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Browsing by Author "Mathebula, T"

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Bioceramic hydroxyapatite coating fabricated on TI-6Al-4V using Nd:YAG Laser

Author: Tlotleng, Monnamme ; Akinlabi, E ; Shukla, M ; Pityana, Sisa L ; Mathebula, T ; Chauke, Levy Date: Nov 2014 A method of synthesising a biocompatible HAP coating is presented. In the current study, Nd:YAG laser was used to directly melt pre-place HAP powder beds on Ti-6Al-4V. The processing parameters used were 750 W laser power, 5 mm/s scanning ... Read more
Laser shock peening on a 6056-T4 aluminium alloy for airframe applications

Author: Glaser, D ; Polese, C ; Bedekar, RD ; Plaisier, J ; Pityana, Sisa L ; Masina, Bathusile N ; Mathebula, T ; Troiani, E Date: Mar 2014 Laser Shock Peening (LSP) is a material enhancement process used to introduce compressive residual stresses in metallic components. This investigation explored the effects of different combinations of LSP parameters, such as irradiance ... Read more
NiTi intermetallic surface coatings by laser metal deposition for improving wear properties of Ti-6Al-4V substrates

Author: Mokgalaka, MN ; Pityana, Sisa L ; Popoola, PAI ; Mathebula, T Date: Mar 2014 The NiTi intermetallic possesses a number of good properties, such as high wear, oxidation, and corrosion resistance. This paper focuses on the deposition of NiTi intermetallic coatings on Ti6Al4V substrate by laser melting of Ti and Ni ... Read more

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Browsing by Author "Mathebula, T"

Browsing by Author "Mathebula, T"

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