Open Access
表5
不同方法得到的断裂应变值
| 缺口半径/mm | 应力三轴度T | 基于试验的εf | 试验和数值模拟相结合的εf | 有限元模拟的εf |
| 10 | 1.13 | 0.255 7 | 0.251 1 | 0.276 5 |
| 7.5 | 1.2 | 0.235 3 | 0.246 6 | 0.266 0 |
| 5 | 1.35 | 0.212 9 | 0.224 1 | 0.251 9 |
| 2.5 | 1.56 | 0.136 6 | 0.184 2 | 0.149 4 |
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