Dr. Fredrick Madaraka Mwema

Position: Senior Lecturer
Email:  fredrick.mwema@dkut.ac.ke
Scopus Profile: https://www.scopus.com/authid/detail.uri?authorId=57201079446
Google Scholar Profile: https://scholar.google.com/citations?user=faNhSMAAAAAJ&hl=en

Academic Qualifications

 Qualification  Institution  Year
 Postdoctoral Research Fellow  University of Johannesburg  2021
 PhD (Mechanical Engineering Science)  University of Johannesburg  2019
 MSc. Mechanical Engineering Jomo Kenyatta University of Agriculture & Technology 2012-2015
 BSc. Mechanical Engineering Jomo Kenyatta University of Agriculture & Technology 2006-2010

Professional Qualifications

 Qualification  Institution  Year
 Graduate Engineer IEK 2021
 Member ASME 2018
 Graduate Engineer EBK 2011

Areas of Expertise

Mechanical engineering; Materials & Manufacturing; Thin film technologies & Nanomaterials; Surface engineering  

Work Experience

  • October 2021 – to Date: Senior Lecturer, DeKUT
  • December 2019 – October 2021: Lecturer, DeKUT
  • September 2015 – December 2019: Assistant Lecturer, DeKUT
  • December 2014 – July 2015: Tutorial Fellow, DeKUT
  • August 2011 – December 2014: Teaching Assistant, KUCT/DeKUT

Other University and National Responsibilities

  • Director, Centre for Nanomaterials & Nanoscience Research (CNSR) 2020 to date – DeKUT
  • Coordinator, Centre for Mechanical Design, 2020 to date – DeKUT

Publications

2022

  1. JM wambua, FM Mwema, B Tanya, TC Jen (2022). CNC Milling of Medical-Grade PMMA: Optimization of Material Removal Rate and Surface Roughness. IJMME, Volume 12(1). DOI: https://www.igi-global.com/gateway/article/293226 
  2. H Shagwira, JM Wambua, FM Mwema, ET Akinlabi, TC Jen (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. DOI: https://doi.org/10.1080/2374068X.2022.2045821

