1. 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;
2. 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;
3. 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;
4. 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;
5. This paper shows the pressure and friction distributions of two kinds stiffness on the contact surface in radial direction and also the pressure in circumferential direction. 通过中径定位下的等厚和不等厚螺牙的计算,得到螺牙接触面的径向、周向摩擦力的分布及特点,为中厚板轧机螺纹副螺母损坏及滑动提供数值参考。