fracture mechanism

基本解释

A new idea about micro-fracture mechanism is proposed to control blasting by directional fracture in view of acting potential mechanism of molecule microstructure.
从分子微观结构的作用势理论出发，提出了定向断裂控制爆破的微观断裂机理的新观点。
Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
In this paper, fracture mechanism, position and direction of crack initiation of mixed mode fracture in several ductile materials are tested, and stress distributions of which are analyzed.
应用传统强度理论和细观力学方法对几种韧性材料在复合载荷条件下的断裂机理、启裂位置、开裂方向进行了实验分析和应力场计算。

断裂机制
Weld fracture components were analysed by SEM and EDS, joint defect and fracture mechanism were also researched.
利用扫描电子显微镜和能谱分析(EDS)对焊缝断口进行成分分析,研究焊接接头的焊接缺陷及断裂机制。
断裂机理
Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.
本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。
断机理
Fracture mechanism is discussed based on the numerical simulation result. It is pointed out that failure characteristic of overburden strata is influenced by stress redistribution and accumulated damage，which are induced by step excavation, and the heterogeneity of rock stratum.
根据数值模拟的结果，初步探讨了覆岩破断机理，指出覆岩的破断特征受分步开挖引起的应力重新分布及其损伤积累以及岩梁的非均质性的影响。
破损机理