2) stress field intensity approach
应力场强法
1.
This paper presents a systematical descriptions for fatigue behaviours by stress field intensity approach, which covers fatigue notch factor KJ, fatigue size factor E, fatigue limits under various loading type, fati.
基于近年来发展的应力场强法对金属材料的多种疲劳行为作了系统的描述,给出了缺日疲劳系数Kf、疲劳尺寸系数ε、疲劳加载方式团于CL、多轴疲劳极限方程、缺口件S-N曲线的预测等多方面的定量描述,并引用了大量的实验数据加以验证,由此表明应力场强法是一种很好的抗疲劳设计方法。
2.
The life prediction methods of notched specimen are reviewed,especially on nominal stress approach,local stress-strain method and stress field intensity approach.
概述了含缺口构件疲劳寿命预测方法,重点介绍了名义应力法、局部应力-应变法和应力场强法,总结了这些方法预测含缺口构件疲劳寿命的原理、应用方法、适用范围、优缺点,并介绍了近几年来这些预测方法在国内外的研究现状和进展。
3.
Through the stress field intensity approach, the relationship between the rotary bending fatigue limit and torsion fatigue limit was studied.
通过对1Cr11Ni2W2MoV钢的旋转弯曲疲劳性能进行测试,得出不同温度下材料的应力-寿命曲线, 并且结合材料的静强度值,验证了疲劳极限同材料静强度之间的关系;根据应力场强法,分析了旋转弯曲疲劳极限与扭转疲劳极限之间的关系。
3) stress field intensity
应力场强法
1.
A fatigue failure criterion for predicting the fatigue life of notched orthotropic fiber reinforced plasties (FRP) plates based on the concept of stress field intensity (SFI) near the notch root is subjected to further experiments.
文中共做了六种玻璃纤维复合材料缺口试验件和一种光滑试验件疲劳试验,缺口附近的疲劳损伤区用数字照相机记录,损伤区的形状和应力场强法模型假定的破坏区十分接近,实验结果表明:应力场强法能够很好地预测正交各向异性缺口层合板的疲劳破
4) stress field intensity method
应力场强法
1.
From the finite calculation by the stress field intensity method and the fatigue experiment of the step detail, it can be resulted that the increasement of L 2 can extend the fatigue life of the structure detail and the variance of R in small scope will not affect the fatigue life greatly.
通过采用应力场强法对下陷结构进行有限元计算和疲劳试验得知,L2的增加可延长结构的疲劳寿命,而R的小范围尺寸变化不会对寿命有太大影响。
5) local stress-strain field intensity
局部应力应变场强
1.
Through the finte element analysis on the elastoplasticity of notched specimen under the random alternate loading, a local stress-strain field intensity method is proposed for prediction of fatigue life under random l.
通过对缺口件进行随机交变加载下的弹塑性有限元分析,提出一种随机加载疲劳寿命预测的局部应力应变场强法;由该法来预测缺口件疲劳裂纹形成寿命,其精度要好于传统的局部应力应变法。
6) high stress field
强应力场
补充资料:轧辊残余应力(见轧辊应力)
轧辊残余应力(见轧辊应力)
residual stresses in roll
zhagun eanyu yingli轧辊残余应力(residual stresses in roll)见礼辐应力。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条