[1]I.J.Polmear: Light Alloys-Metallurgy of the Light Metals,3rd ed.,Arnold,a division of Hodder Head- line PLC,London,1995. [2]ASM Metals Hand Book: Properties and Selection: Nonferrous Alloys and Special-purpose Materials., Vol.2,10th ed.Ohio,USA,ASM International,1990. [3]R.G.Song,M.K.Tseng,B.J.Zhang,J.Liu,Z.H.Jin and K.S.Shin: Acta Mater.,1996,44,3241. [4]G.M.Scamans: Hydrogen Effects in Metals,eds. I.M.Bernstein and A.W.Thompson,1981,467. [5]N.J.H.Holroyd and D.Hardie: Hydrogen Effects in Metals,eds.I.M.Bernstein and A.W.Thompson,1981, 449. [6]M.C.Payne,M.P.Teter,D.C.Allan,T.A.Arias and J.D.Joannopoulos: Rev.Mod.Phys.,1992,64,1045. [7]J.P.Perdew,J.A.Chevary,S.H.Vosko,K.A.Jackson, M.R.Perderson,D.J.Singh and C.Fiolhais: Phys.Rev. B,1992,46,6671. [8]D.Vanderbilt: Phys.Rev.B,1990,41,7892. [9]L.Kleinman and D.M.Bylander: Phys.Rev.Lett., 1982,48,1425. [10]A.F.Wright and S.R.Atlas: Phys.Rev.B,1994,50, 15248. [11]H.J.Monkhorst and J.D.Pack: Phys.Rev.B,1977, 16,1748. [12]T.H.Fischer and J.Almlof: J.Phys.Chem.,1992,96, 9768. [13]X.G.Liu,X.W.Wang,J.Y.Wang and H.Zhang: J. Phys.:Condens.Matter.,2005,17,4301. [14]R.Yang,Y.M.Wang,R.Z.Huang H.Q.Ye and C.Y.Wang: Phys.Rev.B,2002,65,094112. [15]J.R.Rice and J.S.Wang: Mater.Sci.Eng.A,1989, 107,23.Y |