含裂纹压力容器的寿命预测方法研究进展

Research Progress in Life Prediction of Pressure Vessels with Cracks

介绍了疲劳裂纹扩展速率计算的3个比较著名的公式以及公式中的各参数,尤其对应力强度因子K的计算进行了深入探讨;综述了概率统计应用于裂纹扩展计算的最新方法;介绍了新技术和压力容器寿命预测的结合。

parameters dition, the sure vesse] The three well-known formulas for fatigue crack＇ s growth rate calculation were summarized, and in the formula were illustrated, including the discussion of calculating stress intensity factor. In ad- probability and statistics used in crack propagation calculation and the new technologies for pres- prediction were introduced.