• The crack growth rate is linear with J-integral.

    扩展速率J积分有线性关系

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  • The flaking do increases and undulates the fatigue crack growth rate.

    中的白点能增加疲劳扩展速率使扩展速率发生波动

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  • Besides, the welding stress and wicked water accelerate the crack growth.

    同时焊接应力的存在水质不良加速裂纹的扩展。

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  • We present the improvement of two existing algorithms of multiple crack growth.

    现行两种裂纹扩展算法作改进

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  • Fatigue crack growth threshold is predicted based on materials cyclic plasticity.

    基于材料的循环塑性预测了疲劳裂纹扩展的门槛值。

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  • Debonding is a main form of interfacial crack growth of fiber-reinforced composites.

    脱粘纤维增强复合材料界面裂纹扩展主要表现形式

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  • An experimental study on the fatigue crack growth of GH4169 superalloy has been carried out.

    研究GH4169高温合金疲劳裂纹扩展性能进行了试验研究。

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  • The results show that the creep crack growth rates are strongly dependent upon the microstructure.

    研究结果表明:合金显微组织结构蠕变裂纹长大速率重大的影响。

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  • The fatigue crack growth curve from initial crack size till fatigue failure is simulated step by step.

    循环续循环模拟计算裂纹初始长度一直到疲劳破坏的扩展曲线

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  • We get valuable results about the effect of the stress ratio and residual stress on fatigue crack growth.

    应力残余应力疲劳裂纹扩展影响方面获得有价值成果

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  • The subcritical crack growth mechanism in brittle materials is studied from the viewpoint of mesomechanics.

    本文细观力学角度研究了高脆性材料亚临界裂纹扩展机制

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  • The fatigue crack closure and fatigue crack growth rate in the high strain region of SCT specimen are studied.

    本文研究了SCT试样应变区的疲劳裂纹闭合效应疲劳裂纹扩展速率

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  • Effect of experimental parameters on small fatigue crack growth threshold test in 9310 steel was investigated.

    针对9310研究试验参数疲劳裂纹门槛值测试结果影响

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  • A stochastic crack growth procedure which based on the determined crack growth model is presented in the paper.

    确定性袭纹扩展模型基础,建立了疲劳裂纹扩展的随机模型。

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  • The crack growth process is a continuous process of alternating crack-tip stretching and ductile crack cracking.

    裂纹增长过程一个裂纹尖端延伸延性裂纹启裂持续地交替出现的过程。

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  • Modeling of crack growth curve is the premise of the durability analysis based on probabilistic fracture mechanism.

    裂纹扩展曲线建模基于概率断裂力学耐久性分析方法的前提

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  • A study has been done over the small crack growth rate for kinds of carbon steels under push pull and rotating bending.

    多种碳素钢在拉伸压缩旋转弯曲负载下微小裂纹扩展速率进行研究

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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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  • The analytical investigation of nonlinear creep crack growth is in its infancy and much remains to be learned and done .

    对于裂纹扩展分析研究还是处于初期阶段,还有许多事情有待认识和完成。

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  • MAE can result in the capture of thousands of waveforms during a test, of which only a few will be the signals from crack growth.

    态声发射检测过程中采集几千个波形其中只有一部分裂纹生长所产生

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  • The paper describes a finite element simulation technique of the crack growth process in the homogeneous or inhomogeneous solids.

    讨论了材料断裂过程有限元模拟技术

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  • Both of these statements are based on the tacit assumption that the applied stress does not change during the crack growth process.

    这些结论建立理想假设上,实用应用裂纹扩展过程中不变

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  • This paper gives a comprehensive introduction and review of the models for predicting fatigue crack growth under spectrum loadings.

    本文对谱载荷预测疲劳裂纹扩展各种模型综合介绍评述

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  • The perforation performance is an important index of oil - layer casing representing the resistance to initial brittle crack growth.

    射孔性能油层套管很重要一项指标它代表着油层套管抵抗裂纹脆性扩展的能力。

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  • A method is proposed to simulate the fatigue crack growth by finite element technique for corner cracks under cyclic tension loading.

    给出了一种利用有限元技术模拟周期性张力载荷作用边角裂纹扩展过程的方法

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  • Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.

    考虑平均风速分布影响,建立随机荷载作用疲劳裂纹扩展模型

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  • Fracture mechanics is adopted to estimate the fatigue life of structural members, and among the rest, crack growth rate formula is studied.

    本文采用断裂力学方法估算结构构件疲劳寿命,这其中主要围绕裂纹扩展速率表达式展开研究。

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  • The analysis shows that the compressive loading has a significant contribution towards the crack tip plasticity and the fatigue crack growth.

    通过分析表明应力裂纹尖端塑性区疲劳裂纹的扩展显著影响

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  • The analysis shows that the compressive loading has a significant contribution towards the crack tip plasticity and the fatigue crack growth.

    通过分析表明应力裂纹尖端塑性区疲劳裂纹的扩展显著影响

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