crack propagation

Grain size had some effect on the rate of crack propagation.

晶粒尺寸大小对裂纹扩展速率也有影响.

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Meanwhile , this work shows that crack propagation is limited and stable under cyclic compression.

研究表明,裂纹在循环压缩载荷作用下的扩展能力是有限的、稳定的.

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The reliability analysis of fatigue crack propagation life of autofrettaged thick-wall cylinder

自增强厚壁圆筒疲劳裂纹扩展寿命的可靠性分析

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High-strength alloy steels can experience rapid crack propagation from stress corrosion under certain loading conditions.

高强度合金钢在一定的载荷下承受应力腐蚀会造成裂纹的快速扩展.

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An approach for modeling rock crack propagation using discontinuous deformation analysis DDA method is presented.

提出一种用非连续变形分析方法模拟岩石裂纹扩展的方法.

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Crack propagation usually begins slowly.

裂纹的增长常常是开始缓慢.

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Under the action of outer load, crack propagation process of concrete is simulated and analyzed.

以此来模拟分析出在外力作用下混凝土材料的裂纹的扩展过程.

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Intergranular fracture. Fracture of polycrystalline materials by crack propagation along grain boundaries.

多晶材料裂纹沿着晶界扩展而断裂.

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Thermal shock resistance results showed high resistance of crack propagation.

热冲击实验表明，有较好的抗裂纹扩展能力。

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The hot wear mechanism, thermal fatigue crack initiation and propagation as well as the effect of the micro-structures and properties of materials are studied by means of optical metallograph, SEM, image analysis, debris analysis and high temperature hardness test.

结合光学金相、电子扫描、图象分析、磨屑分析、高温硬度试验等方法，对轧辊材料的磨损机制，热疲劳裂纹的萌生和扩展以及材料组织性能产生影响的原因进行了分析说明。

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Large scale application of this SEN shows that the unique thermal conduct and crack propagation properties of porous layer remarkably increase the thermal-shock resistance of the SEN, and the doping of fine powders of Al2O3 in the slag-line enhances the erosion resistance of the SEN.

现场大批量应用的结果表明，利用多孔材料特殊的热传导特性、裂纹扩展特性以及超细粉末的表面性质，显著增强了FTSC薄板坯连铸浸入式水口的抗热震性能和抗渣侵性能。

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Fatigue lifetime of valve springs contains two parts: lifetime crack initiation and another for crack propagation.

疲劳寿命一般包括疲劳裂纹萌生寿命和裂纹扩展寿命两部分.

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An increment iteration method is used to solve the crack propagation problem.

使用一种增量迭代法求解裂纹的扩展过程.

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A parameter Δ W is proposed from energy aspect to characterize the capacity of crack propagation. The in-phase thermal fatigue life is the same as the out-of-phase thermal fatigue life for identical Δ W values.

从能量角度提出了一个用于描述裂纹扩展能力的参量ΔW，在相同ΔW值下，同相热疲劳寿命和异相热疲劳相等。

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The paper focused on the discussion on agglomeration and coating crack propagation during oxide ceramic manufacturing.

探讨了它们各自适用的范围,并重点讨论氧化物陶瓷材料制备过程中粉末团聚和膜裂纹扩展等有关问题.

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Criteria for crack propagation of ceramic materials are deduced from nonlocal elasticity theory in this paper.

本文根据非局部弹性理论推导了陶瓷材料的裂纹扩展准则.

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Transgranular fracture. Fracture of polycrystalline materials by crack propagation through the grains.

多晶材料裂纹穿过晶粒扩展而断裂.

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The fracture procedure is a whole process of crack initiation, crack propagation and final fracture.

材料断裂过程为裂纹萌生 、 扩展和最后断裂过程,组织及实验条件对材料断裂有较大影响.

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The coalescence between short cracks leads to crack propagation and the crack path is predominantly transgranular.

短裂纹的汇合造成裂纹发展且裂纹路径以穿晶为主.

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The rolling contact fatigue life was found to be markedly related the subsurface crack propagation angle.

理论分析和试验结果表明,接触疲劳寿命与次表面裂纹扩展角之间存在着明显的对应关系.

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