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Browsing by Author "Stumpf, WE"

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  • Möller, H; Govender, G; Stumpf, WE (Trans Tech Publications, 2008-09)
    The heat treatment cycles that are currently applied to semi-solid processed components are mostly those that are in use for dendritic casting alloys. These heat treatments are not necessarily the optimum treatments for ...
  • Moller, H; Govender, G; Stumpf, WE (Maney Publishing, 2007-12)
    International standards for aluminium alloys often permit significant fluctuations in the content of alloying elements. This allows metal suppliers more freedom in preparing these alloys. It is shown that the magnesium ...
  • Moller, H; Govender, G; Stumpf, WE (2007-11)
    The heat treatment cycles that are currently applied to processed components are mostly those that are in use for traditional dendritic alloys. These heat treatments are not necessarily the optimum heat treatments for SSM ...
  • Sha, G; Moller, H; Stumpf, WE; Xia, JH; Govender, G; Ringer, SP (Elsevier for Acta Materialia Inc and Pergamon, 2012-01)
    The solute nanostructures formed in the primary a-Al grains of a semi-solid metal cast Al–7Si–0.6Mg alloy (F357) during ageing at 180°C, and the age-hardening response of the alloy, have been systematically investigated ...
  • Moller, H; Govender, G; Stumpf, WE (Bentham Science Publishers, 2008)
    Semi-solid metal (SSM) processing is a unique manufacturing method to produce near-net shape products for various industrial applications. The aim is to obtain a semi-solid structure free of dendrites (which are formed by ...
  • Prins, SN; Cornish, LA; Stumpf, WE; Sundman, B (Pergamon-Elsevier Science Ltd, 2003-03)
    The CALPHAD technique was used to calculate the Al-Ru binary phase diagram. The RuAl (B2) phase was described with the sublattice model (SL), also designated Compound Energy Formalism (CEF), as well as the Modified Sublattice ...