Effects of Sb and RE on the Solutionized Microstructure and Microhardness of Mg-6A1-1Zn-0.7Si Magnesium Alloy

Ming Bo Yang; Fu Sheng Pan; Yan Long Ma; Li Wen Tang

doi:10.4028/www.scientific.net/MSF.561-565.135

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HomeMaterials Science ForumMaterials Science Forum Vols. 561-565Effects of Sb and RE on the Solutionized...

Effects of Sb and RE on the Solutionized Microstructure and Microhardness of Mg-6A1-1Zn-0.7Si Magnesium Alloy

Abstract:

In this paper, the effects of Sb and RE on the solutionized microstructure and microhardness of Mg-6A1-1Zn-0.7Si magnesium alloy are investigated. The research results indicate that the solid solution treatment can result to the modification of Chinese script shaped Mg2Si phases in the microstructure of experimental alloy, and adding small amounts of RE and Sb can strengthen the modification efficiency. In addition, after the solid solution treatment at 420°C, the Mg-6A1-1Zn-0.7Si alloy added 0.4%Sb and 0.25%RE exhibits higher microhardness, but the effect of Sb and RE additions on the changing law between microhardness and solutionized time, is not obvious.

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Periodical:

Materials Science Forum (Volumes 561-565)

Pages:

135-138

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.561-565.135

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Online since:

October 2007

Authors:

Ming Bo Yang, Fu Sheng Pan, Yan Long Ma, Li Wen Tang

Keywords:

Magnesium Alloy, Mg₂Si Phase, Mg-6A1-1Zn-0.7Si Alloy, Re, Sb, Solid Solution Treatment

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