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- fatigue strength limit 疲劳强度极限
- 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。
- The quality of joint has much effect on the age limit of airplane. The fatigue strength can be improved by using interference-fit joint in metal joint-structure. 连接质量极大地影响着飞机的寿命，干涉配合连接能成倍提高接头的疲劳强度。
- 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。
- 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!
- 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。
- Compared with urban children, the children of farmers can use the school education, school conditions and teacher strength limitedly. 由于流入地政府无法获得国家配置给农民工子女的教育经费，同时又不愿将已有资源共享，国家又不给流入地政府拨款补贴，“三无”现状将农民工子女置于无人管境地。
- 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。
