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孙士阳,徐平平,候永红,李戈扬.Ti-V合金hcp结构弹性性质的第一原理研究[J].稀有金属材料与工程(英文),2018,47(1):108~112.[Sun ShiYang,Xu PingPing,He YongHong,Li Geyang.First-principles Study on the Elastic Properties of hcp phase Ti-V Alloy[J].Rare Metal Materials and Engineering,2018,47(1):108~112.]
First-principles Study on the Elastic Properties of hcp phase Ti-V Alloy
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Received:October 15, 2015  Revised:August 15, 2016
Key words: TiV alloy  the elastic property  the first-principles  anisotropies  
Foundation item:内蒙古自然科学基金资助(项目号2015MS0554)
Author NameAffiliationE-mail
Sun ShiYang Inner Mongolia University of Science Technology sunshy@imust.edu.cn 
Xu PingPing Inner Mongolia University of Science Technology  
He YongHong Beiben trucks group Company Limited  
Li Geyang Shanghai Jiao Tong University gyli@sjtu.edu.cn 
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      In order to study the effect of V element on Ti alloy, the structure and the elastic modulus of Ti-V alloy in hcp phase was calculated by the first principles pseudopotentials and the plane wave energy band method. The results show that the content of V less 5.6 at. %, theTi-V alloy have steady HCP structure, and with the increasing of the content of V, the body elastic modulus, shear modulus and young"s modulus of Ti-V alloy decrease monotonously, while the poisson ratio increase.