Through the analysis of h_1~n curve for cylinder with an internal axial crack, this paper determines the normalised load for this cracked body, and gives the estimation formula of strain hardening exponent in a widened interval.
通过分析含轴向内部裂纹圆筒的h_1～n曲线,给出了这种裂纹体的标准载荷和关于应变硬化指数的拓宽范围内的估算公式。
Through the analysis of h_1-n curve of cylinder with an internal hoop crack and jet nozzle with acorner crack, this paper determines the normalised loads for the cracked bodies and gives the J-integral estimation formula as well as the needed data in widened interval of strain hardening exponent.
通过分析含环向内部裂纹圆筒和喷嘴角裂纹体的h_1～n曲线,获得了这两种裂纹体的标准载荷。