The dies are subject to alternating stresses due to loading and unloading during the deformation process and this causes crack initiation and eventual failure.
在变形加工过程中，由于加载、减载、模具承受交变应力作用，这就将引起开裂并发生重大破坏。
As a new compactor, oscillatory roller makes rearrangement of material particles in a dense way with a mechanism of rapidly alternating shear stresses.
振荡压路机作为一种全新的路面压实机械，它利用在压实材料中产生快速交变剪应力机理使材料的颗粒重新排列而变得密实。
As a new compactor, oscillatory roller makes rearrangement of material particles in a dense way with a mechanism of rapidly alternating shear stresses.
振荡压路机作为一种全新的路面压实机械，它利用在压实材料中产生快速交变剪应力机理使材料的颗粒重新排列而变得密实。
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