Staff Profile

/Mr Tawanda Marazani
Mr Tawanda Marazani

Acting Chairperson

Qualifications

  • PhD (Candidate) Mechanical Engineering, University of Johannesburg, RSA (2017-2020)
  • MEng Mechanical Engineering, University of Johannesburg, RSA
  • BSc Honours in Applied Science: Mechanics, University of Pretoria, RSA
  • Baccalaureus Technologiae: Engineering: Mechanical (Distinction), University of South Africa, RSA
  • National Diploma Mechanical Engineering: Production,Masvingo Polytechnic
  • Further Education Trainers Certificate,Masvingo Polytechnic
  • National Certificate Draughting and Design Technology, Masvingo Polytechnic

Research Interests

  • Laser Additive Manufacturing of Titanium Alloys and other light metals
  • Friction Stir Welding
  • Friction Stir Processing
  • Functionally Graded Materials
  • Welding
  • Metallography and Mechanical Characterization
  • Jet ImpingementTechnology (JIT)
  • Design with Constructal Theory
  • Environmental Impacts
  • Water Engineering

Professional Associations:

  • Member of the South African Institute of Mechanical Engineers (SAIMechE)
  • Associate Member of the Southern African Institute of Industrial Engineers (SAIIE)
  • Registered Professional Educator with the South African Council for Educators

PUBLICATIONS

Journal Publications

  • Marazani, T., Madyira, D. M. and Akinlabi, E. T, (2017). Repair of Cracks in Metals: A Review. Procedia Manufacturing, Volume 8, pp. 673-679.
  • Marazani, T., Madyira, D. M. and Akinlabi, E. T, (2017). Investigation of the parameters governing the performance of jet impingement quick food freezing and cooling systems – a review. Procedia Manufacturing, Volume 8, pp. 754-760.
  • Marazani, T., Madyira, D. M. and Akinlabi, E. T, (2019). Laser Re-Melt Technique for Laser Additive Repair of Narrow Rectangular Crack in Grade 5 Titanium Alloy (Ti-6AI-4V). Engineering Materials, Volume 796, pp. 129-136.
  • Marazani, T., Madyira, D. M. and Akinlabi, E. T, (2019). Microhardness profiling of Ti-6Al-4V components repaired through multiple laser additive re-melt technique, Procedia Manufacturing, Volume 35, pp. 897–902. 

Book Chapters

  • Marazani, T., Madyira, D. M. and Akinlabi, E. T, (2019). Additive Manufacturing for Crack Repair Application in Metals: A Case of Titanium (Ti) Alloys. In: Additive Manufacturing Technologies from an Optimization Perspective, IGI Global, pp. 77-101.
  • Marazani, T., Madyira, D. M. and Akinlabi, E. T, 2020 (In Press). Reduction of Excessive Flash in Friction Stir Processing of AA1100: An Experimental Observation Study, Advances in Material Sciences and Engineering.

Conference Presentations

  • Global Conference on Sustainable Manufacturing (GCSM) 3-5 October 2016, Stellenbosch University:  Papers presented: (1). “Repair of cracks in metals: a review” and (2). “Investigation of the parameters governing the performance of jet impingement quick food freezing and cooling systems – a review”.
  • The Second International Conference of Sustainable Materials Processing and Manufacturing, North West, Sun City Resort, South Africa, 8-10 March 2019: “Microhardness profiling of Ti-6Al-4V components repaired through multiple laser additive re-melt technique”. 

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