Open Access
表4
基于公式和数值模拟的最小截面中心处应力三轴度
| 缺口半径/mm | 基于Bridgman公式的应力三轴度 | 基于有限元模拟的应力三轴度 | |
| 初始阶段 | 断裂时刻 | ||
| 10.0 | 0.56 | 0.52 | 1.13 |
| 7.5 | 0.62 | 0.57 | 1.20 |
| 5.0 | 0.74 | 0.65 | 1.35 |
| 2.5 | 1.03 | 0.77 | 1.56 |
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