Enhanced Dispersion Strengthening of Sm in Mg-10Y-0.5Sm Alloy

Qing Zhang; Quan An Li; Jun Chen; Xing Yuan Zhang

doi:10.4028/www.scientific.net/AMR.998-999.51

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 998-999Enhanced Dispersion Strengthening of Sm in...

Enhanced Dispersion Strengthening of Sm in Mg-10Y-0.5Sm Alloy

Abstract:

The enhanced dispersion strengthening of Sm in Mg-10Y-0.5Sm has been investigated by means of microstructure analysis and tensile tests. The results show that Sm addition improves the image of Mg₂₄Y₅phase and causes the formation of fine and dispersed Mg₂₄Y₅ phase. Meanwhile, the dissolved Sm increases the thermal stability of Mg₂₄Y₅ phase and enhances its dispersion strengthening in the alloy. It leads to the increased tensile strength of the alloy at elevated temperatures.

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Periodical:

Advanced Materials Research (Volumes 998-999)

Pages:

51-54

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.998-999.51

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Online since:

July 2014

Authors:

Qing Zhang*, Quan An Li, Jun Chen, Xing Yuan Zhang

Keywords:

Dispersion Strengthening, Magnesium Alloy, Microstructure, Sm

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