It is also found that the value of tensile strength and surface residual compressive stress is linear correlation.
抗拉强度与表面残余压应力线性相关。
The analysis of mechanical model shows that the fracture toughness is improved by residual compressive stress of substrate surface, which resists the tensile deformation of substrate.
力学模型分析表明，基体残余压应力以抵抗基体拉伸变形的方式提高了铬层的断裂韧性；
Compressive residual stress fields in the surface region of small specimens are determined.
测定了小试样表面层的残余压应力场。
Compared with the polished specimens, the surface residual stress of the post-exposed specimens was also compressive, but much lower.
测试发现热暴露在一定程度上降低了原抛光试样表面的残余压应力水平。
Compared with the polished specimens, the surface residual stress of the post-exposed specimens was also compressive, but much lower.
测试发现热暴露在一定程度上降低了原抛光试样表面的残余压应力水平。
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