Significant improvement in creep property of a Mg–Yb based alloy via introducing nano-spaced stacking faults
Materials Science and Engineering: A(2022)
摘要
Although magnesium alloys are the lightest structural metallic material, they have poor creep resistance. We present a new mechanism for increasing their creep resistance in this paper. Nano-spaced stacking faults were introduced into a Mg-3Yb-0.6Zn-0.4Zr (wt.%) alloy by the alloying of Y, resulting in a more than two orders of magnitude reduction in the minimum creep rate. The finding provides a reference for developing Mg alloys with superior creep resistance.
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关键词
Mg alloys,Creep property,Stacking faults,Grain boundary
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