钛合金双态组织高温拉伸行为的晶体塑性有限元研究
李学雄,徐东生,杨锐
CPFEM Study of High Temperature Tensile Behavior of Duplex Titanium Alloy
Xuexiong LI,Dongsheng XU,Rui YANG
表2
Ti-6Al-4V晶体塑性参数(750℃)
Table 2
Phase
Slip systems type
n
h
0
/MPa
τ
0
/MPa
τ
s
/MPa
α
-Ti(HCP)
<
a
>
6.25
120.0
8.2
18.0
<
c+a
>
6.25
120.0
82.0
180.0
β
-Ti(BCC)
12.5
143.1
84.3
96.5