Solid Solution Strengthening of Sm in Mg-10Y-1.5Sm Alloy

Qing Zhang; Quan An Li; Xiao Tian Jing; Chang Qing Li

doi:10.4028/www.scientific.net/AMR.194-196.1378

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Solid Solution Strengthening of Sm in Mg-10Y-1.5Sm...

Solid Solution Strengthening of Sm in Mg-10Y-1.5Sm Alloy

Abstract:

By microstructure analysis and microhardness measuration, solid solution strengthening of Sm in Mg-10Y-1.5Sm alloy after solid solution and aging treatment was investigated. The results show that the microstructure of the alloy consists of α-Mg matrix and Mg₂₄Y₅ phase, and fine Mg₂₄Y₅ particles distribute in α-Mg matrix uniformly and dispersedly. No new phase forms after Sm addition, and Sm enhances α-Mg matrix and Mg₂₄Y₅ phase by solid solution effect. Compared with that of Mg-10Y alloy, the microhardness of the alloy with Sm addition increases obviously from HV87.7 to HV98.5.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

1378-1381

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.1378

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Online since:

February 2011

Authors:

Qing Zhang, Quan An Li, Xiao Tian Jing, Chang Qing Li

Keywords:

Mg-10y-1.5Sm Alloy, Microhardness, Microstructure, Solid Solution Strengthening

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