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Browsing by Author "Lekoadi, Paul M"

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Effect of heat treatment on microstructure, hardness and tensile properties of high-speed selective laser melted Ti6Al4V

Author: Lekoadi, Paul M ; Tlotleng, Monnamme ; Annan, K ; Maledi, N ; Masina, Bathusile N Date: Nov 2022 This study presents the investigation of the influence of heat treatment on microstructure, hardness and tensile properties of high-speed selective laser melted Ti6Al4V components. Heat treatment was performed to obtain an improved microstructure ... Read more
Effect of heat treatment temperature on the microstructure and microhardness of TiC/Ti6Al4V composite manufactured with laser metal deposition

Author: Kgoahla, Reneilwe M ; Lekoadi, Paul M ; Masina, Bathusile N Date: Nov 2023 This study presented the investigation of the influence of post heat treatment temperature on the microstructure and hardness of TiC/Ti6Al4V composite manufactured with laser metal deposition. Heat treatment was performed to improve the ... Read more
Effects of substrate heating on the microstructure and hardness of TiB/Ti6Al4V-ELI during laser in-situ metal deposition

Author: Lekoadi, Paul M ; Tlotleng, Monnamme ; Masina, Bathusile N Date: Dec 2021 This work investigated the influence of heating temperature (°C) on the microstructure and microhardness of TiB/Ti6Al4V-ELI composite clads that were produced via in-situ alloying using laser metal deposition technique. The samples were ... Read more
Evaluation of heat treatment parameters on microstructure and hardness properties of high-speed selective laser melted Ti6Al4V

Author: Lekoadi, Paul M ; Tlotleng, Monnamme ; Annan, K ; Maledi, N ; Masina, Bathusile N Date: Feb 2021 This study presents the investigation on how heat treatment parameters, which are temperature, cooling method, and residence time, influence the microstructural and hardness properties of Ti6Al4V components produced on Ti6Al4V substrate using ... Read more
Improving the microstructure of high speed selective laser melted Ti6A14V components by varying residence time during heat treatment

Author: Lekoadi, Paul M ; Tlotleng, Monnamme ; Maledi, N ; Masina, Bathusile N Date: Nov 2019 Selective laser melting (SLM) is a powder bed additive manufacturing technique that produces components layerby-layer from computer aided designs as opposed to conventional manufacturing methods. Although this manufacturing technique offers ... Read more
In-situ production of WC-Ni using a laser cladding technique

Author: Skhosane, Besabakhe S ; Masina, Bathusile N ; Lekoadi, Paul M ; Pityane, Sisa L Date: Nov 2022 Metal Matrix Composite (MMC) coatings of Tungsten Carbide (WC) and Nickel (Ni) powder were produced using laser cladding process. A crack free and good metallurgically bonded WC-Ni coating of about 5mm thick produced from varying both laser ... Read more
Investigation of martensite a’ phase transformation during heat treatment of high-speed selective laser melted Ti6Al4V components

Author: Lekoadi, Paul M ; Maledi, N ; Tlotleng, Monnamme ; Masina, Bathusile N Date: Feb 2020 The investigation of microstructural and hardness properties of high-speed selective laser melted (SLM) produced Ti6Al4V coupons after various heat treatments. Heat treatment was performed in order to homogenize and improve the microstructure ... Read more
Investigation of microstructural characteristics of heat treated high speed selective laser melting fabricated Ti6Al4V components

Author: Lekoadi, Paul M ; Maledi, N ; Tlotleng, Monnamme ; Masina, Bathusile N Date: Nov 2018 This study presents an investigation of the effect of different heat treatments on the microstructure of Ti6Al4V fabricated components produced by high speed selective laser melting. 10 mm x 10 mm x 10 mm cubes were heat treated in an inert ... Read more
Investigation of the corrosion behaviour of TiC/Ti6Al4V manufactured through laser additive manufacturing

Author: Kgomo, Matshela TH ; Masina, Bathusile N ; Lekoadi, Paul M ; Mathoho, Ipfi ; Pesha, Thabo ; Sibisi, T ; Mulaudzi, Vusimusi Date: Nov 2023 This research study focuses on investigating of the corrosion response of TiC/Ti6Al4V composite manufactured by laser additive manufacturing. Corrosion tests for TiC/Ti6Al4V were carried out with 3.5% of NaCl solution at room temperature 25ºC ... Read more
Investigation of the microstructure evolution of TiC/Ti-6Al-4V composite manufactured by laser melting deposition

Author: Nomqonde, BH ; Mashinini, PM ; Lekoadi, Paul M ; Masina, Bathusile N Date: Nov 2022 This study investigated the microstructure evolution of the TiC/Ti-6Al-4V matrix composite produced using a 1073 nm continuous wave (CW), IPG Ytterbium fibre laser. The influence of thermal gradient, overlap, and re-melting of the previous ... Read more
Investigation of TiB distribution characteristics on the microstructure of in situ TiB/Ti6Al4V-ELI manufactured by laser metal deposition

Author: Lekoadi, Paul M ; Tlotleng, Monnamme ; Siyasiya, Charles ; Masina, Bathusile N Date: Nov 2023 This study presents the investigation of TiB distribution characteristics on the microstructure of in-situ synthesized TiB/Ti6Al4V single-track composites manufacture with laser metal deposition. Ti6Al4V alloy was reinforced by adding TiB2 ... Read more
Investigation of network microstructure of TiB/Ti6Al4V-ELI composite manufactured with laser metal deposition

Author: Lekoadi, Paul M ; Tlotleng, Monnamme ; Siyasiya, CW ; Masina, Bathusile N Date: May 2023 This work presents the microstructural investigation of an in situ synthesized TiB/Ti6Al4V-ELI composite that was manufactured with additive manufacturing (AM) technique known as laser metal deposition (LMD). A single-track sample was ... Read more

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Browsing by Author "Lekoadi, Paul M"

Browsing by Author "Lekoadi, Paul M"

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All of ResearchSpace

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