Mechanical and Damping Properties of Squeeze Cast Hybrid Mg Matrix Composites

Abstract:

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Mg alloy is the lightest material of structural materials and is noticed for lightweight automotive parts because of excellent castability and damping capacity compared with Al alloy. But Mg alloy has poor corrosion resistance and high temperature creep properties. In this study, Mg matrix composites were fabricated by squeeze casting method to improve high temperature creep properties and damping capacity. The creep properties and damping capacity of hybrid Mg composites reinforced with Alborex(Aluminum borate whisker: 9(Al2O3)•2(B2O3)), graphite particle, and carbon fiber were improved in comparison with Mg alloy. Hybrid Mg composites reinforced with carbon fiber and Alborex were better than those reinforced with graphite particle and Alborex in mechanical properties, creep characteristics, and damping capacity, etc.

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:

953-958

DOI:

10.4028/www.scientific.net/MSF.475-479.953

Citation:

I. D. Choi et al., "Mechanical and Damping Properties of Squeeze Cast Hybrid Mg Matrix Composites", Materials Science Forum, Vols. 475-479, pp. 953-958, 2005

Online since:

January 2005

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Price:

$35.00

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