Solid solution strengthening behaviors in binary Mg-Y single phase alloys
文献类型:期刊论文
作者 | L. Gao ; R. S. Chen ; E. H. Han |
刊名 | Journal of Alloys and Compounds
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出版日期 | 2009 |
卷号 | 472期号:1-2页码:234-240 |
关键词 | Magnesium alloy Rare earth addition Solid solution strengthening Dynamic strain ageing Serrated flow mechanical-properties magnesium alloys creep strength crystals microstructure zn |
ISSN号 | 0925-8388 |
中文摘要 | Solid solution effects on the mechanical behavior of binary Mg-Y single phase alloys have been investigated in a temperature range from ambient to 350 degrees C with yttrium contents between 0.20 and 1.88 at.%. At room temperature, the hardness increases with the increasing Y content as H(v0.5) (kg mm(-2)) = 31.12 + 13.23 Y (at.%). The yield strength increases linearly with c(n), where c is the solute atom concentration and n=1/2 or 2/3. However, the yield strength deviates from the c(n) power-law at temperature over 100 degrees C. This deviation observed in tensile tests over a temperature range 150-250 degrees C can be correlated with the dynamic strain ageing (DSA) effects due to the interaction between dislocations and solute Y atoms, which is evidenced by the serrated flow, as well as the local minimum and plateau in the temperature dependences of yield and ultimate strength. Other possible strengthening mechanisms have been also discussed. All rights reserved (C) 2008 Elsevier B.V. All rights reserved. |
原文出处 | |
公开日期 | 2012-04-13 |
源URL | [http://210.72.142.130/handle/321006/31921] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | L. Gao,R. S. Chen,E. H. Han. Solid solution strengthening behaviors in binary Mg-Y single phase alloys[J]. Journal of Alloys and Compounds,2009,472(1-2):234-240. |
APA | L. Gao,R. S. Chen,&E. H. Han.(2009).Solid solution strengthening behaviors in binary Mg-Y single phase alloys.Journal of Alloys and Compounds,472(1-2),234-240. |
MLA | L. Gao,et al."Solid solution strengthening behaviors in binary Mg-Y single phase alloys".Journal of Alloys and Compounds 472.1-2(2009):234-240. |
入库方式: OAI收割
来源:金属研究所
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