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- notch fatigue strength 切口疲劳强度
- Of gear foot and contact fatigue strength of gear profile. 齿根弯曲疲劳强度,齿面接触疲劳强度。
- A layer of hot-dipped galvanizing causes a considerable reduction in the fatigue strength. 热浸镀锌层引起疲劳强度的显著降低。
- However, a low fatigue strength detail or a large built-in defect may produce only a single significant crack. 但是，疲劳强度较低的细节部分或较大的内部缺陷可能只产生一条很大的裂纹。
- Gas cylinders. Fatigue strength testing under repeated pressurizing for liquefied or dissolved compressed gases. 气瓶。液化或熔解压缩气体气瓶的反复加压疲劳试验。
- And when shot peening treater, the fatigue strength of the chian will improve 12.3%. 经喷丸处理链条疲劳强度可提高12.;3%25。
- In view of this, the tranditional fatigue strength condition under nonsymmetrical circulation is incorrect. 由此可知，当前通用的非对称交变应力的疲劳强度条件是不正确的。
- The scope of the work included connecting strength,tightness and fatigue strength of the expansionjoints. 研究范围包括胀接结构的连接强度，密封即耐压性能，疲劳强度等。
- In this paper, the fatigue strength of the peened welde d joints under over loading is studied. 结果表明:经拉伸过载后,超声冲击处理焊接接头的疲劳强度有所下降,但并不十分严重。
- The hard second phase, for example martensite, contributed to the superior fatigue strength and higher threshold value. 较硬的第二相，如马氏体，贡献了出众的疲劳强度和较高的开始值。
- The experiments on notched specimens of an Aluminium alloy indicat that the notch fatigue life can be increased by a tensile over-pre loading but decreased by a compressive over-pre loading. 预过载拉伸可提高铝合金缺口疲劳寿命,但效果不及喷丸;过载量太大还使寿寿命趋于子下降。
- However, the current theory for fatigue strength design is based on Hertz theory which is only applicable to dry contact of smooth surfaces. 然而,现行的齿轮传动接触疲劳强度设计基于仅适用于光滑表面干接触的Hertz理论。
- With strength increases, the potential for further improving bend fatigue strength declined, while that of bend fatigue life improves. 随着结构强度的提高，弯曲疲劳强度的提高幅度呈下降趋势，但疲劳寿命的提高幅度呈上升趋势。
- So the effective technique to enhance fatigue strength of a joint is to adept the high grade electrode for the top layer welding. 采用高匹配方案是锤击法提高疲劳强度的有效技术途径。
- The new Matts HFS frame weighs just approximately 1,500g for an 18” frame, performing with great stiffness and extreme fatigue strength. 而且强调不因重量而忽略强度!用料实在却在对手求高利润的攻击话术之下!还真的有人不经思考真的相信了!
- The monitor is really a notch above us. 班长确实比我们略胜一筹。
- On the basis denoted above, calibrating calculation is conducted on its stiffness, static strength, fatigue strength and its stability. 在此基础上,对支架进行了刚度、静强度、疲劳强度和稳定性校核计算。
- Reviews the effecf of remanent stress on fatigue strength by the concept of average stress and fracture mechanics respectively. 从平均应力和断裂力学的观点评述了残余应力对材料疲劳极限的影响。
- The effect of proof testing on the fatigue strength of ceramic specimens is analyzed by means of the fracture mechanics approach. 应用断裂力学理论分析了保证试验对陶瓷试件造成的损伤及其对疲劳强度的影响。
- Defination of fatigue strength in unlimited fatigue design and forecasting judge in limited fatigue design are discussied in remanent stress field. 讨论了在残余压应力场中无限疲劳设计时疲劳极限的确定和有限疲劳设计时疲劳寿命的预测的判据。
