Crack propagation usually begins slowly.

裂纹的增长常常是开始缓慢.

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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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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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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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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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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 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 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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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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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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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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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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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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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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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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