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Prof Maina Maringa

Prof Maina Maringa

Proffessor: School of Engineering and Technology
maringa@mut.ac.ke

Google Scholar: https://scholar.google.co.za/citations?user=B3yrAe4AAAAJ&hl=en

Research Gate :https://www.researchgate.net/profile/Maina-Maringa

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ORCID: https://orcid.org/0000-0002-8965-1242

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Biography

Full Professor of Mechanical Engineering, 65 years young, Mechanical Engineer specialised in stress analysis, the deformation behaviour of composite materials, deformation behaviour of dual moduli materials, thermoelasticity, characterisation of the mechanical properties and microstructure of additively manufactured metallics, polymers and their composites with ceramics and carbon nanotubes. A total of 32 years of lecturing and examination at university in 6 different university and tertiary institutions in 4 different countries in the world. Published a total of120 peer reviewed journal articles and international conference papers, 2 postgraduate level texts and 1 undergraduate text both in engineering, 3 novels and 8 book chapters in 7 different engineering books. A total of 7 years experience as an operations and maintenance hydro power engineer. A total out put of 177 included the above together with with read abstracts and publications in professional journals as well as workshop presentations. Avid box Guitar player with 10 produced songs, with a past in rock climbing and mountaineering.

Education

  • Ph.D., at the University of Manchester, UK, 1st September 1996 - 30th October 1998 and 1st April 2000 – 2nd December 2002.
  • Master of Science in Applied Mechanics at the University of Nairobi, Kenya, 1st October 1990 - 30th September 1992. The thesis was submitted in May of 1993 and eventually graduated with no recommended corrections to the thesis in 1995.
  • Bachelor of Science (Upper 2nd class honours) in Mechanical Engineering at the University of Nairobi, Kenya, 1979 – 1983.

Publications

  1. Fredrick M. Mwania, Maina Maringa, and Jacobus van der Walt, “A Review of Polymer Laser Sintering and Fused Deposition Modelling of Polymers”, Advances in Polymer Technology (Wiley), Accepted in December 2024, https://www.wiley.com/en- gb/journals/Advances+in+Polymer+Technology-p-10982329.
  2. Masenate Thamae, Maina Maringa and Willie du Preez, “Determining the Best Hatch Distances for Selective Laser Melted SiC/Ti6Al4V(ELI) Composites of Different Volume Fractions of SiC”, Results in Materials, Accepted in December 2024, https://www.sciencedirect.com/journal/results-in-materials.
  3. Chibinyani, I.; Dzogbewu, T.C.; Maringa, M.; Muiruri, A, “Natural Cellular Structures in Engineering Designs Built via Additive Manufacturing”, Multidiscipline Modeling in Materials and Structures, Accepted in December 2024, https://www.emeraldgrouppublishing.com/journal/mmms.
  4. Fredrick M. Mwania, Jacobus van der Walt, Lorinda Wu, Wayne Koen, and Maina Maringa, “Characterisation of High-Density Polyethylene (DiaPow HDPE HX R) Powder for Use in Additive Manufacturing”, Hindawi Journal of Engineering, https://doi.org/10.1155/1970/6284961.
  5. Fredrick M. Mwania, Maina Maringa, Joseph Nsengimana and Jacobus. G. van der Walt, “Investigating Surfaces, Geometry, and Degree of Fusion of Tracks Printed Using Fused Deposition Modelling to Optimise Process Parameters”, Rapid Prototyping Journal, accepted on 24th May 2024, https://www.emerald.com/insight/publication/issn/1355-2546.
  6. Masenate Thamae, Maina Maringa and Willie du Preez, “A Comparative Analysis of Low and High SiC Volume Fraction Additively Manufactured SiC/Ti6Al4V(ELI) Composites Based on the Best Process Parameters of Laser Power, Scanning Speed and Hatch Distance”, Materials 2024, 17, x. https://doi.org/10.3390/xxxxx.
  7. Tumelo Moloi, Thywill Cephas Dzogbewu, Maina Maringa, Amos Muiruri, “Quasi-Static Tensile Properties of DMLS TI6AL4V(ELI) Specimens Exposed to Two Different Heat Treatment Processes and Tested at Different Elevated Temperatures”, Results in Engineering 22 (2024) 102290, https://doi.org/10.1016/j.rineng.2024.102290.
  8. Moloi, D., Dzogbewu, T.C., Maringa, M., and Muiruri, A.M, “The Effect of Temperature on the Microstructures of Additively Manufactured Ti6Al4V(ELI)”, Iranian Journal of Materials Science and Engineering, https://ijmse.iust.ac.ir/.
  9. Amos Muiruri, Maina Maringa and Willie du Preez, “Effects of Quasi-Static Strain Rate and Temperature on the Microstructural Features of Post-Processed Microstructures of Laser Powder Bed Fusion Ti6Al4V Alloy”, Appl. Sci. 2024, 14, 4261., htts://doi.org/10.3390/app14104261.
  10. Chibinyani, M.I.; Dzogbewu, T.C.; Maringa, M.; Muiruri, A, “Numerical Modelling of Ti6Al4V(ELI) Hierarchical Honeycomb Structures of Order One at the Vertices” Results in Engineering, Volume 21, March 2024, 102024 Elsevier, ScienceDirect. https://doi.org/10.1016/j.rineng.2024.102024.
  11. Fredrick Mwania, Maina Maringa and Jacobus. G. van der Walt, “Determining the Best Exposure Volumetric Energy Density for Diapow PP MF Polypropylene from a Study of its Different Dynamic Mechanical Properties”, Results in Materials, accepted on 23rd of February 2024, in production, https://www.sciencedirect.com/journal/results-in- materials/special-issues.
  12. Chibinyani, I.; Dzogbewu, T.C.; Maringa, M.; Muiruri, A, “Lattice Structures Built with Different Polygon Hollow Shapes: A Review on Their Analytical Modelling and Engineering Applications”, Appl.             sci.2024,14,1582.https://doi.org/10.3390/app14041582.
  13. I. Chibinyani, T.C. Dzogbewu, M. Maringa & A.M. Muiruri, “Numerical modelling of DMLS Ti6Al4V(ELI) polygon structures”, Results in Materials, 20 (2023) 100456, https://www.sciencedirect.com/science/article/pii/S2590048X23000948, Elsevier B. V. Publishers, https://doi.org/10.1016/j.rinma.2023.100456.
  14. Amos Muiruri, Maina Maringa and Willie du Preez, “Numerical Simulation of the Taylor Impact Test for Laser Powder Bed Fusion Parts Based on Microstructural Internal State Variables”, Special Issue on, “The Effect of Microstructure and Strain Rates on the Mechanical Properties of Additively Manufactured Metallics”, Sci. 2023, 13(9), 5372; https://doi.org/10.3390/app13095372.
  15. Fredrick Mulinge Mwania, Maina Maringa and Joseph Nsengimana, “Investigating the effect of process parameters on the degree of fusion of two adjacent tracks produced through fused deposition modelling of acrylonitrile butadiene styrene”, Polymer Testing Volume 121, April 2023, 107981https://doi.org/10.1016/j.polymertesting.2023.107981.
