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张夫恩,栾佰峰,王轩,张新宇,刘日平.Zr合金设计方法的研究现状及发展趋势[J].稀有金属材料与工程(英文),2020,49(5):1819~1824.[Zhang Fuen,Luan Baifeng,Wang Xuan,Xinyu Zhang and Riping Liu.Research Status and Prospect of Zr alloys design methods[J].Rare Metal Materials and Engineering,2020,49(5):1819~1824.]
Research Status and Prospect of Zr alloys design methods
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Received:March 26, 2019  Revised:May 13, 2019
DOI:
Key words: Zr alloy  Alloy composition design  First principles calculation  Crystal structure model  Mechanical properties
Foundation item:国家自然科学基金资助(项目号U1867202、51531005、51421001)和中央高校基础研究基金资助(106112017CDJQJ138803)
Author NameAffiliation
Zhang Fuen,Luan Baifeng,Wang Xuan,Xinyu Zhang and Riping Liu  
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Abstract:
      Zr alloy has been gradually developed and applied in nuclear industry, aerospace, biomedicine and other fields,just for its excellent characteristics, such as high hardness, high melting point, low thermal expansion coefficient, corrosion resistance and low thermal neutron absorption cross section. In this paper, the Zr alloys research status of composition design methods, including empirical/semi-empirical method, first-principles calculation method, d-electron orbital method and CALPHAD method, are introduced. Especially, the research methods and current situation of Zr alloy involved in first-principles calculation are mainly introduced. With the aid of the alloy design model and computer operation, the relationship between the mechanical behavior and microstructure of materials can be effectively and systematically understood, providing a theoretical basis for alloy composition design.Combined with the research progress and achievements of Zr alloy design methods at home and abroad, the research and development trend of Zr alloy design is briefly discussed.