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Browsing by Author "Moller, H"

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  • Moller, H; Curle, UA; Masuku, EP (Editorial office of Transactions of Nonferrous Metals Society of China, 2010-09)
    Semi-solid metal (SSM) processing is a unique manufacturing method to produce near-net shape products for various industrial applications. The nature of the SSM slurry (with solid spherical grains suspended in a liquid), ...
  • Moller, H; Govender, G; Stumpf, WE; Pistorius, PC (Maney Publishing, 2010)
    The heat treatment response of semisolid metal high pressure die cast Al-7Si-Mg alloys A356 and F357 was studied and compared. It was found that the heat treatment behaviour of alloy F357 is influenced markedly by the ...
  • Chauke, L; Moller, H; Curle, UA; Govender, S (Trans Tech Publications, 2012-10)
    Heat treatment of rheo-high pressure die cast (R-HPDC) A356 brake callipers has produced good mechanical properties on the laboratory scale. An industrial heat treatment is required to evaluate the applicability and ...
  • Moller, H; Masuku, EP (Bentham Open, 2009)
    Semi-solid metal processing results in liquid segregation at the surface of the components. The pitting behaviour of this surface layer of semi-solid metal processed alloy F357 was compared with the centre (or bulk) of ...
  • Moller, H; Govender, G; Rossouw, P; Stumpf, W (Hindawi Publishing Corporation, 2011)
    Alloy A356 is one of the most popular alloys used for semisolid metal forming. The heat treatment cycles that are currently applied to semisolid processed components are mostly those that are in use for dendritic casting ...
  • Arthur, N; Malabi, K; Baloyi, P; Moller, H; Pityana, S (2016-11)
    The Optomec Laser Engineered Net Shaping (LENS®) system is a laser-based platform that relies on computer-aided design (CAD) files to design and produce 3D printed components. This system is comprised of a 1 kW laser used ...
  • Masuku, EP; Moller, H; Curle, UA; Pistorius, PC; Li, W (Editorial office of Transactions of Nonferrous Metals Society of China, 2010-09)
    The aim of SSM forming is to obtain a semi-solid structure (which is free of dendrites) with the solid present in a near spherical form. The nature of the SSM slurry (with solid spherical grains suspended in a liquid), ...
  • Moller, H; Govender, G; Stumpf, WE; Knutsen, RD (Maney Publishing, 2009)
    The microstructures and mechanical properties of strontium modified semisolid metal high pressure die cast A356 alloy are presented. The alloy A356-F (as cast) has a globular primary grain structure containing a fine ...
  • Moller, H; Govender, G; Stumpf, WE (Bentham Open, 2008)
    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. It ...
  • Diaz, S; Demissew, S; Carabias, J; Joly, C; Lonsdale, M; Ash, N; Larigauderie, A; Adhikari, JR; Arico, S; Baldi, A; Bartuska, A; Baste, IA; Bilgin, A; Brondizio, E; Chan, KMA; Figueroa, VE; Duraiappah, A; Fischer, M; Hill, R; Koetz, T; Leadley, P; Lyver, P; Mace, GM; Martin-Lopez, B; Okumura, M; Pacheco, D; Pascual, U; Selvin Perez, E; Reyers, B; Roth, E; Saito, O; Scholes, RJ; Sharma, N; Tallis, H; Thaman, R; Watson, R; Yahara, T; Hamid, ZA; Akosim, C; Al-Hafedh, Y; Allahverdiyev, R; Amankwah, E; Asah, ST; Asfaw, Z; Bartus, G; Brooks, LA; Caillaux, J; Dalle, G; Darnaedi, D; Driver, A; Erpul, G; Escobar-Eyzaguirre, P; Failler, P; Fouda, AMM; Fu, B; Gundimeda, H; Hashimoto, S; Homer, F; Lavorel, S; Lichtenstein, G; Mala, WA; Mandivenyi, W; Matczak, P; Mbizvo, C; Mehrdadi, M; Metzger, JP; Mikissa, JB; Moller, H; Mooney, HA; Mumby, P; Nagendra, H; Nesshover, C; Oteng-Yeboah, AA; Pataki, G; Roue, M; Rubis, J; Schultz, M; Smith, P; Sumaila, R; Takeuchi, K; Thomas, S; Verma, M; Chang, Y; Zlatanova, D (Elsevier, 2015-06)
    The first public product of the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES) is its Conceptual Framework. This conceptual and analytical tool, presented here in detail, will underpin all IPBES ...
  • 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 ...
  • Masuku, EP; Moller, H; Knutsen, R; Ivanchev, L; Govender, G (Trans Tech Publications, 2009-06)
    The traditional solution treatment cycles that are currently applied to rheo-processed A201 are mostly those that are used for conventional castings. These solution treatments are not necessarily the optimum solution ...
  • 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 ...
  • Curle, A; Moller, H; Govender, G (Trans Tech Publications, 2013)
    The history of semi-solid metal forming and in particular rheo-high pressure die casting at the Council for Scientific and Industrial Research in South Africa is discussed. Processing flexibility is demonstrated on the ...
  • Masuku, EP; Moller, H; Govender, G; Ivanchev, LH (2008-09)
    Rheocasting of alloys A206 and A201 was investigated in this study. Conical bars with different silver contents were produced using CSIR rheoprocess technology, together with high pressure die casting. The results showed ...
  • Curle, UA; Moller, H; Wilkins, JD (Elsevier, 2011-03)
    It is demonstrated experimentally that using the Council for Scientific and Industrial Research Rheo Casting System and high pressure die casting it is possible to semi-solid process and cast into a shape high purity ...
  • 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, W (Trans Tech Publications, 2009-04)
    The T5 heat treatment of semi-solid metal (SSM) processed alloy F357 was investigated by considering the effects of cooling rate and natural aging after casting, as well as artificial aging parameters on tensile properties. ...
  • 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 ...