  16. Thinus Van Rhijn, Willie Du Preez, Maina Maringa and Dean Kouprianoff, “An Investigation into the Optimization of the Selective Laser Melting Process Parameters for Ti6Al4V Through Numerical Modelling”, JOM, Vol. 75, No. 3, 2023, https://doi.org/10.1007/s11837-022-05608-2, @ 2022 The Minerals, Metals & Materials
  17. I. Chibinyani, T.C. Dzogbewu, M. Maringa & A.M. Muiruri, “Reduced order topology optimisation of a planar honeycomb defined by a linear elastic Ti6Al4V (ELI) material model”, South African Journal of Industrial Engineering Nov 2022 Vol 33(3), pp 299-317, http://sajie.journals.ac.za/pub/article/view/2808/1183.
  18. Muiruri, A.; Maringa, M.; du Preez, W., “A Theoretical Model of The Flow Properties of Post Processed Direct Metal Laser Sintering Ti6Al4V (ELI)”, Hindawi Advances in Materials Science and Engineering Volume 2022, Article ID 4048913, 12 pages https://doi.org/10.1155/2022/4048913.
  19. Mpho Mashabela, Maina Maringa and Thywill Dzogbewu, “Nanoparticulate reinforced composites and their application to additively manufactured TI6AL4V for use in the aerospace sector”, Manufacturing Rev. Vol, No (2022) © M. Mashabela et al., Published by EDP Sciences 2022, https://doi.org/10.1051/mfreview/2022027.
  20. Muiruri, A.; Maringa, M.; du Preez, W., “Quasi-Static Mechanical Properties of Post- Processed Laser Powder Bed Fusion Ti6Al4V(ELI) Parts under Compressive Loading”, Sci. 2022, 12, 9552. https://doi.org/10.3390/app12199552.
  21. Teboho C. Moleko, Maina Maringa, and Willie B. Du Preez, “Fractography and Microstructural Analysis of As-Built and Stress Relieved DMLS Ti6Al4V (ELI) Plates Subjected to High Velocity Impact”, Hindawi Advances in Materials Science and Engineering, Volume 2022, Article ID 9008244, 14 pages, https://doi.org/10.1155/2022/9008244.
  22. Muiruri, A.; Maringa, M.; du Preez, W., “Statistical Analysis of the Distribution of the Schmid Factor in As-Built and Annealed Parts Produced by Laser Powder Bed Fusion”, Crystals 2022, 12, 743. https://doi.org/10.3390/Cryst12050743.
  23. Muiruri, A.; Maringa, M.; du Preez, W., “Numerical simulation of high strain rate and temperature properties of laser powder bed fusion Ti6Al4V(ELI) determined using a Split Hopkinson Pressure Bar”, Materials 2022, 15, https://doi.org/10.3390/ma15051872.
  24. Fredrick M. Mwania, Maina Maringa and Jacobus. G. van der Walt, “Investigating the recyclability of laser PP CP 75 polypropylene powder in laser powder bed fusion (L-PBF)”, Polymers 2022, 14, 1011. https://doi.org/10.3390/polym14051011.
  25. Muiruri, A.; Maringa, M.; du Preez, W., “Development of VUMAT and VUHARD subroutines for simulating the dynamic mechanical properties of Additively Manufactured Parts”. Materials 2022, 15, 372. https://doi.org/10.3390/ma15010372.
  26. Muiruri, ; Maringa, M.; du Preez, W., “Validation of a Microstructure-Based Model for Predicting the High Strain Rate Flow Properties of Various Forms of Additively Manufactured Ti6Al4V(ELI)   Alloy”.   Metals   2021,   11,   1628. https://doi.org/103390/met11101628.
  27. Muiruri, ; Maringa, M.; du Preez, W., “High Strain Rate Properties of Various Forms of Ti6Al4V(ELI) Produced by Direct Metal Laser Sintering”. Appl. Sci. 2021, 11, 8005. https://doi.org/10.3390/app11178005.
  28. Van Rhijn, T., Du Preez, W., Maringa, M. and Kouprianoff, D., “Towards Predicting Process Parameters for Selective Laser Melting of Titanium Alloys Through the Modelling of Melt Pool Characteristics”, South African Journal of Science and Technology 40 (1), The Conference of the South African Advanced Materials Initiative 2021 (CoSAAMI’21), Vol 40                No               1      (2021), Print                  ISSN       0254-3486 Online ISSN 2222-4173, https://doi.org/10.36303/SATNT.2021cosaami.32, DOI: doi.org/10.36303/SATNT.2021cosaami.32.
  29. AM Andezai, LM Masu and M Maringa, “Effectiveness of Several Theoretical Models in Predicting the Mechanical Properties of Coconut Shell Powder/Epoxy Resin Composites”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 14 Number 7, 2021, pp. 679-686, © International Research Publication House, http://www.irphouse.com/volume/ijertv13n12.htm.
  30. Fredrick M. Mwania, Maina Maringa, Kobus van der Walt, “A review of the techniques used to characterize laser sintering of polymeric powders for use and re-use in additive manufacturing”, Manufacturing 8, 14 (2021) © F.M. Mwania et al., Published by EDP Sciences 2021, https://mfr.edp-open.org, https://doi.org/10.1051/mfreview/2021012.
  31. Fredrick M. Mwania, Maina Maringa, Kobus van der Walt, “Preliminary Testing to Determine the Best Process Parameters for Polymer Laser Sintering of a New Polypropylene Polymeric Material”, Hindawi, Advances in Polymer Technology, vol. 2021, Article ID 6674890, 13 pages, 2021. https://doi.org/10.1155/2021/6674890.
  32. Fredrick Mwania, Maina Maringa, Kobus van der Walt, “Mixing and Reuse of Polymer Laser Sintering Powders to Ensure Homogeneity – A Review”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 13, Number 11, 2020, pp. 3335 – 3341, © International Research Publication House, http://www.irphouse.com/volume/ijertv13n11.htm.
  33. Fredrick Mwania, Maina Maringa, Kobus van der Walt, ” Powder Characterization for a New Selective Laser Sintering Polypropylene Material (Laser PP CP 60) after Single Print Cycle Degradation”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 13, Number 11, 2020, pp. 3342 – 3358, © International Research Publication House, http://www.irphouse.com/volume/ijertv13n11.htm.
  34. Muiruri, A.; Maringa, M.; du Preez, W., “Evaluation of dislocation densities in various microstructures of additively manufactured Ti6Al4V (ELI) by the method of X-Ray diffraction”, Materials 2020, 13(23), 5355; https://doi.org/10.3390/ma13235355 – 26 Nov 2020, https://www.mdpi.com/journal/materials/sections/manufacturing_process and https://www.mdpi.com/journal/materials/special_issues/CPMPAM.
  35. Matsimbi, P. K. Nziu, L. M. Masu, M. Maringa, “Topology Optimization of Automotive Body Structures: A review”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 13 Number 12, 2020, pp. 4282-4296, ©International Research Publication House, http://www.irphouse.com/volume/ijertv13n12.htm.
  36. AM Andezai, LM Masu and M Maringa, “Chemical and Morphological Characterization of Coconut Shell Powder, Epoxy Resin and Coconut Shell Powder/Epoxy Resin Composites”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 13 Number 12, 2020, pp. 4269-4275, © International Research Publication House, http://www.irphouse.com/volume/ijertv13n12.htm.
