If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
This method converted the S-N curve of material into the S-N curve of the construction member so that it made the computation more closely to the practical service life of the construction member.
该方法将材料的S - N曲线转化为零构件的S - N曲线，使之计算结果更接近于实际零构件的使用寿命。
The S-N curves for internal fracture mode are not affected by surface conditions, which is an inherent characteristic of the material.
内部破坏模式的S - N曲线不受表面条件的影响，是材料固有的特性。
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