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

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Authors

Moller, Heinrich
Govender, Gonasagren
Stumpf, Waldo E.

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Trans Tech

Abstract

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 several advantages, including a faster artificial aging response, higher strength for comparable Mg contents and less sensitivity to prior natural aging on peak strength. However, over-aging occurs earlier in the casting alloys than in the wrought alloys.

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Keywords

Aluminium alloys, Rheocasting, Natural aging, Artificial aging

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Citation

Moller, H, Govender, G & Stumpf, WE 2011, 'Comparison of the heat treatment response of SSM-HPDC 6082 and 6004 wrought alloys with A356 and F357 casting alloys', Materials Science Forum, vol. 690, no. 53, pp. 53-56.