  37. Matsimbi, P. K. Nziu, L. M. Masu, M. Maringa, “A Review of Methods Used to Determine the Overall Stiffness of Unitary Automotive Body Structures”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 13 Number 12, 2020, pp. 4666-4678, © International Research Publication House, http://www.irphouse.com/volume/ijertv13n12.htm.
  38. AM Andezai, LM Masu and M Maringa, “Experimental Investigation of Dynamic Elastic Properties of Reinforced Coconut Shell Powder/Epoxy Resin Composites”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 13 Number 10, 2020, pp. 2712-2719, © International Research Publication House, http://www.irphouse.com/ijert20/ijertv13n10_25.pdf.
  39. AM Andezai, LM Masu and M Maringa, “Investigating the Mechanical Properties of Reinforced Coconut Shell Powder/Epoxy Resin Composites”, International Journal of Engineering Research and Technology (IJERT) ISSN: 09743154, Volume 13 Number 10, 2020, pp. 2742-2751, © International Research Publication House, http://www.irphouse.com/ijert20/ijertv13n10_29.pdf.
  40. Muiruri, ; Maringa, M.; du Preez, W. Crystallographic Texture Analysis of As-Built and Heat-Treated Ti6Al4V (ELI) Produced by Direct Metal Laser Sintering. Crystals August 2020, 10, 699, https://www.mdpi.com/2073-4352/10/8/699
  41. Fredrick M. Mwania, Maina Maringa, Kobus van der Walt, “A Review of Methods Used to Reduce the Effects of High Temperature Associated with Polyamide 12 and Polypropylene Laser  Sintering”, Hindawi,  Advances  in  Polymer Technology, vol. 2020, Article ID 9497158, 11 pages, August 2020, https://doi.org/10.1155/2020/9497158.
  42. Wilson Webo, Leonard Masu, Maina Maringa, Patrick K. Nziu, “A Review of the State of Research and Utilization of Biomaterials in the Manufacture of Composite Materials To date”, International Journal of Engineering Research and Technology (IJERT). ISSN 0974- 3154, Volume 13, Number 6, 2020, pp. 1065-1075 © International Research Publication House, http://www.irphouse.com/ijert20/ijertv13n6_01.pdf.
  43. Wilson Webo, Maina Maringa, Leonard M. Masu, Patrick K. Nziu, “Nanocellulose and their Composites”, International Journal of Mechanical and Production Engineering Research and Development (IJMPERD) ISSN (P): 2249–6890; ISSN (E): 2249–8001 10, Issue 3, 28th May 2020, 793-800 © TJPRC Pvt. Ltd, http://www.tjprc.org/publishpapers/2-67-1590732580-IJMPERDJUN202071.pdf
  44. Amos Muiruri, Maina Maringa, Willie du Preez and Leonard Masu, “Effect of Stress- Relieving Heat Treatment on the High Strain Rate Dynamic Compressive Properties of Additively Manufactured Ti6Al4V (ELI)”, Metals May 2020, 10, 653; doi:10.3390/met10050653 mdpi.com/journal/metals.
  45. Wilson Webo, Leonard Masu and Maina Maringa, “The Morphology and Thermal Behaviours of Treated and Untreated Sisal Fibre-Epoxy Resin Composites”, International Journal of Mechanical and Production Engineering Research and Development (IJMPERD) ISSN(P): 2249–6890; ISSN(E): 2249–8001, 10, Issue 2, Apr 2020, 1285–1294, Paper Id.: IJMPERDAPR2020123,https://issuu.com/tjprc/docs/2-67-1587634890- 123.ijmperdapr2020123.
  46. Wilson Webo Maina Maringa and Leonard Masu, “The Combined Effect of Mercerisation, Silane Treatment and Acid Hydrolysis on the Mechanical Properties of Sisal Fibre/Epoxy Resin Composites”, MRS Advances @ 2020, Materials Research Society, DOI: 10.1557/adv.2020.122, Published online by Cambridge University Press: 20 February 2020, pp. 1-9, https://www.cambridge.org/core/journals/mrs-advances/firstview.
  47. Wilson Webo Maina Maringa and Leonard Masu, “The Tensile and Flexural Properties of Treated and Untreated Sisal Fibre-Epoxy Resin Composites”, International Journal of Mechanical & Mechatronics Engineering IJMME-IJENS, ISSN: 2077-124X (Online) 2227-2771 (Print), Volume 19, Issue 6, pp 27 – 40, December 2019, http://ijens.org/Vol_19_I_06/191006-2727-IJMME-IJENS.pdf.
  48. Amos Muiruri, Maina Maringa, Willie du Preez & Leonard Masu, “Effects of Stress- Relieving Heat Treatment on Impact Toughness of Direct Metal Laser Sintering (DMLS)- Produced Ti6Al4V (ELI) Parts”, The Journal of Minerals, Metals & Materials Society (TMS), ISSN 1047-4838,      DOI                        1007/s11837-019-03862-5, https://doi.org/10.1007/s11837-019-03862-5 © 2019 The Minerals, Metals & Materials Society.
  49. B. Malefane, W. B. du Preez, M. Maringa, “Tensile and High Cycle Fatigue Properties of Annealed Ti6Al4V (ELI) Specimens Produced by Direct Metal Laser Sintering”, South African Journal of Industrial Engineering November 2018 Vol 29(3) Special Edition, pp 299-311, DOI: https://doi.org/10.7166/29-3-2077, http://sajie.journals.ac.za/pub/article/view/2077/886.
  50. Amos Mwangi Muiruri, M Maringa, WB du Preez, LM Masu, “Variation of Impact Toughness of As-Built DMLS Ti6Al4V (ELI) Specimens With Temperature”, South African Journal of Industrial Engineering November 2018 Vol 29(3) Special Edition, pp 284-298, DOI: https://doi.org/10.7166/29-3-2077, http://sajie.journals.ac.za/pub/article/view/2076/885.
  51. Wilson Webo, Leonard Masu and Maina Maringa, “The Impact Toughness and Hardness of Treated and Untreated Sisal Fibre-Epoxy Resin Composites”, Advances in Materials Science and Engineering, Volume 2018, Article ID 8234106, 10 pages, https://doi.org/10.1155/2018/8234106.
  52. B. Malefane, W. B. du Preez, M. Maringa, “High Cycle Fatigue Properties of As-Built Ti6Al4V (ELI) Produced by Direct Metal Laser Sintering”, South African Journal of Industrial Engineering November 2017 Vol 28(3) Special Edition, pp 188-199, DOI: https://doi.org/10.7166/28-3-186, http://sajie.journals.ac.za/pub/article/view/1861/813.
  53. Maringa M., “A Semi-Empirical Method for Determining the Averaged Orientation of Reinforcing Fibre in Fibre Reinforced Composites”, Journal of Sustainable Research in Engineering Vol. 3 (1) 2016, 16-21, jkuat-sri.com/ojs/index.php/sri/index.
  54. Maringa M. and Masu L. M., “Analytical Modelling of Transverse Strain and Stress in a Fibre-Matrix Element Using the Halpin-Tsai Semi-Empirical Equations”, The Kenya Journal of Mechanical Engineering (KJME), Vol. 9. No. 1, April 2016, pp 17–45, http://www.technoacajournals.com/KJMEhomepage.html.
