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Browsing by Author "Bolokang, AS"

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  • Ramosoeu, ME; Chikwanda, HK; Bolokang, AS; Booysen, G; Ngonda, TN (Southern African Institute of Mining and Metallurgy, 2010-10)
    Direct Metal Laser Sintering (DMLS) is one of the new Laser Additive Manufacturing (LAM) techniques used for producing complex topology components mostly found in medical applications. The work presented in this paper ...
  • Bolokang, AS; Phasha, MJ; Motaung, DE (Scientific Research Publishing, 2013-04)
    Broadening and height reduction of X-ray diffraction peaks were observed after cold-pressing of unmilled Co-W pow- der mixture. It seems the effect of cold pressing has slightly reduced the lattice parameter of W from 3.165 ...
  • Bolokang, AS (Elsevier B.V., 2008)
    Milling was carried out in flowing argon but was interrupted at regular time intervals to take samples for Xray diffraction (XRD). Because of exposure to air during the interruptions the powder was partly oxidized. The ...
  • Bolokang, AS; Phasha, MJ; Motaung, DE; Bhero, S (Hindawi Publishing Corporation, 2012)
    Cold pressing (CP) of the amorphous-like Co powder suppressed most of the XRD peaks, in particular the peak along (100) plane. The DSC curve of unmilled CP Co powder has shown a distinct sharp exothermic peak at 615◦C. ...
  • Bolokang, AS; Phasha, MJ; Camagu, ST; Motaung, DE; Bhero, S (Elsevier, 2012-03)
    Stabilization of the metastable FCC phase has been achieved after 10 h milled Co powder sintering at 1400 °C. Phase identification of the Co powders was performed by the X-ray diffraction analysis, while the microstructural ...
  • Bolokang, AS; Phasha, MJ; Motaung, DE; Cummings, FR; Muller, TFG; Arendse, CJ (Elsevier, 2014-10)
    Water quenching of unmilled Ti compact has yielded martensitic-type laths and fishbone-type twinned microstructures, with a', a'' and FCC phases induced. Upon quenching 30 h milled and (0+30) h mixed powders at 1200 °C, ...
  • Bolokang, AS; Phasha, MJ; Oliphant, C; Motaung, D (Elsevier, 2011-01)
    In the current study, results of the milled and sintered V, W, C, Co powders are presented. Analytical techniques such as SEM equipped with EDS and XRD were used to study microstructure and phase evolution, respectively. ...