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Browsing by Author "Sigalas, I"

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  • Tshephe, TS; Olubambi, PA; Sigalas, I; Ozoemena, KI; Garrett, J; Sule, R (Elsevier, 2015-03)
    Titanium-manganese oxide composites as suitable material for electrode in electrochemical capacitors application was synthesized using spark plasma sintering technique. The feedstock powders were blended at varied compositions ...
  • Masikane, M; Chikwanda, HK; Sigalas, I (Trans Tech Publications, 2015-07)
    Over the past years, the blended elemental powder metallurgy (PM) approach has been identified as one of the most promising strategies to reduce the cost of titanium-based components. However, oxygen pick-up, inhomogeneity ...
  • Machaka, R; Mwakikunga, BW; Manikandan, E; Derry, TE; Sigalas, I; Herrmann, M (Hindawi Publishing Corporation, 2011-09)
    Results on a systematic study on the effects of ion implantation on the near-surface mechanical and structural properties of boron suboxide (B6O) prepared by uniaxial hot pressing are reviewed. 150 keV fluorine ions at ...
  • Machaka, R; Mwakikunga, BW; Manikandan, E; Derry, TE; Sigalas, I (VBRI press, 2011)
    Despite hot pressing being the most popular method of consolidating B6O powder, the Raman spectrum of polycrystalline hot-pressed B6O was until now poorly understood. Yet, recent reports have contributed to the understanding ...
  • Machaka, R; Derry, TE; Sigalas, I (Elsevier, 2014-06)
    Nanoindentation has become a widely used and versatile means of characterising the near-surface nanomechanical properties of a wide variety of materials. Yet, the nanomechanical properties of the polycrystalline boron ...