  55. Maringa M. and Masu L. M., “Analytical Modelling of Transverse Strain and Stress in a Fibre-Matrix Element Using the Reuss Rule”, The Kenya Journal of Mechanical Engineering, Vol. 9. No. 1, April 2016, pp 1–16, http://www.technoacajournals.com/KJMEhomepage.html.
  56. Maringa M. and Masu L. M., “The effects of different fibre geometries on the transverse matrix strain magnification and fibre strain reduction in uniaxially aligned continuous fibre-reinforced composites’”, 18th February 2016, Journal of Composite Materials 0(0) 1- 12, DOI: 10.177/0021998316631701 sagepub.
  57. Maringa and Maringa P. M., “Quality Assurance Systems of Rwandan TVET: Training Standards Anchors in Ecole Technique Officiels (ETOs) and Agroveternaires (EAVEs)”, The African Journal of Technical and Vocational Education Training (Afritvet), http://www.technoacajournals.com/AfriTVEThomepage.html, Vol 2(1) 2015.
  58. Maringa M. and Maringa P. M., “Effectiveness of Rwandan TVET: Trainer Competence and Motivation in the Ecole Technique Officiels and Agroveternaire”, The African Journal of Technical and Vocational Education Training (Afritvet), http://www.technoacajournals.com/AfriTVEThomepage.html, Vol 2(1) 2015.
  59. Maringa M. and Masu L. M., “Matrix and Fibre Stress and Strain magnification Using Strain Energy Equivalence and the Halpin-Tsai Equations”, Journal of Reinforced Plastic and Composites,                 2015,Vol 34(13)1059–1074, http://jrp.sagepub.com/content/early/2015/05/22/0731684415587730 .
  60. Maringa M., “Proposed Interventions for the Technical Industrial and Vocational Enterprise Training (TIVET) Sector in Kenya”, Journal of Technical Education and Training, 6 No. 1, June 2014, http://penerbit.uthm.edu.my/ojs/index.php/JTET. Rated 2nd amongst the top 12 papers published in JTET in the year 2014, https://typeset.io/journals/journal-of-technical-education-and-training-wwlahnz8/2014.
  61. Maringa and Maringa P. M., “Setting up a Model College of Technology in Kigali City – The Kicukiro College of Technology (KCoT)”, Journal of Inquiry in Design Pedagogy, Volume 1 No. 1 2013, pp 106 – 154, http://www.fimen.net/UrbanDialectics.html; http://www.urbanalgorisms.net.
  62. Maringa M. and Miano P. J., “A Proposed State of Art Automation Training Centre of Excellence for TVET that is Designed to Meet the Needs of Identified Programmes”, Journal of Inquiry in Design Pedagogy, Volume 1 No. 1 2013, pp 70 – 88, http://www.fimen.net/UrbanDialectics.html; http://www.urbanalgorisms.net.
  63. Maringa P. M., and Maringa M., “Quality of TVET in Rwanda With Respect to Gender and Enrolment Factors of Access and Equal Opportunity in Ecole Technique Officiels (ETOs) and Agroveternaires (EAVEs)”, Global Journal of Engineering Education, Volume No. 3, 2013, pp 177 – 185, @ WIETE, 2013.
  64. Maringa P. , and Maringa M., “Quality of TVET in Rwanda in Relation to age, Ownership, Location and Specialisation Factors of Access and Equal Opportunity in Ecole Technique Officiels (ETOs) and Agroveternaires (EAVEs)”, Global Journal of Engineering Education, Volume 15. No. 2, 2013, pp 118 – 125, @ WIETE, 2013.
  65. Maringa M., “Developing Analytical Solutions for the Elastic Deformation of Equilateral Triangular Cross-Section Dual Moduli Beams in Bending, for use With Two-Gauge-Point Strain Measurements”, The Zambia Engineer, June 2012, ISSN 1608-6678.
  66. Maringa , “Analytical Solutions and Experimentation for Separating the Elastic Moduli and Bending Moments of Dual Moduli Materials in 4-Point Bending”, accepted for publication in the Kenya Journal of Mechanical Engineering (KJME), ISSN 1815-0284, Vol. 7 No. 2, September 2011, http:///www.technoacajournals.com/KJMEhomepage.html.
  67. Maina Maringa and Mwangi Maringa, “A Quality Indicator Guided Review of TVET in Selected Ecole Technique Officiel (ETOS) and Ecole Agroveternaire (EAVS) in Rwanda”, The African Journal of Technical and Vocational Educational Training, Vol. 1 1,April 2011, pp.1–21, http:///www.technoacajournals.com/AfriTVEThompage.html.
  68. Maina Maringa and Mwangi Maringa, “Improvement of Technical Education in Public Technical Secondary Schools (Ecole Technique Officiel – ETOs) in RWANDA”, Journal of Technical Education and Training (JTET), Vol.2 Issue 1, 2010, pp. 95 – 121, http://penerbit.uthm.edu.my/ejournal/index.php/journal/jtet/79.
  69. Maringa M. And Injairu Galo, “A Study of the Elastic Behaviour of Some Natural Materials Under Applied Bending Loads”, The Journal of Civil Engineering Research and Practice, Vol. 7 No. 1, April 2010, pp. 13 – 46, ISSN 1729-5769, http://www.ajol.info/journals/jcerp.
  70. Kuria J. K. and Maringa M. “Developing Simple Procedures for Selecting Sizing, Scheduling of Materials and Costing of Small Bio –Gas Units”, The International Journal for Service Learning, Vol. 3 No. 1, April 2008, pp. 9 – 40, http://library.queensu.ca/ojs/index.php/ijsle/index.
  71. Maringa M., “A Semi-Empirical Method For Determining the Averaged Effective Orientation of Reinforcing Glass Fibre in SMCR26 Sheets”, The Kenya Journal of Mechanical Engineering (KJME), 2 No. 1, April 2006, pp. 23 – 46, ISSN 1815-0284, http:///www.technoacajournals.com/KJMEhomepage.html.
  72. Maringa , “Determination of the Mechanical Properties of SMC Using the Uniaxial Quasi-Static Tensile Test”, The Kenya Journal of Mechanical Engineering (KJME), Vol.1 No.1, April 2005,pp. 21 – 36,      ISSN 1815 – 0284,http:///www.technoacajournals.com/KJMEhomepage.html.
  73. Maringa M., “The Detection and Monitoring of Fatigue Damage in SMCR26 Specimen Using Spate for Varying Mean Stresses: A Qualitative Approach “The Zambia Engineer, Vol. 38 no. 2 of 2005, ISSN 1608-6678.
  74. Maringa M., “Dimensioning of Dog Bone Specimens and Numerical Analysis of the Effects of Different Fillet Radii, Clamp Area and Pinhole Loading on the Stresses in Such Specimens”, African Journal of Science and Technology (AJST), 5 No. 2, December 2004, pp. 60 – 72, ISSN 1607-9949.
  75. Maringa M., “Determination of the Elastic Moduli of SMCR26 Using Small Amplitude Transverse Vibrations”, East African Journal of Engineering, 7 no. 2, December 2004, 51-62, ISSN 0856-499X.
  76. Maringa , “The Tension-Tension Dynamic Test and its Use in Determining the Complex Elastic Modulus and Complex Poisson’s Ratio of SMCR26 Specimens”, The Zambia Engineer, Vol. 37 No. 2, July / August 2004, pp. 16 – 26, ISSN 1608-6678.
