brittle fracture
脆性破坏
2025-11-23 10:30 浏览次数 8
脆性破坏
brittle delay fracture脆性延迟断裂
progressive brittle creep fracture累进脆性断裂
brittle intergranular fracture脆性晶界断口
brittle failure脆性破坏;脆性疲劳;脆性失败
brittle e fracture脆性断裂
brittle fatigue fracture脆性疲劳断裂
brittle cleavage fracture脆性解理断裂
brittle dynamic fracture脆性断裂
brittle-fracture trend脆断倾向
lamellar tearing is a kind of brittle fracture in thick plate of steel structures, which usually occurs in cruciform, tee and corner joints.
层状撕裂是钢结构厚板中的一种脆性断裂形式,通常发生在十字形接头、t形接头和角接接头中。
based on the smeared cracking theory, a brittle fracture model for tensile state of compacted cohesive soil is proposed.
利用弥散裂缝理论,提出了压实黏土拉伸状态下的脆性断裂模型。
three points bending experiments show that brittle fracture of three structural steels has obvious rules related to temperature and thickness.
三点弯曲试验的结果表明,三种结构钢材脆性断裂随温度和厚度的分布具有明显的规律性。
based on the principle of fracture mechanics, the stop criterion of brittle fracture is proposed and the equation of minimal crack stop is given.
根据断裂力学的原理,提出了脆性破裂的止裂準则,给出了最小止裂方程。
cleavage fracture is a typical brittle fracture and also a process consisted of crack producing and spreading, and the mechanism is related to dislocation and crystalline grain.
解理断裂是典型的脆性断裂,解理断裂也是一个裂纹萌生和扩展的过程,其机制与位错和晶粒有关。
the findings indicate that the brittle fracture criterion for v-notches with single singularity is valid and simple, so it can be applied to engineering conveniently.
结果表明所给出的单奇异性v形切口的脆性断裂準则有效、简单且便于工程应用。
the fracture morphology was the synthesis of the cleavage brittle fracture (macroscopic) and the accurate cleavage fracture (microscopic).
其断口形貌为解理脆性断裂(宏观)和準解理断裂(微观)的综合。
on the basis of which the existing first and second strength theories are modified, and a strength condition of brittle fracture for cast iron is given.
研究了复杂应力状态下单元体内各物理量对材料脆性断裂的影响,修正了第一、第二强度理论,给出了一个铸铁脆性断裂的强度条件。
there is brittle fracture frequently during drawing the high carbon wire rod 82b, which is used for pre-stressed strand.
预应力钢绞线用优质高碳盘条82b在拉拔过程中常出现脆断现象。
the cause of brittle fracture on hacksaw blades - blank were analyzed.
检验分析了机用锯条坯脆断的原因。
the results show that brittle fracture occurs in matrix and the p-wcmod(crack mouth opening displacement) curve is linear till loading to failure.
实验结果表明:水泥基体发生脆性断裂,从加载到试件破坏p-wcmod曲线一直呈线性;
in this paper, the change of stress-strain state in tensile steel members with different thicknesses and notch radius are investigated. its influence on the brittle fracture is also discussed.
本文介绍含缺口的受拉钢构件应力应变关系在不同厚度和缺口曲率半径情况下的变化及其对构件发生脆性破坏可能性的影响。
the results show that 82b wire rod brittle fracture is mainly caused by excessive inclusion, reticulate carbide, lower sorbite in the microstructure, and surface defect of wire rod.
结果表明,82b钢盘条脆断的主要原因是夹杂物级别超标、组织中出现网状碳化物、索氏体含量偏低以及盘条表面缺陷等。
at low temperature, the cleavage surface and tearing ridge, which was taken as typical brittle fracture features, could be seen on fracture surfaces.
低温断裂断口主要由解理面和撕裂棱组成,具有明显的脆性沿晶断裂的特征;
the characteristics of ductile to brittle fracture transition of hq785c steel have been investigated by means of instrumented impact test and sem.
利用示波沖击试验及断口分析方法对hq785c钢的韧脆断裂转变特性进行了研究。
the fracture section microstructure and inclusion of 82b wire rod were tested, and the drawing brittle fracture was examined using sem.
对82b钢盘条拉拔脆断断口进行了金相组织和夹杂物检测,并借助扫描电镜观察分析了拉拔过程中产生的脆性断口形貌。
all these show that the ductile shear deformation and the extension structural breccia among brittle fracture are beneficial for enrichment and mineralization of gold.
说明韧性剪切及叠加在韧性剪切之上的脆性破裂均有利于金的富集成矿。
numerical analysis results show that the peak strength of the rock specimens increases as homogeneity increases and crack propagates smoothly until brittle fracture takes place.
结果表明,在均质度较高的巖石试件中,巖石强度相对高,并且裂纹扩展表现出很强的脆性;
the results of this peper provide a basis for the analyses and judgements for problems of brittle fracture in engineering fracture problems.
为工程中的裂纹体的脆性断裂分析与评定,提供了必要的计算依据。
an overview of the recent progress in the theoretical study of relationship between grain-boundary segregation and brittle fracture is provided.
综述和简要评价了晶界偏聚和材料脆性断裂之间关系的理论研究进展情况。