Thixoforming and Industrial Application of the Semi-Solid Alloy Al-6Si-2Mg

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An application of the semi-solid alloy Al-6Si-2Mg to produce automobile components was carried out for farther development of this new alloy. The experiments were done in a self-developed SSM trial line composed of semi-continuous caster combined with electromagnetic stirring for feedstock billet production, 6-station induction reheating equipment for restoring thixotropy of SSM billet and modified die-casting unit for semi-solid thixoforming. The results show that Al-6Si-2Mg alloy has such a suitable fraction solid and low temperature sensitivity of fraction solid that the controllability of SSM process is increased greatly. The billets have uniformly fine microstructure with a higher degree of sphericity and also retain good thixotropic properties. During thixoforming, the die is filled completely, the microstructure of components is dense, and the primary phases are near spherical, and the mechanical property after heat treatment has good performance.

Info:

Periodical:

Solid State Phenomena (Volumes 116-117)

Edited by:

C.G. Kang, S.K. Kim and S.Y. Lee

Pages:

72-75

DOI:

10.4028/www.scientific.net/SSP.116-117.72

Citation:

L. J. Xie et al., "Thixoforming and Industrial Application of the Semi-Solid Alloy Al-6Si-2Mg", Solid State Phenomena, Vols. 116-117, pp. 72-75, 2006

Online since:

October 2006

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Price:

$35.00

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