• The crack propagation path follows some regularity on the whole.

    裂纹扩展路径总体遵循一定规律

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  • Short fatigue crack propagation is much accelerated by filled hydrogen.

    氢条件下,大大加速裂纹疲劳扩展。

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  • The results show that the failure of the tube is due to stress corrosion crack propagation.

    结果表明进气管断裂由于应力腐蚀裂纹失稳扩展所造成。

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  • A distribution function of two dimensional threshold is given for fatigue crack propagation.

    本文给出疲劳裂纹扩展门槛分布函数,建立二维应力—门槛值干涉模型。

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  • Special attention has been focused on the instability phenomenon associated with crack propagation.

    我们特别注意力集中裂纹扩张过程中的不稳定现象上。

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  • This is formed by the cracks oscillating about the centerline in the direction of crack propagation.

    由于裂纹传播过程中,裂纹尖端沿着传播方向中线上下振荡所形成的。

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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 formula of the fatigue crack propagation rate was directly derived from the fatigue damage criterion.

    通过疲劳损伤准则,导出疲劳裂纹稳定扩展速率计算公式。

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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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  • Fatigue crack propagation in a compressive residual stress field can be characterized with the closure effect.

    疲劳裂纹残余应力场中的扩展借助于裂纹合力来描述。

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  • According to the mode of crack propagation the mechanism of crack initiation and propagation was also discussed.

    根据裂纹扩展方式变化,对氢致裂纹萌生扩展机制进行了讨论

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  • Brittle fracture. Fracture that occurs by rapid crack propagation and without appreciable macroscopic deformation.

    通过快速裂纹扩展发生断裂没有明显宏观变形

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

    提出一种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 is affected by many factors, among which, the crack tip plastic zone attracts a lot of attention.

    影响裂纹扩展因素有许多其中,裂纹尖端塑性引起众多研究者的兴趣。

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  • The energy release rate for crack propagation depends only on the stress intensity factor and the material constants.

    电导通裂纹模型中的静电场对裂纹尖端扩展能量释放不作贡献。

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  • The fatigue crack growth rate is the core for predicting fatigue life by use of fatigue crack propagation (FCP) theory.

    疲劳裂纹扩展表达式采用疲劳裂纹扩展理论预报疲劳寿命核心

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  • An automatic compliance crack length measurement system for fatigue crack propagation test was used in the experiments.

    研究中应用一种柔度疲劳裂纹自动测量系统进行裂纹长度测量。

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  • From the view point of material selection, we analyzed their dynamic fracture toughness and crack propagation resistance.

    选材角度对比分析了几种铝合金动态断裂韧性裂纹扩展阻力。

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  • A conclusion that the acoustic emission rate depends mainly on the crack propagation rate is also verified by experiments.

    指出发射主要受裂纹扩展速率控制,结论得到了实验的证实。

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  • All the result demonstrated the relationship between the pull out property and the crack propagation in matrix qualitatively.

    实验结果定性地证明了纤维特性对基体裂纹扩展的影响关系

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  • The crack propagation characteristics of X70 pipeline steel in the synthetic soil solution under cyclic loading are investigated.

    试验研究X70管线模拟土壤介质中,循环载荷裂纹扩展特性和宏观规律。

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  • The fatigue crack propagation testing were completed for CT specimens of LZ50 axle steels with continuous casting and mould casting.

    完成连铸LZ50车轴疲劳裂纹扩展试验,得到了两类LZ50车轴钢疲劳裂纹扩展曲线。

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  • Fractures in the rich gas transportation pipeline was analyzed based on a crack propagation pipeline model for rich gas transmission.

    为了研究输送管道动态断裂的影响,建立了富气输送裂纹动态扩展管道模型

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  • According to this view, this paper puts forward a simple hypothesis, which is in the field, size decided the crack propagation speed.

    根据这种观点本文提出一种简便假设一家生产领域大小决定裂纹扩展速度。

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  • Short cracks propagation research: the degree of Microscopic structure influence to the fatigue crack propagation depends on crack length.

    裂纹扩展研究微观组织结构疲劳裂纹扩展影响程度取决于裂纹的长度

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  • Fatigue crack propagation behaviour under variable amplitude loading is significantly influenced by load history induced sequence effects.

    导致加载序列作用的加载历史极大地影响着变幅加载疲劳裂纹扩展行为

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  • By the application of complex functions theory, the dynamic crack propagation problems under the condition of anti-plane were investigated.

    采用复变函数反平面条件动态裂纹扩展问题进行研究。

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  • The strain energy release rate of the crack propagation was calculated by using virtual crack closure technique, and fatigue life was forecasted.

    采用虚拟裂纹闭合技术计算裂纹扩展应变释放裂纹扩展寿命进行计算。

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  • In this paper, a relative criterion method is presented for analysing the elastic plastic stable crack propagation under biaxial loading conditions.

    本文提出一个用相对准则分析双向载荷塑性裂纹稳定扩展的方法

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  • In this paper, a relative criterion method is presented for analysing the elastic plastic stable crack propagation under biaxial loading conditions.

    本文提出一个用相对准则分析双向载荷塑性裂纹稳定扩展的方法

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