压力容器安全性评定的判据法TWO-CRITERIA APPROACH FOR SAFETY ASSESSMENT OF PRESSURE VESSELS
王酉生
摘要(Abstract)：
由于压力容器的断裂破坏并非总是脆性破坏,所以单纯采用线弹性断裂力学的K_(1c)判据判断压力容器的安全性时是危险的。据此,本文介绍了双判据法的由来和发展,对该方法的基本理论和实际应用进行了探讨。文中用双判据法对带裂纹的紧凑拉伸试样进行了裂纹启裂、稳定裂纹扩展和最大载荷的预测。结果表明该法的破坏评定线的确是破坏评定点的下限曲线,可以用于带缺陷压力容器的安全评定。
关键词(KeyWords)：
基金项目(Foundation):
作者(Author): 王酉生
DOI: 10.19666/j.rlfd.1992.04.003
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