采用基于密度函数理论的缀加平面波加局域轨道方法和超晶胞方法对L12结构Co3(Ge,W)析出相的电子结构以及弹性常数进行了理论计算,研究了Co3(Ge,W)析出相的弹性性质.Co3(Ge,W)析出相的杨氏模量和剪切模量通过Voigt-Reuss-Hill方法计算得到.弹性性质的计算结果表明,L12结构CO3(Ge,W)析出相的剪切模量较Co基体高且能对Co基体起到强化作用,指出Co3(Ge,W)析出相在本质上是一种韧性化合物.
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