2021
  1. C. Obara, H. Shagwira, RM Mahamood, TC Jen, ET Akinlabi, JO Obiko, FM Mwema (2021). Effects of forming parameters on metal flow behaviour during the MDF process: taguchi and response surface methodology optimization. Advances in Materials and Processing Technologies. DOI: https://doi.org/10.1080/2374068X.2021.1945313. Scopus/ISI. IF 1.56.
  2.  J. Nyika, FM Mwema, RM Mahamood, ET Akinlabi, TC Jen (2021). Advances in 3D printing materials processing-environmental impacts and alleviation measures. Advances in Materials and Processing Technologies. DOI: https://doi.org/10.1080/2374068X.2021.1945311. Scopus/ISI. IF 1.56
  3. J. Nyika, FM Mwema, RM Mahamood, ET Akinlabi, TC Jen (2021). A five-year scientometric analysis of the environmental effects of 3D printing. Advances in Materials and Processing Technologies. DOI: https://doi.org/10.1080/2374068X.2021.1945267. Scopus/ISI. IF 1.56  
  4. FM Mwema, JO Obiko, RM Mahamood, AA Adediran, M Bodurin, ET Akinlabi, TC Jen (2021). Constitutive analysis of hot forming process of P91 steel: finite element method approach. Advances in Materials and Processing Technologies. DOI: https://doi.org/10.1080/2374068X.2021.1939560. Scopus/ISI. IF 1.56  
  5.  C Obara, FM Mwema, JN Keraita, H Shagwira, JO Obiko (2021). A multi-response optimization of the multi-directional forging process for aluminium 7075 alloy using grey-based taguchi method. SN Applied Sciences volume 3, Article number: 596 (2021) . DOI: https://doi.org/10.1007/s42452-021-04527-2. Scopus/ISI 
  6. H Shagwira, FM Mwema, JO Obiko, TO Mbuya, ET Akinlabi (2021). The Optimization of the Surface Roughness of Milled Polypropylene + 60wt.% Quarry Dust Composite Using the Taguchi Technique. Advances in Material Science and Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-3641-7_20. Scopus. IF 0.55
  7. F.M. Mwema, D. Sobola, A. Baruwa, and E. Akinlabi. (2021). Effect of Heat Treatment on the Structure and Morphology of Silver-Coated Three-Dimensional Printed Flexible Polylactic Acid Thin Plates. Materials Performance and Characterization, Vol. 10, no. 1, pp. 87-98.  https://doi.org/10.1520/MPC20200022. SCOPUS/ISI. IF 0.72
  8. James K.Njuguna, Peter Muchiri, Nancy W. Karuri, Michael Herzog, Kiril Dimitrov, F.M. Mwema. (2021). Determination of thermo-mechanical properties of recycled polyurethane from glycolysis polyol. Scientific African, Volume 12, July 2021, e00755.DOI: https://doi.org/10.1016/j.sciaf.2021.e00755 Scopus. IF 1.7
  9. M.N. Muigai., E.T. Akinlabi., F.M. Mwema. (2021). Influence of direct current (DC) on hardness of weld stainless steel coating – A model for mild steel repair. Materials Today Proceedings. Volume 44, Part 1, 2021, Pages 1133-1135, DOI: https://doi.org/10.1016/j.matpr.2020.11.230.  Scopus. IF 1.24
  10. H. Shagwira., T.O. Mbuya., E.T. Akinlabi, F.M. Mwema, B. Tanya. (2021). Optimization of material removal rate in the CNC milling of polypropylene + 60 wt% quarry dust composites using the Taguchi technique. Materials Today Proceedings, Volume 44, Part 1, 2021, Pages 1130-1132. DOI:   https://doi.org/10.1016/j.matpr.2020.11.229.  Scopus. IF 1.24
  11. H. Shagwira, F.M. Mwema, E.T. Akinlabi (2021). Severe plastic deformation-nanocoating for processing of biomaterials: A model for small-scale industry. Materials Today Proceedings, Volume 44, Part 1, 2021, Pages 1235-1237. DOI:     https://doi.org/10.1016/j.matpr.2020.11.245. Scopus. IF 1.24
  12. Mwema F.M., Akinlabi E.T., Oladijo O.P. (2021) Demystifying Fractal Analysis of Thin Films: A Reference for Thin Film Deposition Processes. In: Akinlabi E., Ramkumar P., Selvaraj M. (eds) Trends in Mechanical and Biomedical Design. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4488 0_19. SCOPUS. IF 0.55
  13. J.O. Obiko, F.M. Mwema (2021). Deformation behaviour of high-strength aluminium alloy during forging process using Finite element method. Engineering Solid Mechanics, Volume 9.   https://doi.org/10.5267/j.esm.2020.6.001.  SCOPUS.  IF 1.33
  14. Ondicho, I., Alunda, B., F.M. Mwema., Chepkoech, M. (2021). Effect of Bimodal Grain Size Distribution on the Strain Hardening Behavior of a Medium-Entropy Alloy. Acta Metallurgica Sinica, DOI: 10.1007/s40195-020-01173-2. Scopus. IF 2.64
  15. A.A. Adediran, O.A. Balogun, A.A. Akinwande, F.M. Mwema, O.S. Adesina, A. Olayanju (2021). Effect of Surface Modification on the Properties of Polypropylene Matrix Reinforced with Coir Fibre and Yam Peel Particulate. The Scientific World Journal (Hindawi publishers), Vol. 2021, 8891563. DOI:  https://doi.org/10.1155/2021/8891563
  16. J.O. Obiko, F.M. Mwema, M.O. Bodunrin. (2021). Validation and Optimization of Cutting Parameters for Ti-6Al-4V Turning Operation Using DEFORM 3D Simulations and Taguchi Method. Manufacturing Review, Vol. 8 (5). DOI: https://doi.org/10.1051/mfreview/2021001. Scopus/ISI. IF 2.96

