fatigue crack

1. The effect of microstructure on propagation rate of fatigue crack was investigated by SEM and three point bending specimens with notch.
   用金相显微镜、扫描电镜（SEM）及带有切口的三点弯曲试样研究了显微组织对珠光体钢疲劳裂纹扩展速率的影响。
2. Application of Immune Algorithm in the Low-cycle Fatigue Crack Growth Rate of Steam Turbine Rotor
   免疫算法在汽轮机转子低周疲劳裂纹扩展速率中的应用
3. Influence of rolling contact fatigue loads on stress intensity coefficients of rail surface contact fatigue crack
   滚动接触疲劳载荷对铁轨表面接触疲劳裂纹应力强度系数的影响
4. The fracture of the fatigue samples was examined by SEM and the fatigue crack initiation and propagation mechanism was presented.
   对疲劳试样的断口进行了扫描电镜观察，阐述了疲劳断裂的特点。
5. Fatigue crack growth and fatigue life evaluation for welded steel bridge members with initial crack
   具初始裂纹钢桥梁焊接构件疲劳裂纹扩展和疲劳寿命计算
6. Finite element study of the effects of compressive load on the fatigue crack growth in Paris Region
   压载荷对疲劳裂纹在Paris区内扩展影响的有限元研究
7. Conventional ultrasonic NDT method is quite incompetence for the surface fatigue crack testing of in service rotary shaft.
   采用常规超声检测方法对在役转轴表面疲劳裂纹检测的效果很差。
8. Characteristics analysis of acoustic emission signals from steel specimens under tensile fracture and fatigue crack condition
   钢制试件拉伸断裂及疲劳开裂声发射特征分析
9. Sensitivity Analysis of Mechanical Parameters of Rail to Fatigue Crack Initiation Life
   钢轨材质参数对疲劳裂纹萌生寿命影响的敏感性分析
10. Influence of Strengthening Shot Peening on Formation and Extension of Fatigue Crack in Carburized Gear Surface
    强化喷丸对渗碳齿轮表面接触疲劳裂纹形成与扩展的影响
11. No evidence of fatigue crack extension was detected in the silver Memorial Bridge nor the Fremont Bridge.
    在西尔费纪念桥和弗里蒙特桥都没有检查出疲劳裂纹扩展的证据。
12. The temperature of duplex annealing has little influence on fatigue crack propagation behavior.
    该合金的疲劳裂纹扩展速率对退火温度不敏感。
13. This section will introduce the concept of Fracture Mechanics and initiation and growth mechanism of fatigue cracks, in particular, fatigue crack developed from welding defects.
    本节将介绍结构断裂力学概念，礼炮裂纹的起始和生长机理。尤其是从焊接缺陷开始的疲劳。
14. The Research on Low-cycle Fatigue Crack Growth Rate of Steam Turbine Rotor Steel Based on Immune-Genetic Algorithm
    基于免疫遗传算法的汽轮机转子钢低周疲劳裂纹扩展速率研究
15. The fatigue testing of the heterogeneous plates showed that the mechanical heterogeneity affected the fatigue crack growth rate.
    试验表明，力学不均匀性影响疲劳裂纹扩展速率。
16. Corrosion pitting also can lead to fatigue crack initiation depending on the component, the location of pitting, and cyclic loading conditions.
    腐蚀斑点还会因不同的部件、斑点的位置和循环载荷状况，导致一些不同的疲劳裂纹。
17. Study on Multiaxial Cyclic Stress of Varying Amplitude Fatigue Crack Growth Rate
    多轴变幅加载下疲劳裂纹扩展速度的研究
18. Relationship between Surface Length and Inside Length of Fatigue Crack in Ultra-high Strength Steel
    航空用超高强度钢疲劳裂纹表面长度与内部长度之间的关系
19. To meet the development of steels used for the large engineering machinery, fatigue crack growth rates of a high strength low alloy steel HG80 and welded joint were investigated.
    为适应大型工程机械焊接用钢需要，对低合金高强度钢HG80及其焊接接头的疲劳裂纹扩展速率进行了研究。
20. The behaviours of fracture, fatigue and fatigue crack propagation in a cast magnesium alloy are systematically studied.
    本文系统地研究了铸造镁合金的断裂，疲劳和疲劳裂纹扩展性能。
21. An investigation of the effects of mean and alternating stresses on short fatigue crack growth under uniaxial loading is reported.
    本文报道单向加载下平均应力和交变应力对疲劳短裂纹生长的影响。
22. Tempering temperature remarkably affect the threshold value of fatigue crack propagation.
    回火温度对该钢的疲劳裂纹门槛值影响显著。
23. The effect of RE modification and heat treatment on formation of thermal fatigue crack in low chromium wear-resistant cast iron was investigated.
    研究了稀土变质及热处理对低铬耐磨铸铁热疲劳裂纹形成的影响。
24. Study on Coupling Relation between Rolling Fatigue Crack and Wear of Rail
    钢轨滚动疲劳裂纹与磨损耦合关系研究
25. Effect of Hot Deformation on Dynamics of Thermal Fatigue Crack Propagation in Medium Chromium Semi-Steel
    热变形对中铬半钢热疲劳裂纹扩展动力学的影响
26. Particula emphasis has been devoted to the influence of load ratio and microstructure on behaviour of near-threshold fatigue crack growth.
    着重分析了载荷比和显微结构对门坎值附近裂纹扩展行为的影响。
27. Initiation Mechanics of Fatigue Crack at Weld Joint of High Strength Bridge Steel
    高强度桥梁钢焊缝疲劳裂纹萌生机理的研究
28. Influences of Welding Residual Stresses on Fatigue Crack Growth of Butt Weld Plate
    对接焊缝残余应力对疲劳裂纹扩展的影响

noun

1. a crack in metal resulting from metal fatigue