论文标题
在循环模式下，轴承钢的疲劳裂纹生长II +静态双轴压缩
Fatigue crack growth in bearing steel under cyclic mode II + static biaxial compression
论文作者
论文摘要
在两种轴承钢中研究了反向剪切和静态双轴压缩下的模式疲劳裂纹生长。沿着裂缝的面观察到许多流产的分支，即主要裂缝的准正交。与主裂纹平行的压缩应力阻碍了这些分支的生长，并有利于共面模式II裂纹生长。通过DIC测量的裂纹面部滑动位移用于在主裂纹尖端处得出$Δ_ {\ rm kii，eff} $，使用弹性塑料模拟模拟和裂纹面摩擦，通过反向方法。摩擦校正的裂纹生长动力学对于两种钢的模式II裂纹生长都获得了。
Mode II fatigue crack growth under reversed shear and static biaxial compression was investigated in two bearing steels. Many aborted branches, quasi-orthogonal to the main crack, were observed along the crack face. The compressive stress parallel to the main crack hindered the growth of these branches and favored coplanar mode II crack growth. The crack face sliding displacement profiles measured by DIC were used to derive $Δ_{\rm KII,eff}$, at the main crack tip, using elastic-plastic FE simulations with crack face friction, by an inverse method. Friction corrected crack growth kinetics were obtained for mode II crack growth in both steels.