2020

  1. Samuel  Ranti  Oke,  Gabriel Seun  Ogunwande, Moshood Onifade,  …  FM Mwema, Japheth  Obiko  and Michael Oluwatosin Bodunrin (2020). An overview of conventional and non-conventional techniques for machining of titanium alloys. Manufacturing Rev. Volume 7, 34 https://doi.org/10.1051/mfreview/2020029. SCOPUS/ISI. IF 2.96
  2. F.M. Mwema, J.M. Nyika (2020). Challenges in facemasks use and potential solutions: The case study of Kenya. Scientific African, Volume 10, November 2020, e00563.  https://doi.org/10.1016/j.sciaf.2020.e00563. SCOPUS. IF 0.72
  3. Sahar Rezaee, Ali Arman, Stanislav Jurečk, Alireza Grayeli Korpi, Fredrick Mwema, Carlos Luna, Dinara Sobola, Sławomir Kulesza, Reza  Shakoury, Mirosław Bramowicz, Azin Ahmadpourian  (2020). Effect of annealing on the micromorphology and corrosion properties of Ti/SS thin films. Superlattices and Microstructures, In Press, 106681. DOI: https://doi.org/10.1016/j.spmi.2020.106681.  ISI/SCOPUS. IF 2.67
  4. FM Mwema, E.T. Akinlabi, O.P. Oladijo (2020), Effect of substrate type on the fractal characteristics of sputtered aluminium thin films. Materials Science (Medžiagotyra) Journal, Volume 26, No.1. DOI: https://doi.org/10.5755/j01.ms.26.1.22769.  ISI/SCOPUS. IF 0.63
  5. J.O. Obiko, F.M. Mwema (2020). Finite Element Modeling Of Non-Constrained Closed Die Forging (Modified Upsetting) Using Deform 3DTM. International Journal of Scientific & Technology Research, Vol. 9, Issue 01. http://www.ijstr.org/final- print/jan2020/Finite-Element-Modeling-Of-Non-constrained-Closed-Die-Forging-modified-Upsetting-Using-Deform- 3dtm.pdf.  SCOPUS
  6. Reza Shakoury, Ali Arman, Ştefan Ţălu, Koushik Ghosh, Sahar Rezaee, Carlos Luna, Fredrick Mwema, Khalil Sherafat, Maryam Salehi, Mohsen Mardani (2020). Optical properties, microstructure and multifractal analyses of ZnS thin films obtained by RF magnetron sputtering. Published in Journal of Materials Science: Materials in Electronics (JMSE), Springer.  https://doi.org/10.1007/s10854-020-03086-3.  ISI/SCOPUS. IF 2.38
  7. FM Mwema, ET Akinlabi, OP Philip (2020). Two-Dimensional Fast Fourier Transform Analysis of Surface Microstructures of Thin Aluminium Films Prepared by RF Magnetron Sputtering. Advances in Material Sciences and Engineering Lecture Notes, Springer https://doi.org/10.1007/978-981-13-8297-0_27.  SCOPUS. IF 0.55
  8. FM Mwema, ET Akinlabi, OP Philip (2020). Fractal Analysis of Thin Films Surfaces: A brief overview. Advances in Material Sciences and Engineering Lecture Notes, Springer https://doi.org/10.1007/978-981-13-8297-0_28. SCOPUS. IF 0.55
  9. JO Obiko, FM Mwema, ET Akinlabi (2020). Strain rate-strain/stress relationship during isothermal forging: A Deform-3D FEM. Engineering Solid Mechanics, Vol. 8. DOI: 10.5267/j.esm.2019.9.003. http://growingscience.com/esm/online.html. SCOPUS. IF 1.33
  10. FM Mwema, ET Akinlabi, OP Oladijo (2020). A systematic review of magnetron sputtering of AlN thin films for extreme condition sensing, Materials Today Proceeding, Volume 26, Part 2, Pages 1546-1550. https://doi.org/10.1016/j.matpr.2020.02.317.  SCOPUS. IF 1.24
  11. FM Mwema., Akinlabi E.T., Oladijo O.P., Akinlabi S.A., Hassan S. (2020) A Multifractal Study of Al Thin Films Prepared by RF Magnetron Sputtering. In: Emamian S., Awang M., Yusof F. (eds) Advances in Manufacturing Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore.  https://doi.org/10.1007/978-981-15-5753-8_63. Scopus. IF 0.55
  12. FM Mwema., Akinlabi E.T., Oladijo O.P., Akinlabi S.A., Hassan S. (2020) Effect of AFM Scan Size on the Scaling Law of Sputtered Aluminium Thin Films. In: Emamian S., Awang M., Yusof F. (eds) Advances in Manufacturing Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore.  https://doi.org/10.1007/978-981-15-5753-8_16. Scopus. IF 0.55
