Considering the tangential force applied on a contact spot, the critical area demarcating the elastic and plastic regimes is obtained by comparing the normal elastic load with the normal plastic load.
计及作用于接触斑点上的切向力，通过比较作用于接触斑点上的法向弹性载荷与法向塑性载荷，确定了区分弹性接触与塑性接触区域的临界接触斑点面积。
The results show that opening point, opening angle, maximal tangential stress and critical load vary with aspect ratio and inclined angle. The most dangerous inclined angle is obtained accordingly.
结果表明，开裂点、开裂角、最大切向拉应力和临界载荷随椭圆的纵横轴比和倾角的不同而变化，由此可得到最危险的倾角。
Based on the maximal tension stress theory, formulae of maximal tangential stress and critical load are presented.
根据最大拉应力理论，给出了最大切向拉应力和临界载荷公式。
Based on the maximal tension stress theory, formulae of maximal tangential stress and critical load are presented.
根据最大拉应力理论，给出了最大切向拉应力和临界载荷公式。
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