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首页> 中文期刊> 《中国物理：英文版》 >The effect of Fe on the martensitic transformation of TaRu high-temperature shape memory alloys:A first-principles study

The effect of Fe on the martensitic transformation of TaRu high-temperature shape memory alloys:A first-principles study

         
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摘要

The effect of Fe on the martensitic transformation of TaRu high-temperature shape memory alloys has been investigated using first-principles calculations.The site preference of Fe in TaRu alloys has been clarified for the first time,and the results show that Fe is predicted to occupy Ru sites.The addition of Fe increases the stability of the Ta5oRu50-xFex ββ phase,leading to a significant decrease in the β to β' martensitic transformation temperature.In addition,the mechanism of the Fe alloying effect is explained on the basis of the electronic structure.

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  • 来源
    《中国物理：英文版》 |2012年第5期|515-518|共4页
  • 作者

    Tan Chang-Long; Tian Xiao-Hua; Cai Wei;

  • 作者单位

    College of Applied Science,Harbin University of Science and Technology,Harbin 150080,China;

    College of Applied Science,Harbin University of Science and Technology,Harbin 150080,China;

    Department of Materials Physics and Chemistry,Harbin Institute of Technology,Harbin 150001,China;

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