摘要
随着以COD理论为基础的断裂评定方法被以弹塑性J积分理论为基础的断裂评定方法所取代,在工程实际应用中迫切需要简便、可靠的J积分估算方法。本文介绍了几种J积分工程估算方法,提出了当前这些估算方法存在的问题,讨论了今后的发展方向,为进一步发展含缺陷结构断裂评定方法提供帮助。
As the fracture assessment method based on COD theory is replaced by the method based on J - integral theory, it is greatly required simple and convenient, reliable evaluation method of J - integral. In this paper, some engineering evaluation methods of J - integral are described, some problems in these methods are raised, and the developing trend of these methods is discussed. This paper provides assistant for advanced development of fracture assessment method of structure containing defects.
出处
《压力容器》
北大核心
2006年第2期42-45,共4页
Pressure Vessel Technology
关键词
弹塑性
断裂评定
J积分
工程估算方法
elastic -- plastic
fracture assessment
J - integral, engineering evaluation method
