第一性原理研究钛合金中的沉淀强化

程坤, 陈树明, 曹烁, 刘建荣, 马英杰, 范群波, 程兴旺, 杨锐, 胡青苗

Precipitation Strengthening in Titanium Alloys from First Principles Investigation

CHENG Kun, CHEN Shuming, CAO Shuo, LIU Jianrong, MA Yingjie, FAN Qunbo, CHENG Xingwang, YANG Rui, HU Qingmiao

表4 不同合金元素在α及β相中的剪切模量Mo当量系数(

γ_{M}

)

Table 4 Shear modulus Mo-equivalencies (

γ_{M}

) of various alloying elements in the α and β phases of Ti

Phase	Al	V	Cr	Mn	Fe	Co	Ni	Zr	Nb	Ta	W
α	-0.004	0.584	1.272	1.393	1.126	0.838	0.553	0.095	0.450	0.240	0.810
β	0.187	0.501	0.778	0.957	1.096	1.159	1.044	0.184	0.713	0.699	1.036