  77. Maringa , “The Tension-Tension Dynamic Test and its Use in Determining the Complex Elastic Modulus and Complex Poisson’s Ratio of SMCR26 Specimens”, The Zambia Engineer, Vol. 37 No. 2, July / August 2004, pp. 16 – 26, ISSN 1608-6678.
  78. Maringa M., “Tension-Tension Cyclic Dynamic Testing of SMCR26”, East African Journal of Engineering, Vol. 7 no. 1, July 2004, pp. 93-118, ISSN 0856-499X.
  79. Maringa M., “Use Of Thermoelastic Measurements For The Detection Of Damage In SMCR26 Specimens And Monitoring Of Its Accumulation For Applied Constant Mean Stresses And Varying Stress Amplitudes – A Qualitative Approach”, The Journal of Agriculture Science and Technology of Jomo Kenyatta University of Agriculture and Technology, accepted for Publication on 26th of May 2004 in Vol. 6 no. 2 of 2004 ISSN 1561-7645.
  80. Maringa M., “Use of the Ultrasonic Through Thickness Test in Determining the Out-of- Plane Stiffness For SMCR26 Specimens”, The Journal of Agriculture Science and Technology of Jomo Kenyatta University of Agriculture and Technology, accepted for Publication on 26th of May 2004 Vol. 6 No. 1, pp. 80 – 108, ISSN 1561-7645.
  81. Maringa M., “Through Thickness Ultrasonic Testing and its Use in Characterising the Mechanical Properties of Various Types of Limestone”, Journal of Civil Engineering, JKUAT, Vol. 8, March 2003, pp. 99-110, ISSN 1562-6121. Abstracted on AJOL: http://www.ajol.info/journals/jcerp.
  82. Maringa M., Mutuli S. M. and Kavishe F. P. L., “An Investigation of the Mechanical Properties of Sisal Fibre and Loofah Matt and their Composites with Epoxy Resin”, The Journal of Agriculture Science and Technology of Jomo Kenyatta University of Agriculture and Technology in their 1 No. 1 of October 1997, pp.53 – 65, ISSN 1561- 7645.
  83. Maringa , “Multiple Matrix Fracture and The Poisson’s Ratios effects in Longitudinally Aligned Continuous Sisal Fibre Reinforced Epoxy Resin Composites”. The East African Journal of Engineering, Vol. 2 No.1, October 1996, pp. 41-58, ISSN 0856-499X.
  84. Maringa M., Mutuli S. M. and Kavishe F. P. L., “Determination of the Interfacial Bond Strength of Sisal Fibre Reinforced Epoxy Composites”, The East African Journal of Engineering, Vol. 2 No.1 October 1996, pp. 30 – 41, ISSN 0856-499X.
  85. Maringa M., “DACUM/SCID Demand-Led and Competency-Based Curricula Development Tools”, Association of Engineering Students Magazine, The Kenya Polytechnic University College, 2012.
  86. Maringa , “A Concept Note on Investment in Technology for Production to Support the Emergence and Sustenance of Indigenous Manufacture in the Country”, The Kenya Engineer, March/April 2014.
  87. Maringa , “Formation of a University”, The Kenya Engineer, May/June, 2013.
  88. Maje Phasha, Hein Möller, Joseph Moema, Willie du Preez, and Maringa Maina” Structural and elastic properties of binary FCC Pt-Rh alloys – a first-principles study”, Rapid Product Development Association of South African (RAPDASA)-RobMech- PRASA-AMI) 24th Annual International Conference, 30th October – 2nd November 2023, CSIR International Convention Centre in Pretoria, South Africa, MATEC Web of Conference, Volume 388, 01002(2023), https://doi.org/10.1051/matecconf/202338801002.
  89. Munashe Chibinyani, Thywill Cephas Dzogbewu, Maina Maringa, and Amos Muiruri, “A review of the types and tessellation of lattice structures, their effectiveness and limitations in mimicking natural cellular structures”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA-AMI) 24th Annual International Conference, 30th October – 2nd November 2023, CSIR International Convention Centre in Pretoria, South Africa, MATEC Web of Conferences, Volume 388, 06008 (2023), https://doi.org/10.1051/matecconf/202338806008.
  90. Amos Muiruri, Maina Maringa, and Willie du Preez, “X-ray diffraction profile analysis of martensitic Ti6Al4V(ELI) parts produced by laser powder bed fusion”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA-AMI) 24th Annual International Conference, 30th October – 2nd November 2023, CSIR International Convention Centre in Pretoria, South Africa, MATEC Web of Conferences, Volume 388, 10003 (2023),https://doi.org/10.1051/matecconf/202338810003.
  91. Willie du Preez and Maina Maringa, “Accelerating the qualification of laser powder bed fusion Ti6Al4V(ELI) components through modelling and simulation”, 15th World Conference on Titanium (Ti-2023), 12th – 16th of June 2023, accepted and presented, https://www.iom3.org/static/a4569e6f-d9f3-42f4-aa7a9992489e19af/Ti-2023- Sponsorship-opportunities.pdf
  92. Fredrick Mwania, Maina Maringa and Jacobus van der Walt, “Analytical and Numerical Modelling of Laser Powder Bed Fusion (L-PBF) of Polymers – A Review”. Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA-CoSAAMI) 23rd Annual International Conference, 9th – 11th of November 2022, Lord Charles Hotel, Somerset West, South Africa, https://site.rapdasa.org/annual-conference/, 2022 RAPDASA-RobMech-PRASA-CoSAAMI Conference, MATEC Web of Conferences, 370, 06001 (2022), https://doi.org/10.1051/matecconf/202237006001, MATEC Web of
  93. Masenate Thamae, Maina Maringa and Willie du Preez, “Influence of selective laser melting process parameters on the characteristics of SiC/Ti6Al4V(ELI) single tracks”, Rapid Product Development Association of South African (RAPDASA)-RobMech- PRASA-CoSAAMI) 23rd Annual International Conference, 9th – 11th of November 2022, Lord Charles Hotel, Somerset West, South Africa, https://site.rapdasa.org/annual- conference/, MATEC Web of Conferences, 370, 01003 (2022), https://doi.org/10.1051/matecconf/202237006001, MATEC Web of Conferences.
  94. Fredrick M Mwania, Maina Maringa and Kobus Van der Walt, “Fractography of Polypropylene Laser Sintered Tensile Test Specimens”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA) 22nd Annual International Conference, 3rd – 5th November 2021, CSIR International Convention Centre, Pretoria, South Africa, https://site.rapdasa.org/annual-conference/. Accepted for publication in the IEEE Xplore edition of March 2022.
  95. Masenate Thamae, Maina Maringa and B. du Preez, “Parameters Affecting the Mixing of Powders and the Results of Mixing SiC and Ti6Al4V(ELI) Powders”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA) 22nd Annual International Conference, 3rd – 5th November 2021, CSIR International Convention Centre, Pretoria, South Africa, https://site.rapdasa.org/annual-conference/. Accepted for publication in the IEEE Xplore edition of March 2022.
