Processing math: 100%

Ti-6Al-4V合金βα相变中晶界α相形成机制的相场模拟
孙佳, 李学雄, 张金虎, 王刚, 杨梅, 王皞, 徐东生

Phase Field Modeling of Formation Mechanism of Grain Boundary Allotriomorph in βα Phase Transformation in Ti-6Al-4V Alloy
SUN Jia, LI Xuexiong, ZHANG Jinhu, WANG Gang, YANG Mei, WANG Hao, XU Dongsheng
表1 相场动力学的模拟参数
Table 1 Simulation parameters in phase field model
ParameterValueUnit
r[-0.5,0.5]
ξnoise0.05, 0.07, 0.09, 0.11
tnoise50,60,70,80s
R8.314J·mol-1·K-1
T1213K

σ

ω

0.0362

0.00036

J·m-2
W0.5×10-6m
a12/3
κ0.001814

Mij

L

1.0×10-18

80

Δt0.1s
Δx5×10-8m