实质断裂强度性能受到了外加载荷与磨削残余应力的组合应力的制约。
The real fracture strength is restrained by both stresses caused by outside load and residual stresses after grinding.
结果表明，螺栓的预紧应力接近材料的断裂强度。
The results suggest that the stress is close to the breaking strength.
粗糙表面的晶粒间易产生V形口，导致应力集中，降低了膜的断裂强度。
Rough surface is easy to generate V shape of stress concentration, which reduce fracture strength.
探讨了陶瓷磨削表面残余应力对断裂强度的影响。
In this paper, the influence of the surface residual stresses of ceramics grinding on fracture strength has been studied.
用于测定氨纶丝断裂强度、断裂伸长率、定伸长负荷、应力松弛，塑性变形等性能指标。
Used for testing indexes of polyurethane monofilament, such as breaking tenacity, elongation at break, load at specified elongation, relaxation of stress, plastic deformation, etc.
应力腐蚀开裂是一种延迟失效，它意味着裂纹的缩写，并在一个缓慢的应变率传播，直到应力达到断裂强度。
The SCC is a delayed failure, it means the crack initials and propagates at a slow strain rate until the stress reaches the fracture strength.
表面残余应力的数值、性质、作用深度和变化梯度的综合作用决定了断裂强度的性能；
Researching results are as follows: The effect of residual stresses on materials strength is realized by grinding crack;
表面残余应力的数值、性质、作用深度和变化梯度的综合作用决定了断裂强度的性能；
Researching results are as follows: The effect of residual stresses on materials strength is realized by grinding crack;
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