  96. C. Moleko, M. Maringa and W. B. du Preez, “Comparative Analysis of the High Velocity Impact Behaviour of Wrought Ti6Al4V and As-Built and Stress Relieved DMLS Ti6Al4V (ELI)”, Rapid Product Development Association of South African (RAPDASA)- RobMech-PRASA) 22nd Annual International Conference, Pre-Conference Seminar on Design and Additive Manufacturing of Titanium Parts, 02-05 November 2021, Hosted by the Central University of Technology, Free State (CUT), Venue: CSIR International Convention Centre, Pretoria Tuesday 2nd November 2021, Jappie van Lill Hall, Central University of Technology, free State, South Africa, https://site.rapdasa.org/pre-conference- seminar/. Accepted for publication in the IEEE Xplore edition of March 2022.
  97. Mpho Mashabela, Maina Maringa and Thywill Dzogbewu, “Examining Various Mixing Techniques and their Effect on the Uniform Dispersion of Carbon Nanotubes within a Ti6Al4V (ELI) Matrix”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA) 22nd Annual International Conference, Pre-Conference Seminar on Design and Additive Manufacturing of Titanium Parts, 02-05 November 2021, Hosted by the Central University of Technology, Free State (CUT), Venue: CSIR International Convention Centre, Pretoria Tuesday 2nd November 2021, Jappie van Lill Hall, Central University of Technology, free State, South Africa, https://site.rapdasa.org/pre-conference-seminar/. Accepted for publication in the IEEE Xplore edition of March 2022.
  98. Thinus van Rhijn, Willie du Preez, Maina Maringa and Dean Kouprianoff, “Towards predicting process parameters for selective laser melting of titanium alloys through the modelling of melt pool characteristics”, The Conference of the South African Advanced Materials Initiative 2021 (CoSAAMI’21), Vol 40 No 1 (2021), Print ISSN 0254-3486 Online ISSN 2222-4173, https://doi.org/10.36303/SATNT.2021cosaami.32.
  99. C. Moleko, M. Maringa and W. B. du Preez, “Justification for High Velocity Impact Testing Using As-Built And Stress Relieved DMLS TI6AL4V (ELI) Based on Results For Wrought TI6AL4V ”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  100. Seleso, M. Maringa and W. B. du Preez, “Designing a Ceramic Particulate Composite to Enhance Selected Mechanical Properties of TI6AL4V”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central University of Technology, free State, 3rd November 2020, South Africa, https://site.rapdasa.org/pre-conference-seminar/.
  101. L. Mokhali, M. Maringa and J. Nsengimana, “Effects of Process Parameters on the Mechanical Properties of Fused Deposition Modelling of Polymeric Composites: A Review”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  102. T. C. Moleko, M. Maringa and W. B. du Preez, “Wrought Ti-6Al-4V as an Alloy for High Velocity Impact Applications”, Rapid Product Development Association of South African (RAPDASA) 20th Annual International Conference, Pre-conference Seminar on Additive Manufacturing and Design of Titanium Parts, CUT, Japie van Lill Auditorium, Bloemfontein, Free State, Central University of Technology, 5th November 2019, South Africa, https://site.rapdasa.org/pre-conference-seminar/.
  103. M. Mwania, M. Maringa and Kobus van der Walt, “Recycling of Polypropylene Powder Used in Laser Sinter Additive Manufacturing – A Literature Review”, Rapid Product Development Association of South African (RAPDASA) 20th Annual International Conference, Pre-conference Seminar on Additive Manufacturing and Design of Titanium Parts, CUT, Japie van Lill Auditorium, Bloemfontein, Free State, Central University of Technology, 5th November 2019, South Africa, https://site.rapdasa.org/pre- conference-seminar/.
  104. M. Muiruri, M. Maringa and W. B. du Preez, “Constitutive Numerical Modelling in Additive Manufacturing: Challenges in Predicting the Yield Strength and Flow Properties of Alloys”, Rapid Product Development Association of South African (RAPDASA) 20th Annual International Conference, Emoya Estate, Bloemfontein, Free State, Central University of Technology, 6th – 8th November 2019, South Africa, https://site.rapdasa.org/pre-conference-seminar/
  105. Amos Mwangi Muiruri, M Maringa, WB du Preez, LM Masu, “Effects of Stress Relieving Heat Treatment on High Strain Rate Tensile Properties of Direct Metal laser Sintered Ti6Al4V (ELI) Parts”, Proceedings of the International Conference on Competitive Manufacturing (COMA) 2019, 30th January 2019 – 1st February 2019, Stellenbosch, South Africa, pp 174 – 180, ISBN: 978-0-7972-1779-9.
  106. Wilson Webo, Leonard Masu, Maina Maringa, “The Compression and Shear Mechanical Properties of Treated and Untreated Sisal Fibre-Epoxy Resin Composites”, 11th South African Conference on Computational and Applied Mechanics, 2018, pp 234 – 245, ISBN Number 978-1-77012-143-0, http://conferences.academicjournals.org/cat/physical- sciences/11th-south-african-conference-on-computational-and-applied-mechanics.
  107. Maina Maringa, “Theoretical Evaluation of the Limitations of the Predictive Capacity of Newtonian Fluid Theories on the Shear Moduli Ratio (Gc/Gm) of Particulate Composites”, 11th South African Conference on Computational and Applied Mechanics, 2018, pp 970–979, ISBN Number  978-1-77012-143-0,
    http://conferences.academicjournals.org/cat/physical-sciences/11th-south-african- conference-on-computational-and-applied-mechanics.
  108. Maina Maringa, “Improving the Predictive Capacity of Newtonian Fluid Theories on the Elastic Moduli Ratio (Ec/Em) of Particulate Composites”, 11th South African Conference on Computational and Applied Mechanics, 2018, pp 574 – 587, ISBN Number 978-1-77012-143-0, http://conferences.academicjournals.org/cat/physical-sciences/11th-south- african-conference-on-computational-and-applied-mechanics.
  109. Maina Maringa and Masu L. M., “Variation of the Transverse Strain Matrix/Fibre Magnification/Reduction and Stress Ratio with the inter-fibre spacing/fibre radius (s/r) ratio”, 11th South African Conference on Computational and Applied Mechanics, 2018, pp 887 – 899, ISBN Number 978-1-77012-143-0,http://conferences.academicjournals.org/cat/physical-sciences/11th-south-african- conference-on-computational-and-applied-mechanics
  110. A M Muiruri, M Maringa, W B du Preez & LM Masu, “Dynamic behaviour of direct metal laser sintered Ti-6Ai-4V (ELI) under high strain rates in compression loading”, 18th RAPDSA conference, pre-conference seminar on additive manufacturing of titanium parts, Durban International Convention Centre Durban, Kwazulu Natal, 8 – 10 November 2017, Republic of South Africa, http://www.rapdasa.org/seminar.aspx.
  111. Maringa M and Masu M. “Developing analytical solutions for transverse, matrix strain magnification and fibre strain reduction in uniaxially aligned continuous fibre reinforced composites, based on the principle of conservation of strain energy and the Reuss rule”, 2017 Global Conference on Polymer and Composite Materials (PCM 2017) IOP Publishing, IOP Conf. Series: Materials Science and Engineering 213 (2017) 012004 doi:10.1088/1757-899X/213/1/012004, http://iopscience.iop.org/article/10.1088/1757- 899X/213/1/012004/pdf
  112. B. Malefane, W. B. du Preez, M. Maringa, “Testing for homogeneity and orthotropy of Ti6Al4V (ELI) parts built by Direct Metal Laser Sintering”, Rapid Product Development Association of South African (RAPDASA) 17th Annual International Conference, Pre-conference Seminar on Additive Manufacturing of Titanium Parts, VUT Southern Gauteng Technology and Science Park, 2-4 November 2016, South Africa, http://conferences.sun.ac.za/index.php/rapdasa17/rapdasa17.
