片语

dynamic crack propagation裂纹动态传播

crack fatigue propagation rate裂纹疲劳扩展速率

crack-propagation velocity裂纹扩展速度

crack extension[力] 裂纹扩展；裂纹扩张

crack rapid propagation裂纹快速扩展

crack growth[力] 裂纹扩展；龟裂增长

crack dynamic propagation裂纹动态扩展

fatigue crack propagation rate疲劳裂纹扩展速率

crack random propagation裂纹随机扩展

crack-propagation test裂纹扩展试验

crack propagation criterion裂纹扩展判据

英汉例句

• the crack propagation presents evident threshold characteristic under different stress ratio r. the crack propagation threshold value k th decreases with the increase of r.

  不同的应力比下，裂纹扩展呈现明显的门槛值特征，随着应力比的升高，裂纹扩展的门槛值降低。

• 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。

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

  从选材角度对比分析了几种铝合金的动态断裂韧性及裂纹扩展阻力。

• the researches of fatigue crack propagation based on dissipated energy density are more significative.

  本文提出了以耗散能密度作为参数来描述疲劳裂纹扩展。

• 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巖石裂纹扩展的方法。

• the oxidation degree of grain boundaries and crack propagation are qualitatively analyzed based on crack density and percentage of intergranular crack.

  用裂纹密度和晶界裂纹的比例对晶界氧化的程度及裂纹扩展情况定性地加以分析。

• the tensile fracture morphology of pet fibre consists offibre fracture source, crack propagation extent and ultimate fracture region.

  聚酯纤维的拉伸断裂端由纤维断裂源、裂纹扩展区以及快速断裂区组成。

• in this paper, various influencing factors of the crack propagation rate of superalloy are concluded, including external factors and internal factors.

  总结了高温合金的裂纹扩展速率的各种影响因素，包括外部因素和内部因素两大类。

• a study on the prediction of corrosion fatigue life has been carried out by applying the crack propagation rate formula for fatigue to corrosion fatigue.

  将有效的疲劳裂纹扩展速率表达式应用于腐蚀疲劳，对腐蚀疲劳裂纹扩展寿命估算进行了初步探讨。

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

  根据裂纹扩展方式的变化，对氢致裂纹萌生和扩展机制进行了讨论。

• crack propagation is affected by many factors, among which, the crack tip plastic zone attracts a lot of attention.

  影响裂纹扩展的因素有许多，这其中，裂纹尖端塑性区引起众多研究者的兴趣。

• based on status in quo of the interface crack propagation of the isotropic bi - material, the exiting problems and the tendency of the research are proposed.

  在对各向同性双材料界面裂纹扩展研究现状进行综述的基础上，提出了目前研究存在的问题以及今后的研究趋势。

• the experimental results have showed that the wear of wc-steel composite structures is a delamination wear of crack propagation controlling mechanism under the lubricating sliding contact condition.

  实验结果表明：在高应力、滑动及润滑条件下wc-钢复合材料的磨损是裂纹扩展速率控制的剥层磨损。

• 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的拉拔特性对基体裂纹扩展的影响关系。

• 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。

• 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，没有明显的宏观变形。

• the behaviour of corrosion fatigue crack propagation in 4330m steel in distilled water has been investigated.

  本文对4330m钢在蒸馏水中的腐蚀疲劳裂纹扩展速率进行了定量研究。

• the theoretical deduction shows that the critical stress of crack propagation and critical crack length deduced from nonlocal theory are much greater than those deduced from lefm.

  理论推导表明用非局部理论推导的裂纹扩展临界应力与临界裂纹长度都要比用线弹性断裂理论（lefm）推导出来的大得多。

• the crack propagation law is described using damage mechanism.

  借用损伤机制描述裂纹扩展规律。

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

  短裂纹扩展研究：微观组织结构对疲劳短裂纹扩展的影响程度取决于裂纹的长度。

• 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的应变能释放率，并对裂纹扩展寿命进行计算。

• 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，本文提出了一种简便的假设，是一家生产领域，大小决定了裂纹扩展速度。

• micro characteristic of cracks propagation research: the path of crack propagation in the heat-affected zone and weld metal is the mix of transgranular and intergranular.

  裂纹扩展的微观特征研究：在热影响区与焊缝区的裂纹扩展均为沿晶与穿晶混合型。