At last, adopting PFM to estimate fatigue crack growth life for welded steel beams under given reliability.

最后，给出了概率断裂力学方法预测焊接钢梁在给定可靠度下疲劳裂纹扩展寿命的算例。

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The reliability of the fatigue crack growth life of single inclusion is analyzed by the advanced first order and second moment method.

采用改进一次二阶矩法分析单个夹杂裂纹扩展的可靠性。

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To predict the fatigue crack growth life of welded equipments at elevated temperature, a group of novel fatigue crack growth equations was proposed.

为了预测焊接构件在中温环境下的疲劳裂纹扩展寿命，提出了一组新的疲劳裂纹扩展方程。

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