Moller, HGovender, GStumpf, WE2009-02-272009-02-272007-12Moller, H, Govender, G and Stumpf, WE. 2007. Natural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356. International Journal of Cast Metals Research, vol 20(6), pp 340-346.1364-0461http://hdl.handle.net/10204/3094Copyright: 2007 Maney PublishingInternational 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 metal processed Al–Si–Mg alloy A356 has a significant influence on the natural and artificial aging behaviour of the alloy. Furthermore, natural aging before artificial aging causes the time to peak hardness (T6) to be longer compared to the time when only artificial aging is used. The optimum quality index in this study was obtained using a short solution heat treatment of 1 h at 540uC, no natural aging and artificial aging at 180uC for 1 h. An increase in the magnesium content of the alloy resulted in an increase in the quality index for all the T6 heat treatment cycles studiedenSemi solid metalsAlloy A356Aging responseNatural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356ArticleMoller, H., Govender, G., & Stumpf, W. (2007). Natural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356. http://hdl.handle.net/10204/3094Moller, H, G Govender, and WE Stumpf "Natural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356." (2007) http://hdl.handle.net/10204/3094Moller H, Govender G, Stumpf W. Natural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356. 2007; http://hdl.handle.net/10204/3094.TY - Article AU - Moller, H AU - Govender, G AU - Stumpf, WE AB - 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 metal processed Al–Si–Mg alloy A356 has a significant influence on the natural and artificial aging behaviour of the alloy. Furthermore, natural aging before artificial aging causes the time to peak hardness (T6) to be longer compared to the time when only artificial aging is used. The optimum quality index in this study was obtained using a short solution heat treatment of 1 h at 540uC, no natural aging and artificial aging at 180uC for 1 h. An increase in the magnesium content of the alloy resulted in an increase in the quality index for all the T6 heat treatment cycles studied DA - 2007-12 DB - ResearchSpace DP - CSIR KW - Semi solid metals KW - Alloy A356 KW - Aging response LK - https://researchspace.csir.co.za PY - 2007 SM - 1364-0461 T1 - Natural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356 TI - Natural and artificial aging response of semisolid metal processed Al–Si–Mg alloy A356 UR - http://hdl.handle.net/10204/3094 ER -