片语

crack random growth裂纹随机扩展

fatigue crack early growth疲劳裂纹早期扩展

crack-growth trajectory裂纹扩展轨迹

surface crack fatigue growth pattern表面裂纹疲劳扩展形貌

slow-crack-growth慢速裂纹扩展

Crack unsteady growth裂纹非稳定扩展阶段

Crack stable growth stage裂纹稳定扩展阶段

crack propagation[力] 裂纹扩展

crack-growth rate裂纹扩展速率

crack extension[力] 裂纹扩展；裂纹扩张

英汉例句

• the compliance method based on the crack opening displacement parameters was used to calculate the fatigue crack length, and the fatigue crack growth rate.

  采用柔度法通过试件缺口张开位移计算出裂纹长度，以确定疲劳裂纹扩展速率。

• 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来估算结构构件的疲劳寿命，这其中主要围绕裂纹扩展速率表达式展开研究。

• if the failure is defined as the final fracture of a component, then both s-n curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.

  如果都把一个构件的最终断裂作为疲劳破坏的定义，则s-n曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。

• 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试样高应变区的疲劳裂纹闭合效应和疲劳裂纹扩展速率。

• study of fatigue crack growth rate and fatigue life calculation under random loading is very important for the reliable life prediction of engineering structures.

  变化载荷作用下裂纹扩展律和疲劳寿命的计算对工程结构的寿命的可靠预测是十分重要的。

• results show that the development of creep makes the crack tip stress singularity in the weld and the driving force for crack growth increased.

  结果表明在外载恒定的情况下，蠕变的发展会使焊缝裂尖的应力奇性增加，裂纹扩展的驱动力增大。

• the crack growth rate was decreased with crack extension because of the sliding contact of the crack faces.

  随着裂纹的扩展，裂纹扩展速率由于裂纹面的滑移接触而减小。

• it is shown that a regular pattern distribution of scattered alloying zones which surrounded by phase transformation zone can retard the fatigue crack growth rate and improve the fatigue life.

  研究表明，大量规则分布、互不重叠的合金化区及其周围的相变硬化区从总体上降低了疲劳裂纹扩展速率，提高了材料的疲劳寿命。

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

  疲劳裂纹扩展率表达式是采用疲劳裂纹扩展理论预报疲劳寿命的核心。

• to predict the fatigue crack growth life of welded equipments at elevated temperature, a group of novel fatigue crack growth equations was proposed.

  为了预测焊接构件在中温环境下的疲劳裂纹扩展寿命，提出了一组新的疲劳裂纹扩展方程。

• the surface can be used for the prediction of crack growth life under a random loading spectrum and for structure damage estimation.

  利用该曲面可进行断裂损伤折算及随机载荷谱作用下构件裂纹扩展寿命估算。

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

  裂纹扩展曲线的建模是基于概率断裂力学的耐久性分析方法的前提。

• fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.

  疲劳寿命的计算采用断裂力学方法，建立疲劳裂纹扩展模型和失效模式的极限状态方程。

• the results show that the crack growth rates increase with temperature.

  结果表明：裂纹扩展率随着温度的升高而增大；

• the structure integrity of hk40 reformer tube is studied in respect of the controlling parameter of creep crack growth , the critical crack length and the residual life.

  分别从蠕变裂纹扩展的控制参数，临界裂纹长度及剩余寿命三方面对hk40转化管进行了结构完整性研究。

• especially the contribution to crack initiation life of the ground-air-ground circle in the crack growth formula is underestimated under the transport spectra.

  特别是运输机谱中的地—空—地循环，在裂纹扩展的公式中对裂纹形成寿命的贡献估计不足。

• experimental and analytical studies of effect of specimen thickness on fatigue crack growth behavior were carried out in domestic 2024 t351 aluminum alloy.

  进行了国产2024-t351铝合金在单峰过载条件下试样厚度对疲劳裂纹扩展性能影响的试验和分析研究。

• fatigue crack growth in a structure has become a concern to the prolonging of its lifetime.

  疲劳裂纹的生长已成为构件延寿工作关注的焦点。

• 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下孔边角裂纹扩展过程的方法。

• based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively.

  根据试验结果，得到了花岗巖亚临界裂纹扩展速度与应力强度因子之间的关系和花岗巖的断裂韧度。

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

  对多种碳素钢在拉伸压缩和旋转弯曲负载下的微小裂纹扩展速率进行了研究。

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

  对于蠕变裂纹扩展的分析研究还是处于初期阶段，还有许多事情有待于认识和完成。

• consequently , the crack growth rate under constant amplitude loading can be rewritten as a comprehensive equation with different thicknesses and stress ratios.

  对常幅下裂纹扩展速率首次获得同种材料在不同厚度、应力比和载荷水平下的统一描述。

• based on micromechanical analysis of the cavity growth and coalescence with the main crack tip, creep crack growth formulas were derived by using creep j integral parameter j and cod rate parameter δ.

  根据孔洞增长和与主裂纹顶端会合的微观力学分析，用蠕变j积分参量和裂纹张开位移速率推导出蠕变裂纹扩展公式。