In this paper,the maximum circumferential strain fracture criterion is proposed with a comparison of the maximum circumferential stress criterion and the strain energy density theory.

• 根据线弹性断裂力学，推导出了复合型裂纹的最大拉应变断裂准则，并与最大拉应力理论、应变能密度因子理论作了比较、分析；