  13. FM Mwema, ET Akinlabi, OP Oladijo (2020). Micromorphology and Nanomechanical Characteristics of Sputtered Aluminum Thin Films, Material Science and Engineering Technology (Materialwiss. Werkstofftech), Wiley & Sons, Vol. 51, pp. 1-6. DOI:  http://dx.doi.org/10.1002/mawe.201900252
  14. FM Mwema, ET Akinlabi, OP Oladijo (2020). Dependence of Fractal Characteristics on the Scan Size of Atomic Force Microscopy (AFM) Phase Imaging of Aluminum Thin Films, Materials Today Proceeding, Volume 26, Part 2, Pages 1540-1545. https://doi.org/10.1016/j.matpr.2020.02.316.  SCOPUS. IF 1.24
  15. Reza Shakoury, Sahar Rezaee, Fredrick Mwema, Carlos Luna, Koushik Ghosh, Stanislav Jurečka, Ştefan Ţălu, Ali Arman & Alireza Grayeli Korpi (2020). Multifractal and optical bandgap characterization of Ta2O5 thin films deposited by electron gun method. Optical and Quantum Electronics, vol. 52 (95). https://doi.org/10.1007/s11082-019-2173-5. ISI/SCOPUS. IF 2.18
  16. FM Mwema, ET Akinlabi, OP Oladijo (2020). Microstructure and surface profiling study on the influence of substrate type on sputtered aluminium thin films. Materials Today Proceeding, Volume 26,  Part  2,  Pages,  1496-1499. https://doi.org/10.1016/j.matpr.2020.02.309.  SCOPUS. IF 1.24
  17. FM Mwema, ET Akinlabi, OS Fatoba. (2020). Visual assessment of 3D printed elements: A practical quality assessment for home-made FDM products. Materials Today Proceeding, Volume 26, Part 2, 2020, Pages 1520-1525. DOI: https://doi.org/10.1016/j.matpr.2020.02.313.  SCOPUS. IF 1.24
  18. Harrison Shagwira, FM Mwema, Thomas Mbuya, Adeolu Adediran. (2020). Dataset on impact strength, flammability test and water absorption test for innovative polymer-quarry dust composite. Published in Data in Brief, Vol. 29, 105384. https://doi.org/10.1016/j.dib.2020.105384.  SCOPUS. IF 1.13
  19. JO Obiko, FM Mwema, Harrison Shagwira. (2020). Forging optimisation process using numerical simulation and Taguchi method. Published in SN Applied Sciences, vol. 2, 713. Springer.  https://doi.org/10.1007/s42452-020-2547-0. ISI
  20. Omolayo M. Ikumapayi, E.T. Akinlabi, F.M. Mwema, O.S. Ogbonna. (2020). Six Sigma versus lean manufacturing – An overview.     Materials     today:     proceedings,          Volume     26,     Part     2, 2020,     Pages     3275-328,     DOI: https://doi.org/10.1016/j.matpr.2020.02.986. SCOPUS. IF 1.24
  21. Mwema, F. M., Akinlabi, E. T., Oladijo, O. P., & Krishna, S. (2020). Microstructure and scratch analysis of aluminium thin films sputtered at varying RF power on stainless steel substrates. Published in Cogent Engineering, vol. 7(1), 1765687. https://doi.org/10.1080/23311916.2020.1765687. SCOPUS. IF 1.69
  22. FM Mwema, E.T. Akinlabi, O.P. Oladijo, A.D Baruwa (2020). Advances in Powder Metallurgy Technologies for Production of High-Performance Sputtering Targets. Materials Performance and Characterization, 9. Published ahead of print, 29 May 2020, ASTM International. https://doi.org/10.1520/MPC20190160.  ISI/SCOPUS. IF 0.72
  23. JO Obiko, FM Mwema. (2020). Numerical simulation on the effect of sample geometry size on the metal flow behaviour during the forging process. IOP SciNotes, vol. 1, no. 1. 014401.  https://doi.org/10.1088/2633-1357/ab828c
  24. A. D. Baruwa, Esther T. Akinlabi, O. P. Oladijo, and F. M. Mwema. (2020). Surface Coating Processes: From Conventional to Silane Organic Compound Applications:  Recent and Prospects.    Advances in Manufacturing Engineering, Lecture Notes in Mechanical Engineering,  https://doi.org/10.1007/978-981-15-5753-8_45. Scopus. IF 0.55

