• 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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  • 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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  • Size of reinforcement bar significantly affected the fatigue life of materials, the larger the matrix space can make more resistance to crack propagation.

    增强尺寸材料疲劳寿命影响较大较大基体空间可以裂纹扩展增加更多阻力

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  • Fatigue life prediction from the initial crack size to failure based on long crack propagation at different zones of welded joint was made by using j.

    焊接处微观结构缺陷尺寸作为初始裂纹尺寸,采用基于裂纹闭合寿命预测模型,以焊接区域不同位置的裂纹扩展速率曲线作为基线,利用J。

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  • The fatigue crack initiation life for pipeline connection assemblies is also predicted. The fatigue crack propagation path is analyzed and the fatigue crack propagation life is predicted.

    进一步,预管路连接件裂纹萌生寿命预测裂纹扩展路径并预估了疲劳裂纹扩展寿命。

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

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

    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

    youdao

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