水平集法模拟<strong>GH4706</strong>合金动态再结晶过程

水平集法模拟GH4706合金动态再结晶过程

郑德宇, 夏玉峰, 曾扬, 周杰

Dynamic Recrystallization Process Simulation of GH4706 Alloy by Level-Set Method

ZHENG Deyu, XIA Yufeng, ZENG Yang, ZHOU Jie

表1 不同温度和应变速率下的饱和应力(σ_sat) (MPa)

Table 1 σ_sat under different temperatures and strain rates

Strain rate / s^-1	950 ^oC	1000 ^oC	1050 ^oC	1100 ^oC	1150 ^oC
0.001	139.5	89.7	59.4	50.1	45.7
0.01	197.7	145.3	107.5	83.4	63.5
0.1	303.5	217.8	182.1	139.7	109.4
1	395.7	304.6	272.4	224.7	194.1