Postgraduate Thesis Supervision and Examination

  1. Doctorate
    1. Kelly Mutonga. Title of research, “Development of a construction material from mixed plastic waste and Athi-river bentonite as compatibilizer cum reinforcement.” University of Nairobi. Proposal successfully defended. A co-supervisor
    2. Mr. Hassan Langata, PhD Mechanical Engineering student at DeKUT, research in Composite materials. Ongoing
    3. Stephen Oladijo, PhD Mechanical Engineering student at University of Johannesburg, Thin film sputtering
  2. Masters
    1. Harrison Shagwira. MSc research title, “Development of green building materials based on waste plastic and quarry dust”, DeKUT. Supervisor. Graduated in 2021.
    2. Stephen Segun Oladijo. MSc research title, “Optimization of RF Magnetron sputtering of HAP thin films on stainless steel for biomedical applications”, University of Johannesburg, Co-supervisor. Graduated in 2021.
    3. Magdalene Mungai Njeri. MSc research title, “Exploring TIG welding for surface engineering of structural materials”, DeKUT. Supervisor. Graduated in 2021
    4. Cleophas Obara. MSC Research title, “Optimization of microstructures and mechanical properties of aluminium alloy 7075 by MDF process using simulation and practical analysis”, DeKUT, Supervisor. To graduate in May 2022.
    5. Job Maveke. MSc research title, “Optimization machining of glass lenses”, DeKUT Supervisor. To graduate in May 2022.
    6. Charles Odada. MSC research title, “Development of a Data-Driven Digital Twin to Monitor an FDM 3D Printer”, DeKUT. Supervisor. Graduated in 2021.

Research Interests

  • Fractal theory of thin film materials.
  • Material development and characterisation.
  • Manufacturing-Additive manufacturing; machining; severe plastic deformation.

Affiliation/Membership to Professional Bodies

  • Graduate engineer – EBK
  • Graduate engineer – IEK
  • Professional member-ASME

    • Intellectual Property Rights (any patents registered)

    • Patent: Universal drive system for motorcycle powered machinery. A joint invention filed in 2020 under DeKUT. Accepted awaiting publication.
    • Utility model: A Foot-operated sanitizer dispensing system. An invention filed in 2020 under DeKUT.
    • Utility model: 400 series four-wheeled vehicle for motorization of agro-machinery. A joint invention filed in 2020 under DeKUT.