residual compressive stress

The research showed that there was residual compressive stress in the ceramics layers.

研究发现,叠层复合材料中陶瓷层存在较大残余压应力.

When the axial residual stress exists, the stretching stress can reduce and the crushing stress can enhance the compressive strength.

而当在石油套管上存在轴向残余应力时，拉应力使石油套管的抗压溃强度降低，而压应力使石油套管的抗压溃强度有所提高；

The residual compressive stress is beneficial to fatigue strength.

表层残余压力对工件的疲劳强度起着有益的作用.

The mechanics behavior of membrane material under residual stress and compressive stress has been studied.

涉及力学问题有薄膜材料在残余应力和外载荷作用下的变形、应力、断裂和屈曲等.

During the production of casing, it will give birth to residual stress. This kind of residual stress will decrease the tensile yield limit and compressive yield limit of casing greatly.

在套管的生产过程中会产生残余应力，这种残余应力将大大降低套管的拉伸屈服极限及压缩屈服极限，进而降低套管的抗挤强度。

Once compressive residual stress is induced in the notched area, the residual stress concentration factor can be higher than the theoretical stress concentration, therefore the notched fatigue limit can be higher than the highest smooth fatigue limit.

缺口试件引入残余压应力，由于应力集中效应，缺口根部的残余应力集中系数可能高于理论应力集中系数，因而其疲劳强度将超过最高的光滑试件疲劳强度。

Although the actions of the residual compressive strains and the residual contractive thermal strains are equivalent for causing the welding residual stress, it is useful distinguishing them to develop new measures relieving and adjusting the welding residual stress in practical joints.

虽然残余压缩应变和残余收缩应变在导致焊接残余应力产生的作用方面是等价的，但其机理却有本质的不同，区别二者有利于研究和开发新的焊接残余应力调控技术。