Development of Mg-Al-Zn Based Diecasting Alloys for Elevated Temperature Applications

Abstract:

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Effort has been devoted to develop new heat resistant diecasting alloys based on Mg-Al- Zn system in this research. Small amounts of cerium-rich misch metal and antimony additions to AZ91 alloy could enhance the tensile strength at an elevated temperature while keeping the good castability. The increase of Zn content in Mg-8(wt%)Al-xZn-0.5RE-0.5Sb alloys, was observed to significantly increase the yield strength at 175oC although the castability such as fluidity and hot cracking resistance was slightly decreased. Intensive microstructural investigation on the new Mg- Al-Zn diecasting alloys was also carried out.

Info:

Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

525-528

DOI:

10.4028/www.scientific.net/MSF.475-479.525

Citation:

J. M. Kim et al., "Development of Mg-Al-Zn Based Diecasting Alloys for Elevated Temperature Applications", Materials Science Forum, Vols. 475-479, pp. 525-528, 2005

Online since:

January 2005

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Price:

$35.00

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