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利用基于密度泛函理论的第一原理精确Muffin-Tin轨道(EMTO)方法结合相干势近似(CPA),研究了Ti1-xVx与Ti1-xNbx合金中α(α'),ω及β相的晶格常数,体模量及相稳定性随成分的变化.结果表明,Ti-V合金中随着V含量的增加,α(α')相晶格参数αα减小,cα/αα略有增加,ω相晶格参数αω及cω/nω同时减小,β相晶格参数αβ减小;Ti-Nb合金中随Nb含量的增加,αα几乎不变,cα/αα增加,aω增加,cω/αω减小,αβ几乎不变.随V及Nb含量的增加,ω与β相的晶格错配度线性增加.V和Nb均能提高三相的体模量,且增加β相对于其它两相的稳定性.

参考文献

[1] Leyens C,Peters M.Titanium and Titanium Alloys:Fundamentals and Applications.Weinheim Germany:Wiley VCH,2003:1
[2] Collings E W.The Physical Metallurgy of Titanium Alloys.Metals Park,OH:American Society for Metals,1984:75
[3] Hao Y L,Li S J,Sun S Y,Zheng C Y,Yang R,Acta Biomater,2007; 3:277
[4] Sikka S K,Vohra Y K,Chidarnbararn R.Solid State Comm,1982; 42:205
[5] McCabe K K,Sass SL.Philos Mag,1971; 23:957
[6] Hanada S,Izumi O.Metall Trans,1986; 17A:1409
[7] Aurelio G,Guillermet A F,Cuello G J,Campo J.Metall Mater Trans,2002; 33A:1307
[8] Dobromyslov A V,Elkin V A.Scr Mater,2001; 44:905
[9] Collings E W.Phys Rev,1974; 9B:3989
[10] Hu Q M,Li S J,Hao Y L,Yang R,Johansson B,Vitos L.Appl Phys Lett,2008; 93:121902
[11] Martin R.M.Electronic Structure:Basic Theory and Practical Methods.Cambridge,UK:Cambridge University Press,2005:119
[12] Vitos L.The EMTO Method and Applications in Computational Quantum Mechanic8 for Materials Engineers.London:Springer-Verlag,2007:1
[13] Vitos L.Phys Rev,2001; 64B:014107
[14] Perdew J P,Burke K,Ernzerhof M.Phys Rev Lett,1996;77:3865
[15] Soven P.Phys Rev,1967; 156:809
[16] Gyorffy B L.Phys Rev,1972; 5B:2382
[17] Vitos L,Abrikosov I A,Johansson B.Phys Rev Lett,2001;87:156401
[18] Hu Q M,Kadas K,Hogmark S,Yang R,Johansson B,Vitos L.Appl Phys Lett,2007; 91:12918
[19] Hu Q M,Yang R,Lu J M,Wang L,Johansson B,Vitos L.Phys Rev,2007; 76B:224201
[20] Lu J M,Hu Q M,Yang R.Acta Mater,2007; 56:4913
[21] Kittel C.Introduction to Solid State Physics.New York:John Wiley and Sons,1971:96
[22] Leibovitch C H,Rabinkin A,Talianker M.Metall Trans,1981; 12A:1513
[23] Ming L C,Manghnani M H,Katahara R W.Acta Metall,1981; 29:479
[24] Ikehata H,Nagasako N,Furuta T,Fukumoto A,Miwa K,Saito T.Phys Rev,2004; 70B:174113
[25] Sun J,Yao Q,Xing H,Guo W Y.J Phys:Condens Matter,2007; 19:486215
[26] Hariharan Y,Janawadkar M P,Radhakrishnan R S,Terrance A L E,Dixit G A,Raghunathan V S.Pramana,1986; 26:513
[27] Kim H Y,Ikehara Y,Kim J I,Hosoda H,Miyazaki S.Acta Mater,2006; 54:2419
[28] Katahara K W,Manghnani M H,Fisher E S.J Phys,1979; 9F:773
[29] Grimall G.Phys Set,1976; 13:59
[30] SSderlind P,Johansson B.Thermochim Acta,1993; 218:145
[31] Fisher E S,Dever D.Acta Mater,1970; 18:265
[32] Balcerzak A T,Sass S L.Met Mater Trans,1972; 3B:1073
[33] Ahuja R,Wills J M,Johansson B,Eriksson O.Phys Rev,1993; 48B:16269
[34] Verma A K,PModak P,Rao R S,Godwal B K,Jeanloz R.Phys Rev,2007; 75B:014109
[35] Kutepov A L,Kutepova S G.Phys Rev,2003; 67B:132102
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