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- Grain size had some effect on the rate of crack propagation. 晶粒尺寸大小对裂纹扩展速率也有影响。
- Approximate Calculation of Crack Propagation Rate of Metal Corrosion Fatigue 金属腐蚀疲劳裂纹扩展速率的近似计算
- rate of crack propagation 裂纹传播速率,裂缝扩展速度
- 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。
- The results have shown that the incubation period of crack nucleation decreases and the propagation rate of crack increases with increasing the cyclic temperature. 试验结果表明，随着循环温度的增高，裂纹形核孕育期缩短，裂纹扩展速率增大；
- The morphology of crack propagation indicate that there is the toughening mechanism of whisker's pull- out and crack deflection. 裂纹进展形态表明,存在晶须拔出及裂纹偏转增韧机制。
- It is an effective new method to make further analysis of crack propagation for blasting fracture with dynamic caustics. 应用爆炸加载的透射式动焦散线测试系统,分析了爆炸裂纹的扩展规律。
- The results show that the life of fatigue is increased remarkably,the period of crack initiation is delayed and the propagation rate of crack is decreased after RE N C B diffusion of the steel. 结果表明 ,稀土氮碳硼共渗处理后 ,4 5钢疲劳寿命显著提高 ,裂纹形成延迟 ,裂纹扩展速度降低。
- Abstract This paper studies the fatigue crack growth rate of GDL-1 bainite steel with high strength and toughness in different heat treatment conditions by fatigue crack propagation tests. 摘要 通过疲劳裂纹扩展试验，研究了不同热处理状态下GDL-1型高强韧贝氏体钢的疲劳裂纹扩展速率和疲劳裂纹扩展门槛值，得出了有价值有意义的结论。
- The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation. 结果表明,沿一次晶晶界的成分偏析对裂纹扩展阻力的降低作用是铸钢中贝壳状断口形成的主要原因。
- The model and arithmetic of IEM is introduced in the paper.The strength and process of crack propagation for tensile compression and three-point-bend are simulated by numerical analysis. 本文介绍了混凝土细观结构的界面元离散仿真模型计算方法，论述并验证了细观模型的正确性，对混凝土单轴抗拉试验、单轴抗压试验、劈裂试验、三点弯曲及裂纹扩展破坏过程进行了数值模拟。
- Except for a small length of web at the first fracture location, none of the cracks exhibited a brittle fracture mode of crack propagation. 除第一个断裂位置的一小段腹板外，没有一条裂纹显示出裂纹扩展的脆性断裂模式。
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- Defer effects of crack propagation of bogie 构架裂纹扩展延迟效应
- ANALYSIS OF CRACK PROPAGATION IN CONCRETE DAMS 混凝土坝裂纹扩展算法
- Numerical calculation results indicate that the motion parameter of crack propagating speed has little effect itself on zone structure at crack tip. 数值计算结果表明，运动参量裂纹扩展速度本身对裂尖场的分区构造影响很小。
- The rate of incidence of a disease. 发病率发生疾病的概率
- The approach of crack propagating in hard phase includes fracture of eutectic carbide, raw WC particle, interface of them and pinetree carbide. 裂纹优先在硬质相区扩展，扩展的方式及途径包括枝晶碳化物的脆断，原始WC颗粒和复式碳化物的开裂以及两者之间的界面脱离。
- The rate of inflation must be held down. 通货膨胀率必须控制在低水平上。
