摘要
根据ＪＲ阻力曲线确定金属材料延性断裂韧度的试验方法测得ＪＲ曲线，并与递推法比较，结果令人满意。
According to the experiment method of determination of metal fracture toughness, J R -curves are obtained and compared with that calculated using recursion.
出处
《安徽建筑工业学院学报（自然科学版）》
1998年第2期67-69,共3页
Journal of Anhui Institute of Architecture(Natural Science)
关键词
J_R曲线
试验分析
裂纹扩展
J R -curves, experiment analysis, crack growth
