Finally, examples are given for predicting the fatigue crack initiation life from the tensile properties of steels.

最后给出了根据钢的拉伸性能估算疲劳裂纹起始寿命的实例。

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Crack initiation life is much longer than those of low shot peening pressure.

低喷丸强度试件表面微裂纹大量萌生，密度非常高。

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Especially the contribution to crack initiation life of the ground-air-ground circle in the crack growth formula is underestimated under the transport spectra.

特别是运输机谱中的地—空—地循环，在裂纹扩展的公式中对裂纹形成寿命的贡献估计不足。

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