片语

crack steady extension裂纹稳态扩展

crack propagation[力] 裂纹扩展

crack fatigue extension rate裂纹疲劳扩展速率

crack stable extension裂纹稳态扩展

Unstable crack extension不稳定裂纹扩展

multi-crack extension多裂纹模型

crack extension force[力]

Multilayer Crack Extension多重裂延理论

crack extension resistance curve裂纹扩展阻力曲线

Virtual Crack Extension Method虚裂纹扩展法

crack growth[力] 裂纹扩展；龟裂增长

英汉例句

• this result supports previous fracture models that are based on absolute reaction rate theory and predicts an exponential dependence of crack extension rate on applied stress intensity.

  此结果支持了基于绝对反应速率理论的光纤断裂模型，并预测了裂纹扩张速率与外部应力强度的关系。

• this treatment has an effect on delaying the crack extension and hence suppressing its cracking.

  这一处理方法起到延缓裂纹扩展、抑制起裂的效果。

• the virtual crack extension method has been utilized to simulate the j-integral of non-uniform welded joints.

  采用虚拟裂纹扩展法对焊接接头力学不均匀体的断裂参量j积分进行了数值模拟分析。

• 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。

• the outlined models for estimation of crack extension angles rely purely on the stress intensity factors at the crack tip which can be determined by finite element procedures.

  用这些模型预测裂纹扩展角时，参数都归结为裂尖处的应力强度因子，而应力强度因子可以用有限元方法求得的。

• the directions of crack extension obtained from the sp measurement agree with those evaluated one from the hydraulic fracturing stress measurement.

  通过自然电位确定的裂缝扩展方向与水压致裂应力测量的水平最大主压应力方向一致。

• the whole life of an equipment part consists of the crack forming life (i. e. , the fatigue life or the damage accumulation life) and the crack extension life.

  机械零（构）件的寿命由裂纹形成时间（即疲劳寿命）和裂纹扩展寿命两部分组成。

• suitable heat treatment will increase the crack extension energy, and improve the plasticity of the composite.

  适当的热处理可提高裂纹扩展所需塑性功，从而在一定范围内改善复合材料塑性。

• on the basis of the mechanism, mathematical model of corrosion fatigue crack extension velocity is established and effective methods of solving the model are gained.

  在此基础上，建立了腐蚀缺陷裂纹扩展速率的数学模型，并提出了求解此数学模型的有效方法。

• the impact toughness, crack forming energy and crack extension energy of complex modified medium manganese austenitic steel. are increased by 263%? 288% and 232% respectively.

  复合变质中锰奥氏体钢的沖击韧度、裂纹形成功和裂纹扩展功分别比原来提高了263%、288%和232%。

• also, the crack extension time decreases with the increase of material creep index and the loading of overlying strata rock while it increases with the increase of tensile strength of roof rock.

  断裂孕育时间随材料的蠕变指数、上覆巖层压力的增大而减小；裂隙扩展时间也随材料的蠕变指数、上覆巖层压力的增大而减小，但随巖石的抗拉强度增大而增加。

• at the same time, the example of crack extension of rock under compression is given to show the validity of th…

  最后以受单向压缩的裂纹扩展为例，说明了具体的计算模拟过程。

• a real-time display system for crack extension on aero structure intensity experimentation is introduced, including the architecture, functions and modules of software and its application.

  简要介绍了飞机结构强度试验裂纹扩展显示系统软件的系统组成、程序结构、基本功能、应用等。

• the multiple virtual crack extension (mvce) method proposed by authors is extended to a new general numerical method-finite variation method (fvm).

  将作者提出的多虚拟裂纹扩展法（mvce法）拓展为求解变分型积分方程问题的一种新型数值方法——有限变分法（fvm）。

• in order to predict effects on machined surface by developed notch-crack, crack extension mechanism of notch-crack-tip was investigated in cutting brittle materials.

  为预测缺口裂纹对加工表面形成的影响，研究了切削脆硬材料时缺口裂纹的扩展。

• theoretical study shows that the crack extension under shear loading is caused by tensile stress, and it does not belong to shear fracture.

  理论分析证明，在剪切载荷作用下裂纹扩展是由于拉伸应力引起的，并非剪切破坏。

• only if this short crack extends long enough and blunted wide enough, can it affect the principal crack extension and the distribution of stress and plastic strain.

  只有小裂纹扩展到足够长并钝化到足够宽，才能够影响主裂纹的扩展及其前端应力、应变的分布。

• with the variational principle of variable boundary, we study the crack extension on elastoplastic conditions.

  应用可动边界变分问题的理论研究了弹塑性理论的裂纹扩展问题。

• based on the experimental investigation, a strength criterion of three dimensional crack extension for rock concrete interface is established.

  在试验研究的基础上，建立了巖石与混凝土结合面三维裂缝扩展的强度準则；

• based on the boundary variational theorem, the energy release quantity and energy release rate(dynamical crack extension force) along the crack boundary are obtained.

  由此求得动态裂纹扩展时，沿裂纹边界的能量释放量和能量释放率（动态裂纹扩展力）。

• the key to properly interpreting the fatigue of high strength optical fibers is the application of a fracture-rate law in which the crack extension rate increases exponentially with applied stress.

  合理解释高强度光纤疲劳行为有利于对光纤表面裂纹扩张速率随外部应力指数增加的断裂速率定律的应用。

• the crack growth rate without the influence of crack surface contact was determined by extrapolating the relationship between the crack growth rate and the crack extension to the zero crack length.

  通过外插裂纹扩展速率与裂纹长度之间的关系， 可近似得到裂纹长度为零时无裂纹面滑移接触影响的裂纹扩展速率。

• then single aggregate concrete specimens is established, the influence of interface strength to the macro-strength is discussed, while the shape of aggregate on the crack extension is investigated.

  建立单颗骨料混凝土试件，探讨界面强度对混凝土宏观强度的影响，同时探讨骨料形状对裂纹扩展的影响。