  113. Maringa M., “A Semi-Empirical Method for Determining the Averaged Orientation of Reinforcing Fibre in Fibre Reinforced Composites”, Proceedings of the 2016 Annual Conference on Sustainable Research and Innovation, 4 – 6 May 2016, http://sri.jkuat.ac.ke/ojs/index.php/proceedings/issue/view/17.
  114. Maina Maringa and Peter Miano, “A Proposed State-of-Art Automation Training Centre of Excellence for TVET that is Designed to Meet the Needs of Identified Programs”, Commonwealth Association of Polytechnics in African (CAPA) International Conference on “TVET Institutions as a Platform for Industrial Development in Africa”, Mombasa, Kenya, 29th April – 4th of May 2012.
  115. Maina Maringa and Mwangi Maringa, “A 4-Year Strategic Framework For Technical Education In Rwanda”, Commonwealth Association of Polytechnics in African (CAPA) International Conference on “TVET Institutions as a Platform for Industrial Development in Africa”, Mombasa, Kenya, 29th April – 4th of May 2012.
  116. Maina Maringa and Mwangi Maringa, “Setting up A Model College of Technology in Kigali City – The Kicukiro College of Technology (KCoT)”, Commonwealth Association of Polytechnics in African (CAPA) International Conference on “TVET Institutions as a Platform for Industrial Development in Africa”, Mombasa, Kenya, 29th April – 4th of May 2012.
  117. Maringa M., “Raising The Value Of Human Resources In Africa As A Catalyst For The Emergence And Sustenance Of A Culture For Developing Solutions To Perceived and Projected Needs”, Africa Brain Gain Conference, 19th – 22nd December 2005, Nairobi, KENYA
  118. Maringa M., “Significance Of The Poisson’s Ratio Effect On The Volumetric Strains Of Various Isotropic Engineering Component Shapes”, 16th Annual International Conference of the Kenya Society of Agricultural Engineers, 8th – 10th of December 2004, Nairobi, KENYA
  119. Maringa M. and Injairu C. G., “The 3-Point Bend Test and Its Use in Verifying the Presence or Absence of Dual Moduli Properties in Naturally Occurring Materials”, presented at the Annual WAITRO, international congress in Nairobi, KENYA on the 7th of September 2004.
  120. Maringa M., “Use of Ultrasonic Waves in the Determination of the Mechanical Properties of Isotropic and Anisotropic Materials”, 15th Annual International Conference of the Kenya Society for Agricultural Engineers, 27th – 28th November 2003, Nairobi, KENYA.
  121. Maringa M, “Determination of The Elastic Moduli of Various Types of Limestone Using Ultrasonic Testing”, International Civil Engineering Conference on Sustainable Development in the 21st Century, 12th – 16th August 2003, Nairobi, KENYA, pp. 89-94.
  122. Maringa M., “Developing and Transforming Intellectual Property into Technology – Education and Funding Challenges”, Institution of Engineers of Kenya Conference on Challenges to Industrialisation, 23rd – 25th April 2003, Nairobi, KENYA, pp. 83-92.
  123. Maringa and Oyadiji S. O., “Use of Thermoelastic Measurements for the Detection of Damage and its Accumulation”, The 73rd Annual Shock and Vibration Symposium, 18th– 22nd November 2002, Newport, Maryland, USA.
  124. Maringa M. and Oyadiji S. O., “Tension-Tension Cyclic Dynamic Testing of SMC Specimens”, The 73rd Annual Shock and Vibration Symposium, 18–22 November 2002, Newport, Maryland, USA.
  125. Maringa M. and Oyadiji S. O., “Detection of Damage in SMC Using Vibration Induced Thermal Emission”, The 5th International Conference on Vibration and Engineering, 18- 20 September 2002, Nanjing, China (Accepted for publication on 28th June 2002), 667 671.
  126. Tumelo Moloi, Thywill C. Dzogbewu, Maina Maringa, and Amos M. Muiruri, “Quasi- Static Tensile Properties of LPBF Ti6Al4V(ELI) Parts Exposed to Two Different Heat Treatment Processes and Tested at Different Elevated Temperatures”, The Sustainable Research and Innovation Conference, College of Engineering and Technology, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Juja, 4th – 5th October 2023, https://sri.jkuat.ac.ke/ (accepted and presented).
  127. I. Chibinyani, T.C. Dzogbewu, M. Maringa, A.M. Muiruri, “A Review of the Types, Occurrence, and Applications of Cellular Structures in Nature”, The Sustainable Research and Innovation Conference, College of Engineering and Technology, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Juja, 4th – 5th October 2023, https://sri.jkuat.ac.ke/ (accepted and presented).
  128. Mashabela, M. Maringa, T.C. Dzogbewu, “Investigating the effect methanol and ethanol have on the dispersion of carbon nanotubes in Ti6Al4V(ELI)”, The Sustainable Research and Innovation Conference, College of Engineering and Technology, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Juja, 4th – 5th October 2023, https://sri.jkuat.ac.ke/ (accepted and presented).
  129. Thamae, M. Maringa, W. B. du Preez, “A Comparative Analysis of Low and High SiC Volume Fraction Additively Manufactured SiC/Ti6Al4V(ELI) Composites Based on the Best Process Parameters of Laser Power, Scanning Speed and Hatch Distance”, The Sustainable Research and Innovation Conference, College of Engineering and Technology, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Juja, 4th – 5th October 2023, https://sri.jkuat.ac.ke/ (accepted and presented).
  130. M. Mwania, M. Maringa, J. G. van der Walt, “A Review of Polymer Laser Sintering and Fused Deposition Modelling of Polymers”, The Sustainable Research and Innovation Conference, College of Engineering and Technology, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Juja, 4th – 5th October 2023, https://sri.jkuat.ac.ke/ (accepted and presented).
  131. Muiruri M., Maringa M. and du Preez. W.B, “Influence of Macro-Residual Stresses on the Impact and Compressive Behaviour, as well as Failure Characteristics of Parts Produced by Laser Powder Bed Fusion”, The Sustainable Research and Innovation Conference, College of Engineering and Technology, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Juja, 4th – 5th October 2023, https://sri.jkuat.ac.ke/ (accepted and presented).
  132. D. Moloi, T.C. Dzogbewu, M. Maringa & A. Muiruri, “Investigating the fatigue life of high temperature annealed DMLS Ti6Al4V(ELI) at elevated temperatures”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA- AMI) 24th Annual International Conference, 30th October – 2nd November 2023, CSIR International Convention Centre in Pretoria, South Africa, https://site.rapdasa.org/annual- conference/.
  133. Fredrick Mwania, Maina Maringa, and Jacobus van der Walt, “Investigating the Impact of Volumetric Laser Energy Density on the Dynamic Mechanical Properties of Diapow PP MF Polypropylene Parts Printed Using Laser-Powder Bed Fusion Additive Manufacturing Technique to Determine the Best Exposure Parameter”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA-AMI) 24th Annual International Conference, 30th October – 2nd November 2023, CSIR International Convention Centre in Pretoria, South Africa, https://site.rapdasa.org/annual-conference/.
