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Comparison of the heat treatment response of SSM-HPDC 6082 and 6004 wrought alloys with A356 and F357 casting alloys

Author: Müller, H ; Govender, G ; Stumpf, WE Date: Jun 2011 Semi-solid metal high pressure die casting was used to produce plates from traditional wrought Al-Mg-Si alloys 6082 and 6004, as well as from traditional casting Al-Si-Mg alloys A356 and F357. The high Si-content of the casting alloys offer ... Read more
Comparison of the heat treatment response of wrought and SSM-HPDC alloy 6082

Author: Möller, H ; Govender, G ; Stumpf, WE Date: Jun 2011 The natural and artificial aging responses of wrought and SSM-HPDC alloy 6082 are compared. It is shown that the heat treatment response of this Al-Mg-Si alloy is not influenced by differences in microstructures produced by different processing ... Read more
Evaluation of surface chemical segregation of semi-solid cast aluminium alloy A356

Author: Govender, G ; Möller, H Date: 2008 In order for SSM forming to produce homogeneous properties in a casting, it is important that there is a uniform distribution of the primary grains. Besides producing a sound casting free of porosity, the amount of liquid segregation must be ... Read more
Industrial heat treatment of R-HPDC A356 automotive brake callipers

Author: Chauke, L ; Moller, H ; Curle, UA ; Govender, S Date: Oct 2012 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 conformance of the R-HPDC ... Read more
Industrial heat treatment of R-HPDC A356 automotive brake callipers [Conference paper]

Author: Chauke, L ; Möller, H ; Curle, UA ; Govender, G Date: Oct 2012 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 conformance of the R-HPDC ... Read more
Lighter, greener and strong: developing light metals for application in the aerospace industry

Author: Du Preez, W Date: Aug 2010 This presentation starts of by discussing the drivers of the international titanium industry, followed by drivers of the South African titanium industry. The Titanium Centre of Competence is then analysed. The conclusion is reached that the ... Read more
Natural and artificial aging response of semi-solid metal processed alloy A356

Author: Möller, H ; Govender, G ; Stumpf, WE Date: Sep 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 for non-dendritic ... Read more
Near net shape forming unsing semi-solid metal forming

Author: Govender, G ; Ivanchev, LH Date: Oct 2005 The SSM forming technology has demonstrated that it will be a competitive process for the manufacture of high quality, high volume components for the automotive industry in particular. The new slurry approaches to SSM forming has made the ... Read more
Opportunities and challenges for use of SSM forming in the aerospace industry

Author: Chou, HN ; Govender, G ; Ivanchev, L Date: 2006 SSM is now considered an established technology to produce high integrity near net shape components for the automotive industry in particular. Although it is used extensively in the automotive industry, very little attention has been given ... Read more
Optimisation of the T6 heat treatment of rheocast alloy A356

Author: Moller, H ; Govender, G ; Stumpf, WE Date: Nov 2007 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 processing. The T6 ... Read more
Rheo-processing of semi-solid metal alloys: a new technology for manufacturing automotive and aerospace components

Author: Ivanchev, L ; Wilkinson, D ; Govender, G ; Du Preez, W ; Bean, R Date: 2008 The latest trend in the automotive industry to produce fuel-efficient vehicles has resulted in the increased use of aluminium and magnesium alloys. Liquid metal high pressure die-casting (HPDC) currently satisfies the bulk of the automotive ... Read more
Rheo-processing of semi-solid metal alloys: a new technology for manufacturing Automotive and aerospace components - Conference paper

Author: Ivanchev, L ; Wilkins, D ; Govender, G ; Du Preez, WB ; Bean, R Date: Feb 2006 The new trend in the automotive industry to produce more fuel-efficient vehicles has resulted in the increased use of aluminium and magnesium alloys. Currently liquid metal high-pressure die-casting (HPDC) fulfills the bulk of the automotive ... Read more
T6 heat treatment of semi-solid metal processed alloy A356

Author: Moller, H ; Govender, G ; Stumpf, WE Date: 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 conventional liquid ... Read more

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Browsing by Subject "Rheocasting"

Browsing by Subject "Rheocasting"

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