Effects of RE and Sb on Microstructure of Mg3Al Based Magnesium Alloy

Hua Wei Sun; Sheng Xin Liu; Jing Deng; Jin Qi Miao; Shaokang Guan; Yong Chen

doi:10.4028/www.scientific.net/AMR.217-218.1733

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Effects of RE and Sb on Microstructure of Mg3Al...

Effects of RE and Sb on Microstructure of Mg3Al Based Magnesium Alloy

Abstract:

The influences of Ce, La, Nd, Y, Sb, Zn and Mn on microstructures of Mg3Al alloys were investigated. The formation of needle-like Al-RE compounds in Mg3Al alloys added 1%RE have close relations with the type of RE element. La and Ce help the acicular phase formation in Mg3Al alloy, which mainly are Al4RE, while, granular Al2RE phases were observed in the Mg3Al alloys with 1%Nd and 1%Y. However, spherical CeSb instead of needle-like Al4RE were found in Mg3Al alloy with 1%Ce and 1%Sb addition. There were not essential differences between the microstructure of Mg3Al-1%Ce-1%Sb and AZ31-1%Ce-1%Sb alloys.

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Periodical:

Advanced Materials Research (Volumes 217-218)

Pages:

1733-1738

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.217-218.1733

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Online since:

March 2011

Authors:

Hua Wei Sun, Sheng Xin Liu, Jing Deng, Jin Qi Miao, Shaokang Guan, Yong Chen

Keywords:

Magnesium Alloy, Microstructure, Needle-Like Phase, Rare Earth (RE)

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