Search Results - "Bolokang, A.S."

Investigating the mechanical properties of A356 (Sr doped) using mechanical stirring by Nyakane, N.E, Mathabathe, M.N, Bolokang, A.S, Siyasiya, C.W

“…The Aluminium alloy A356 alloy is primarilyusually used for automobile and aerospace components owing to its high strength to weight ratio, and its relatively…”
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Surface characterization and formation mechanism of the ceramic TiO2-xNx spherical powder induced by annealing in air by Camagu, S.T., Bolokang, A.S., Muller, T.F.G., Motaung, D.E., Arendse, C.J.

“…Mechanism for the formation of titanium oxynitride (TiO2-xNx) on the surfaces of spherical Ti powder particles upon heat treatment in air at 500, 600, 700 and…”
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Solid-state transformation in nanocrystalline Ti induced by ball milling by Phasha, M.J., Bolokang, A.S., Ngoepe, P.E.

“…In the current study, we report for the first time a new Ti rhombohedral (trigonal) structure induced by HEBM and subsequent sintering. During ball milling of…”
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Formation of the metastable FCC phase by ball milling and annealing of titanium–stearic acid powder by Bolokang, A.S., Motaung, D.E., Arendse, C.J., Muller, T.F.G.

“…[Display omitted] •Metstable FCC phase formed upon sintering of milled powder at 1200°C.•Metastable phases are attributed to milling and stearic acid.•Optical…”
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Structural transformation and surface properties of a new magnesium oxynitride upon annealing by Bolokang, A.S., Motaung, D.E., Arendse, C.J., Muller, T.G.F.

“…Metastable MgOxNy compound was synthesized through annealing under the mixture of nitrogen–oxygen gases. The nanocrystalline particles of different morphology…”
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Novel synthesis of metastable HCP nickel by water quenching by Bolokang, A.S., Phasha, M.J.

“…It is shown for the first time that water quenching from 1100 °C could yield the metastable HCP Ni phase. The lattice parameters of HCP Ni obtained by water…”
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Formation of titanium nitride produced from nanocrystalline titanium powder under nitrogen atmosphere by Bolokang, A.S., Phasha, M.J.

“…The initially globular-shaped Ti powder particles were flattened to ‘pan-cake’ like shape after 12, 16, and thin flakes after 20 h of mechanical milling…”
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Comparison of metastable phases induced by heat treatment of unmilled and milled cobalt powders by Bolokang, A.S., Phasha, M.J., Bhero, S.

“…The sintered and water quenched compact samples were prepared from unmilled and milled Co powders. Characterisation was performed by differential scanning…”
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Comparison study on the effect of oxygen, nitrogen and hydrogen absorption on phase transformation and mechanical properties of quenched CP Ti and Ti6Al4V alloy by Mguni, N., Mathabathe, M.N., Shongwe, M.B., Bolokang, A.S.

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First-principles investigation of WV and WMo alloys as potential plasma facing materials (PFMs) for nuclear application by Phasha, M.J., Bolokang, A.S., Kebede, M.A.

“…Density-functional theory (DFT) based first-principles calculations were used to investigate the crystal structure, binding energy, phase stability and elastic…”
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A comparison of the microstructures, thermal and mechanical properties of pressed and sintered Ti–Cu, Ti–Ni and Ti–Cu–Ni alloys intended for dental applications by Machio, C., Mathabathe, M.N., Bolokang, A.S.

“…The effect of Ni and Cu on the α→β phase transformation temperature, possible retention of the β-phase, and mechanical properties of Ti, Ti–13Cu, Ti–4.5Ni and…”
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Phase transformation and microstructural control of the α-solidifying γ-Ti-45Al-2Nb-0.7Cr-0.3Si intermetallic alloy by Mathabathe, M.N., Govender, S., Bolokang, A.S., Mostert, R.J., Siyasiya, C.W.

“…The γ-Ti-45Al-2Nb-0.7Cr-0.3Si based intermetallic alloy was developed. Microstructure evolution of the as-cast and heat-treated alloy yielded the spheriodised…”
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First-principles investigation of W V and W Mo alloys as potential plasma facing materials (PFMs) for nuclear application by Phasha, M.J., Bolokang, A.S., Kebede, M.A.

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The vacuum melted ɣ-TiAl (Nb, Cr, Si)-doped alloys and their cyclic oxidation properties by Mathabathe, M.N., Bolokang, A.S., Govender, G., Mostert, R.J., Siyasiya, C.W.

“…The γ-TiAl intermetallic alloy doped with Nb, Cr, and Si metals has been developed. It has emerged that the ternary Ti-48Al-2Nb and quinary…”
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Structure-property orientation relationship of a γ/α2/Ti5Si3 in as-cast Ti-45Al-2Nb-0.7Cr-0.3Si intermetallic alloy by Mathabathe, M.N., Bolokang, A.S., Govender, G., Mostert, R.J., Siyasiya, C.W.

“…Structure-property relationship of the as-cast γ-Ti-45Al-2Nb-0.7Cr-0.3Si based intermetallic alloy was examined. The phases stable at room temperature in the…”
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Development and characterization of Al–Al3Ni–Sn metal matrix composite by Gxowa-Penxa, Z., Daswa, P., Modiba, R., Mathabathe, M.N., Bolokang, A.S.

“…The Al–Al3Ni–Sn composite was developed using a powder compassion and sintering metallurgical processing route. Microstructures of the sintered samples…”
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Vacuum melting of compressed powders and hot rolling of the as-cast Ti-48Al-2Nb-0.7Cr-0.3Si intermetallic alloy: Mechanical properties and microstructural analysis by Ellard, J.J.M., Mathabathe, M.N., Siyasiya, C., Bolokang, A.S.

“…The amalgamated effect of hot-rolling, rapid cooling and heat treatment on the grain refinement and the resultant mechanical properties of an intermetallic…”
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Cold-pressing and vacuum arc melting of γ-TiAl based alloys by Mathabathe, M.N., Bolokang, A.S., Govender, G., Siyasiya, C.W., Mostert, R.J.

“…[Display omitted] •Development of γ-based TiAl-doped with Nb, Cr alloys was studied.•The study showed that the alloy solidified by L + β → α peritectic…”
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Characterization of the nitrided γ-Ti-46Al–2Nb and γ-Ti-46Al–2Nb-0.7Cr-0.3Si intermetallic alloys by Mathabathe, M.N., Bolokang, A.S., Govender, G., Siyasiya, C.W., Mostert, R.J.

“…The thermal, surface properties and microstructures of the nitrided γ-Ti-46Al–2Nb and Ti–46Al–2Nb-0.7Cr-0.3Si intermetallic alloys were investigated. These…”
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Investigation into the thermal behaviour of the B2–NiAl intermetallic alloy produced by compaction and sintering of the elemental Ni and Al powders by Camagu, S.T., Mathabathe, N.M., Motaung, D.E., Muller, T.F.G., Arendse, C.J., Bolokang, A.S.

“…A cubic B2–NiAl alloy was synthesized by mixing of elemental Ni and Al powders followed by cold compacting and sintering of some samples at 750 °C and other…”
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