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2D numerical model for heat transfer on a laser deposited high entropy alloy baseplate using Comsol Multiphysics

Author: Dada, A ; Popoola, P ; Mathe, Ntombizodwa R ; Adeosun, S ; Aramide, O Date: Dec 2021 In an optimization study, cracks were observed in the microstructures of laser-deposited HEAs on a steel baseplate from residual stresses, thus, the optimization of crack-free microstructures was achieved by the optimization of the laser ... Read more
Electrical resistivity and oxidation behavior of Cu and Ti doped laser deposited high entropy alloys

Author: Dada, M ; Popoola, P ; Mathe, Ntombizodwa R ; Pityana, Sisa L ; Adeosun, S Date: Sep 2022 In this study, AlCoCrFeNi–Cu (Cu-based) and AlCoCrFeNi–Ti (Ti-based) high entropy alloys (HEAs) were fabricated using a direct blown powder technique via laser additive manufacturing on an A301 steel baseplate for aerospace applications. The ... Read more
In-situ formation of laser Ti6Al4V–TiB composite coatings on Ti6Al4V alloy for biomedical application

Author: Popoola, API ; Phume, L ; Pityana, Sisa L ; Aigbodion, VS Date: Jan 2016 Ti6Al4V alloy has been widely used for medical implants due to good mechanical properties. For permanent implant applications Ti6Al4V alloy has shown to have low corrosion and wear resistance. Based on these the development of in-situ Ti6Al4V–TiB ... Read more
In-situ reactive synthesis and characterization of a high entropy alloy coating by laser metal deposition

Author: Dada, M ; Popoola, P ; Mathe, Ntombizodwa R ; Pityana, Sisa L ; Adeosun, S Date: Mar 2022 In this study, we investigate the influence of in situ reactive synthesis of Ti6Al4V– AlCoCrFeNiCu high entropy alloys by laser metal deposition on the microstructural and mechanical properties of the as-built alloy as opposed to the traditional ... Read more

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Browsing by Subject "Laser deposition"

Browsing by Subject "Laser deposition"

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