Mr. Job Maveke Wambua

Designation: Tutorial Fellow
Contact: +254703138777
School: School of Engineering
Department: Chemical Engineering
Email: job.wambua@dkut.ac.ke

Academic Background

Qualification	Institution	Year
M.Sc. Mechanical Engineering	Dedan Kimathi University of Technology	2022
Erasmus + Exchange Programme	University of Twente, Nl	2021
B.Sc. Mechanical Engineering	Dedan Kimathi University of Technology	2019

Professional Qualifications

Qualification	Institution	Year
Graduate Student Member	ASME	2022
Graduate Engineer	EBK	2021
Graduate Member	IEK	2021

Areas of Expertise

• Materials and Manufacturing
• Optimization of Production Systems and Equipment

Work Experience

• Tutorial Fellow, Chemical Engineering department - Dedan Kimathi University of Technology.
• Graduate Assistant, Chemical Engineering department - Dedan Kimathi University of Technology.
• Intern, Aegis Construction Limited and GAKL.

Other University and National Responsibilities

• Examination Coordinator, Chemical Engineering, DeKUT.

Publications
i) Books and Book Chapters

• Wambua, J. M., Mwema, F.M., Tanya, B., Jen, T. C., & Akinlabi, E.T. (2023). Impact of Milling on Hardness and Optical Transmission of PMMA Lenses: An Experimental and Mathematical Approach. Advances in Material Science and Engineering, Lecture Notes in Mechanical Engineering, 978-981. https://doi.org/10.1007/978-981-19-3307-3_16
• Mwema, F. M., & Wambua, J. M. (2022). Machining of Poly Methyl Methacrylate (PMMA) and Other Polymeric Materials: A Review. Handbook of Research on Advancements in the Processing, Characterization, and Application of Lightweight Materials, 363-379. DOI: 10.4018/978-1-7998-7864-3.ch016

ii) Peer Reviewed Journal Publications

• Wambua, J. M., Mwema, F. M., Tanya, B., & Jen, T. C. (2022). CNC Milling of Medical-Grade PMMA: Optimization of Material Removal Rate and Surface Roughness. International Journal of Manufacturing, Materials, and Mechanical Engineering (IJMMME), 12(1), 1-15. DOI: 10.4018/IJMMME.293226
• Wambua, J. M., Mwema, F. M., Jen, T. C., & Akinlabi, E. T. (2022). Impact of CNC Milling Parameters on Temperature, Surface Roughness, and Chip Formation of General Purpose PMMA. Key Engineering Materials, 924, 49–59. https://doi.org/10.4028/p-1x7oai
• Wambua, J. M., Mwema, F. M., Jen, T. C., Akinlabi, E. T., & Akinlabi, S. A. (2022). Temperature Analysis in Computer Numerical Control Milling of Medical-grade poly (methyl methacrylate). Journal of Process Mechanical Engineering, 1(11), 1–10. https://doi.org/10.1177/09544089221110747
• Shagwira, H., Wambua, J., Mwema, F. M., Akinlabi, E. & Jen, T. C. (2022) Investigation into the effects of milling input parameters on the material removal rate and surface roughness of polypropylene + 80 wt. % quarry dust composite during machining. Advances in Materials and Processing Technologies. https://doi.org/10.1080/2374068X.2022.2045821
• Wambua, J. M., Mwema, F.M., Akinlabi, E.T., & Tanya, B. (2021). Optimization of CNC milling of General-Purpose Poly (methyl Methacrylate). Proceedings of the ASME 2021. International Mechanical Engineering Congress and Exposition. https://doi.org/10.1115/IMECE2021-68756
• Langat, H. K., Mwema, F. M., Keraita, J. N., Akinlabi, E. T., Wambua, J. M., & Jen, T. C. (2021). Optimization of milling parameters of unmodified calotropis procera fiber-reinforced PLA composite (UCPFRPC). Journal of Composites Science, 5(10), 261. https://doi.org/10.3390/jcs5100261

Papers presented in Conferences, Seminars and Workshops

International Mechanical Engineering Congress and Exposition, proceedings of the ASME 2021 (Nov 1-4, 2021).  
Paper presented: Optimization of CNC milling of General-Purpose Poly (methyl Methacrylate).

7^th International Conference on Mechanical, Manufacturing and Plant Engineering (Nov 29th, 2021).
Paper presented: Impact of Milling on Hardness and Optical Transmission of PMMA Lenses: An Experimental and Mathematical Approach.

1^st International Conference on Applied Research and Engineering (ICARAE) (Nov 26th-28th, 2021).
Paper presented: Impact of CNC Milling Parameters on Temperature, Surface Roughness, and Chip Formation of General Purpose PMMA.

13^th International Conference on Materials Processing and Characterization (April 22^nd – 24^th, 2022).
Paper presented: Temperature Analysis in CNC Milling of Medical-Grade Poly (methyl methacrylate) (PMMA).

Research
a) Ongoing/Completed Researches

• Design for Manufacture, Assembly, and Maintenance of an off-grid classroom (EduBOX) (University of Twente) (https://www.utwente.nl/en/humanitarian-engineering/projects/edubox/#introduction)

Research Interests

• Materials and Manufacturing.
• Process Engineering.
• Facility Design and Automation of Production Systems.
• Optimization of Production Systems and Equipment.

Affiliation/Membership to Professional Bodies

• Engineers Board of Kenya - EBK
• The Institution of Engineers of Kenya - IEK
• The American Society of Mechanical Engineers - ASME