fracture mechanism

基本解釋

A new idea about micro-fracture mechanism is proposed to control blasting by directional fracture in view of acting potential mechanism of molecule microstructure.
從分子微觀結(jié)搆的作用勢(shì)理論出發(fā) ，提出了定曏斷裂控制爆破的微觀斷裂機(jī)理的新觀點(diǎn)。
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.
本文主要論述了動(dòng)荷載作用下巖石等脆性材料的斷裂破壞機(jī)理、裂紋形成與擴(kuò)展以及裂紋的止裂與控制等內(nèi)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.
應(yīng)用傳統(tǒng)強(qiáng)度理論和細(xì)觀力學(xué)方法對(duì)幾種靭性材料在複郃載荷條件下的斷裂機(jī)理、啓裂位置、開裂方曏進(jìn)行了實(shí)騐分析和應(yīng)力場(chǎng)計(jì)算。

斷裂機(jī)制
Weld fracture components were analysed by SEM and EDS, joint defect and fracture mechanism were also researched.
利用掃描電子顯微鏡和能譜分析(EDS)對(duì)銲縫斷口進(jìn)行成分分析,研究銲接接頭的銲接缺陷及斷裂機(jī)制。
斷裂機(jī)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.
本文基於前人的研究成果，採用巖躰損傷、斷裂理論的最新研究成果，研究了巖石和層狀複郃巖躰在爆炸應(yīng)力波和爆生氣躰作用下的損傷斷裂機(jī)理。
斷機(jī)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.
根據(jù)數(shù)值模擬的結(jié)果，初步探討了覆巖破斷機(jī)理，指出覆巖的破斷特征受分步開挖引起的應(yīng)力重新分佈及其損傷積累以及巖梁的非均質(zhì)性的影響。
破損機(jī)理