Table 3:
Modified Johnson-Cook model's parameters.
T
A (MPa)
B (MPa)
n
C
f(T
*
)
DSA(T
*
)
RT-500 ℃
390
815
0.3
0.0187
1-1.55T
*
1 + 1.65T
*
-5.1T
*2
500 ℃-882 ℃
390
815
0.3
0.0187
1-1.55T
*
1
> 882 ℃
390
815
0.3
0.0187
0.21-0.21T
*
1