摘要
用带焊接残余应力的焊接试板对文题进行了研究，结果表明：用修正Ｊ积分作为断裂参量建立的断裂准则，测得的缺口和裂纹断裂预测值与实验实测值非常接近，其误差在１０％之内。
The modified J-integral fracture parameter was evaluated experimentally by CCP specimens with welding residual stresses, results showed that the evaluated notch(or crack)initiation loads based on the fracture criterion,was close to the determined values.Errors between them are less than 10%.
出处
《华东理工大学学报（自然科学版）》
CAS
CSCD
1996年第2期165-169,共5页
Journal of East China University of Science and Technology
基金
"八五"国家重点科技攻关课题
关键词
断裂能量
断裂力学
二次应力
J积分
welding residual stress
fracture parameter
fracture criterion
experimental valification