  134. Maina Maringa, “Theoretical Testing For Dispersion In Transversely And Longitudinally Vibrating Beams Of Short, Randomly Oriented Glass Fibre Reinforced Dough And Sheet Moulding Compounds”, The 6th Annual International Virtual Conference under the theme, “Research, Innovation & Technology for Sustainable Development”, held on March 22-23, 2023, Kirinyaga University, Kenya
  135. Tumelo D. Moloi, Thywill C. Dzogbewu, Maina Maringa and Amos M. Muiruri, “The Effect Of Soaking Temperature On The Microstructures Of Additively Manufactured Stress Relieved, As Well As Stress Relieved And High Temperature Annealed Ti6Al4V(ELI)”, The 6th Annual International Virtual Conference under the theme, “Research, Innovation & Technology for Sustainable Development”, held on March 22- 23, 2023, Kirinyaga University, Kenya.
  136. Maina Maringa, Willie B. du Preez and Amos Muiruri, “Cases of and the Effects of Different Strain Rates on the Deformation-Behaviour and Microstructure of Ti6Al4V and other Metallics”, The 6th Annual International Virtual Conference under the theme, “Research, Innovation & Technology for Sustainable Development”, held on March 22- 23, 2023, Kirinyaga University, Kenya.
  137. Teboho Moleko, Maina Maringa and Willie du Preez, “Fractography and Microstructural Analysis of Wrought Ti6AL4V Plates Subjected to High Velocity Impact”, Rapid Product Development Association of South African (RAPDASA)-RobMech-PRASA- CoSAAMI) 23rd Annual International Conference, 9th – 11th of November 2022, Lord Charles Hotel, Somerset West, South Africa, https://site.rapdasa.org/annual-conference/. Accepted for presentation.
  138. Munashe Ignatius Chibinyani, Thywill Cephas Dzogbewu and Maina Maringa, “Reduced order topology optimisation of a planar honeycomb defined by a linear elastic Ti6Al4V (ELI) material model”, Rapid Product Development Association of South African(RAPDASA)-RobMech-PRASA-CoSAAMI) 23rd Annual International Conference, 9th – 11th of November 2022, Lord Charles Hotel, Somerset West, South Africa, https://site.rapdasa.org/annual-conference/. Accepted for presentation.
  139. A M Muiruri, M Maringa, W B du Preez, “Theoretical model of the flow properties of post processed direct metal laser sintering Ti6Al4V”, 6th World Congress on Computational Materials Engineering (ICME) 2022, April 24 -28, Hyatt Regency Lake Tahoe, Incline Village, Nevada, USA, tms.org/ICME 2022.
  140. Van Rhijn, S., Du Preez, W. B. and Maringa, M. (2020), “Towards predicting process parameters for selective laser melting of titanium alloys through modelling of melt pool characteristics”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  141. M. Muiruri, M. Maringa and W. B. du Preez, “Crystallographic Texture Analysis of As-Built And Heat Treated TI6AL4V Produced by Direct Metal Laser Sintering”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  142. C. Moleko, M. Maringa and W. B. du Preez, “Fractography and Microstructural Analysis of Wrought TI6AL4V Plates Subjected to High Velocity Impact”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual- conference/.
  143. Mwania, M. Maringa and Kobus van der Walt, “Preliminary Testing to Determine the Best Process Parameters for Selective Laser Sintering of a New Polypropylene Polymeric Material”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  144. Seleso, M. Maringa and W. B. du Preez, “Parameters Affecting the Suitability of Powder Mixtures for Additive Manufacturing of Composites”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 3rd November 2020, South Africa, https://site.rapdasa.org/pre-conference-seminar/.
  145. Mashabela, M. Maringa and T. Dzogbewu, “Nano Particulate Reinforcement of TI6AL4V For Use in The Aerospace Sector: an Overview”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  146. Mashabela, M. Maringa and T. Dzogbewu, “Developing Process Parameters for Direct Metal Laser Sintering of TI6AL4V Matrix, Carbon and Titanium Diboride Nano Particulate Composites”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  147. L. Mokhali, M. Maringa and J. Nsengimana, “Effect of Carbon Fibres on the Physical and Mechanical Characteristics of Polyamide 12 Fused Deposition Modelling Printed Parts”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 4th – 6th November 2020, South Africa, https://site.rapdasa.org/annual-conference/.
  148. S. van Rhijn, W.B. du Preez, M. Maringa & D. Kouprianoff, “Towards Predicting Process Parameters for Selective Laser Melting of Titanium Alloys Through Modelling of Melt Pool Characteristics”, Rapid Product Development Association of South African (RAPDASA) 21st Annual International Conference, Jappie van Lill Hall, Central Central University of Technology, free State, 3rd November 2020, South Africa, https://site.rapdasa.org/pre-conference-seminar/.
  149. M. Mwania, M. Maringa and Kobus van der Walt, “How 3D and 4D Manufacturing Technologies are Driving Societal Transformation Towards Improved Productivity And Efficiency”, 1st Free State Joint Provincial Summit on the Industry 4.0 on the theme, Leveraging the Youth Dividend for the Social-Economic Advancement of the Free State, Free State Provincial Government and the Central University of Technology Bloemfontein, Free State, 28th – 29th November 2019, https://freestate4irsumm.
  150. Wilson Webo, Maina Maringa and Leonard Masu, “The Combined Effect of Mercerisation, Silane Treatment and Acid Hydrolysis on the Mechanical Properties of Sisal Fibre/Epoxy Resin Composites”, 10th International Conference of the African Materials Research Society, Arusha City, Tanzania, 10th – 13th December 2019, https://africanmrs.net/tanzania-2019/.
  151. M. Muiruri, M. Maringa and W. B. du Preez, “Application of Phenomenological Modelling in the Development of a Database for Additively Manufactured Ti6Al4V (ELI): A Review”, 10th International Conference of the African Materials Research Society, Arusha City, Tanzania, 10th – 13th December 2019, https://africanmrs.net/tanzania-2019/.
  152. Mwania, M. Maringa and Kobus van der Walt, “A review of Methods to Ameliorate the Effects of High Temperature on Polymers and in Particular Polypropylene in laser Sinter Additive Manufacturing”, 10th International Conference of the African Materials Research Society, Arusha City, Tanzania, 10th – 13th December 2019, https://africanmrs.net/tanzania-2019/.
  153. B. Malefane, W. B. du Preez, M. Maringa, “Tensile and High Cycle Fatigue Properties of Annealed Ti6Al4V (ELI) Specimens Produced by Direct Metal Laser Sintering”, 19th Annual Conference, Additive manufacturing as a key driver of the 4th industrial revolution, 06-09 November 2018, Protea Parktown, Braamfontein, Johannesburg, https://site.rapdasa.org/past-proceedings-2018/.
  154. B. Malefane, W. B. du Preez, M. Maringa, “High Cycle Fatigue Properties of As-Built Ti6Al4V (ELI) Produced by Direct Metal Laser Sintering”, 18th RAPDSA conference, pre-conference seminar on additive manufacturing of titanium parts, Durban International Convention Centre Durban, Kwazulu Natal, 8 – 10 November 2017, Republic of South Africa, http://www.rapdasa.org/seminar.aspx.