fatigue crack propagation rate

基本解释

The formula of the fatigue crack propagation rate was directly derived from the fatigue damage criterion.
通过疲劳损伤准则，导出疲劳裂纹稳定扩展速率的计算公式。
The results show that the equiaxed and bi-modal microstructures have the similar mechanical properties and fatigue crack propagation rate.
结果表明：该合金等轴组织和双态组织的室温力学性能和疲劳裂纹扩展阻抗差别不大；
www.csu.edu.cn
Both the numerical analysis and experimental data show that the fatigue crack propagation rate is insensitive to the stress ratio for plain stress thin specimens.
实验结果和模拟结果都表明，该试样厚度下，应力比对裂纹扩展速率几乎没有影响。