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Effect of Pre/Post T6 Heat Treatment on the Mechanical Properties of Laser Welded SSM Cast A356 Aluminium Alloy

Author: Akhter, R ; Ivanchev, L ; Burger, HP Date: Feb 2007 Aluminium alloy A356 was treated by the Rheo semi solid metal (SSM) process, developed recently by CSIR-Pretoria, and cast in plates using a high pressure die casting (HPDC) machine. Plates in as cast condition (F) and heat treated T6 condition ... Read more
Influence of Mn on the tensile properties of SSM-HPDC Al-Cu-Mg-Ag alloy A201

Author: Müller, H ; Masuku, EP ; Curle, UA ; Pistorius, PC ; Knutsen, RD ; Govender, G Date: Mar 2011 A201 aluminium alloy is a high strength casting alloy with a nominal composition of Al-4.6Cu-0.3Mg-0.6Ag. It is strengthened by the O(Al2Cu) phase and the ’(Al2Cu) phase during heat treatment. Further strengthening of this alloy system can ... Read more
Laser welding of SSM Cast A356 aluminium alloy processed with CSIR-Rheo technology

Author: Akhter, R ; Ivanchev, L ; Van Rooyen, Corney ; Kazadi, BP ; Burger, HP Date: 2006 Samples of aluminium alloy A356 were manufactured by Semi Solid Metals HPDC technology, developed recently in CSIR, Pretoria. They were butt welded in as cast conditions using as Nd: YAG laser. The best metal and weld microstructure were ... Read more
Natural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356

Author: Moller, H ; Govender, G ; Stumpf, WE Date: Dec 2007 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 content of semisolid ... 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
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
Shape rheocasting of high purity aluminium

Author: Curle, UA ; Moller, H ; Wilkins, JD Date: Mar 2011 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 aluminium without a ... Read more
Technical cost modelling for a novel semi-solid metal (SSM) casting processes for automotive component manufacturing

Author: Tlale, NS ; Steyn, JL ; Govender, S Date: Sep 2008 The cost structure and benefits of a new billet preparation process in semi-solid metal (SSM) casting of automotive components were investigated. The process was developed by the CSIR, a government research and development agency in South ... Read more
Technical cost modelling for a novel semi-solid metal (SSM) casting processes for automotive component manufacturing

Author: Tlale, NS ; Steyn, JL ; Govender, S Date: Sep 2008 The cost structure and benefits of a new billet preparation process in semi-solid metal (SSM) casting of automotive components were investigated. The process was developed by the CSIR, a government research and development agency in South ... Read more

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Browsing by Subject "Semi solid metals"

Browsing by Subject "Semi solid metals"

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