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Browsing by Author "Lengopeng, Thabo"

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Effects of heat-treatment on the microstructure of TiAl-Nb produced with laser metal deposition technique

Author: Tlotleng, Monnamme ; Lengopeng, Thabo ; Seerane, Mandy N ; Pityana, Sisa L Date: Oct 2017 Ti and its intermetallic alloys are light-weight and have good creep properties. Materials of this nature are desired for the manufacturing of parts for the aerospace, automotive and power plants. Titanium aluminides, in particular, are ... Read more
Fabrication and hardness behaviour of high entropy alloys

Author: Dada, M ; Popoola, P ; Mathe, Ntombizodwa R ; Pityana, Sisa L ; Adeosun, A ; Lengopeng, Thabo Date: Feb 2020 Laser additive manufacturing is a direct energy deposition process which manufactures components from 3D model data in progressive layers until a whole part is built as opposed subtractive manufacturing. However, during the procedure, the ... Read more
Microstructure and mechanical characterisation of TiAl coated on Ti64

Author: Masina, Bathusile N ; Lengopeng, Thabo ; Pityana, Sisa L ; Tlotleng, Monnamme Date: Nov 2017 In this study, TiAl alloy was coated on Ti64 using a 1074nm high power continuous-wave laser while varying the laser beam scanning speed. This was done in order to increase the thermo-mechanical properties of Ti64. Scanning electron microscopy ... Read more
Process optimization of high entropy alloys by laser additive manufacturing

Author: Dada, M ; Popoola, P ; Mathe, Ntombizodwa R ; Pityana, Sisa L ; Adeosun, S ; Aramide, O ; Lengopeng, Thabo Date: Aug 2020 Aerospace components and their coatings are required to possess excellent surface properties over a wide temperature range. Stainless steels, titanium, nickel superalloy, and more recently high entropy alloys (HEAs) have been used to improve ... Read more

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Browsing by Author "Lengopeng, Thabo"

Browsing by Author "Lengopeng, Thabo"

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