Paper Title:

Magnesium Alloy Development for Automotive Applications

Periodical Materials Science Forum (Volumes 706 - 709)
Main Theme THERMEC 2011
Edited by T. Chandra, M. Ionescu and D. Mantovani
Pages 69-82
DOI 10.4028/www.scientific.net/MSF.706-709.69
Citation Alan A. Luo et al., 2012, Materials Science Forum, 706-709, 69
Online since January, 2012
Authors Alan A. Luo, Raja K. Mishra, Bob R. Powell, Anil K. Sachdev
Keywords Alloy Development, Computational Thermodynamics, Microstructure, Phase Diagram, Precipitation, Texture
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Abstract

This paper summarizes the development of new cast and wrought magnesium alloys using computational thermodynamics tools and experimental approach. The Mg-Al-Ca alloys show excellent creep resistance due to the formation of high-temperature (Mg,Al)2Ca phase. The Mg-Al-Sn alloys are designed for mechanical properties and corrosion resistance through the optimization of Mg17Al12 and Mg2Sn phases in the microstructure. In the Mg-Zn-Ce system, Zn provides strength through solid solution strengthening while Ce increases the ductility via improved texture. Mg-Nd-Zn is a heat-treatable alloy system based on the precipitation hardening of Mg12Nd phase.