Research

 

The research activities are aimed at addressing national needs within the context of providing technological solutions and the development of skilled graduates at a postgraduate level. Projects are directed at an understanding of the relationships between structure, properties and performance of engineering materials.

Selected Publications

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  • Principal Researchers
  • Prof Anton du Plessis
  • Prof Deborah Blaine
  • Prof Thorsten Becker

Biomimicry

Prof Anton du Plessis

Lattice structures

Prof Anton du Plessis

Quality control and improvement in metal AM

Prof Anton du Plessis

Biomimetic engineering of cellular structures in Ti6Al4V

Prof Anton du Plessis

Resource efficient process chains for titanium products: near net-shape preforms using powder metallurgy

Prof Deborah Blaine

MAX phase composites (Center for Strong Materials at WITS collaborative project)

Prof Deborah Blaine

Material performance investigation into energy materials

Prof Thorsten Becker

Qualification of additive manufactured Ti6Al4V for medical implants and aerospace components

Prof Thorsten Becker

Polycrystalline diamond compact fracture toughness investigation

Prof Thorsten Becker
  • du Plessis, A. and le Roux, S.G., 2018. Standardized X-ray tomography testing of additively manufactured parts: a round robin test. Additive Manufacturing, 24, pp.125-136
  • Yadroitsev, I., Krakhmalev, P., Yadroitsava, I. and Du Plessis, A., 2017. Qualification of Ti6Al4V ELI Alloy Produced by Laser Powder Bed Fusion for Biomedical Applications. JOM, pp.1-6
  • du Plessis, A., Yadroitsava, I. and Yadroitsev, I., 2018. Ti6Al4V lightweight lattice structures manufactured by laser powder bed fusion for load-bearing applications. Optics & Laser Technology, 108, pp.521-528
  • Du Plessis, A., Kouprianoff, D.P., Yadroitsava, I. and Yadroitsev, I., 2018. Mechanical Properties and In Situ Deformation Imaging of Microlattices Manufactured by Laser Based Powder Bed Fusion. Materials, 11(9), p.1663.
  • du Plessis, A. and le Roux, S.G., 2018. X-ray Micro-Ct Supporting the South African Additive Manufacturing Community.
  • van Rooyen, M, Becker, TH (2018). "High-temperature tensile property measurements using digital image correlation over a non-uniform temperature field". The Journal of Strain Analysis for Engineering Design, pp. 1 - 13.
  • Ter Haar GM, Becker TH. (2018). "Selective laser melting produced Ti6Al4V: Post-process heat treatments to achieve superior tensile properties". Materials, vol 11(1), pp 146 - 160.
  • Ter Haar GM, Becker TH, Blaine DC (2016). “Influence of heat treatments on the microstructure and tensile behaviour of selective laser melting-produced Ti-6Al-4V parts”. South African Journal of Industrial Engineering, vol. 27(3) Special Edition, pp. 174-183.
  • Du Plessis A, Le Roux SG, Booysen G, and Els J (2016). "Quality Control of a Laser Additive Manufactured Medical Implant by X-Ray Tomography". 3D Printing and Additive Manufacturing. vol. 3(3)
  • Becker TH, Beck M, Scheffer C (2015). “Microstructure and mechanical properties of direct metal laser sintered Ti-6Al-4V”, South African Journal of Industrial Engineering, vol. 26, pp. 1-10.
  • Motleno M, Becker TH (2014). “Implementation of the extreme learning machine for sub-pixel interpolation for digital image correlation”. ICEM16, Cambridge, UK.
  • Becker TH, TJ Marrow (2013). “Modelling Damage in Nuclear Graphite”. International Conference on Fracture 13, Beijing, China.
  • Becker TH, Tait RB and Marrow TJ (2012). “An approach to calculate the J- integral by digital image correlation”. Fatigue & Fracture of Engineering Materials & Structures, vol. 35, pp. 971– 984.
  • Becker TH, Marrow TJ and Tait RB (2011). “An Evaluation of the Double Torsion Technique”. Experimental Mechanics, vol. 51, pp. 1-16.
  • Becker TH, Mostafavi M, Tait RB and Marrow TJ (2010). “Damage and crack growth and fracture characteristics of nuclear grade graphite using the double torsion technique”. International Youth Nuclear Congress, Cape Town, RSA.