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- 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。
- Nitrified gear metallograph influence on bend fatigue life 从显微组织分析渗氮齿轮的弯曲疲劳寿命
- Hard rolling at the transitional section could improve the surface hardness and induce compressive residual stress, therefore to extend it's rotary bending fatigue life. 在过渡圆角处进行表面滚压可提高表面强度及压应力,以延长活塞杆旋转弯曲疲劳寿命。
- New Method for Bending Fatigue Life Prediction of Gear 齿轮弯曲疲劳寿命有限元计算方法研究
- bend fatigue life 弯曲疲劳寿命
- An Analytical Formula for Calculating Fatigue Life? 一个估算疲劳寿命的解析公式?
- By strengthening under low amplitude loading,bend fatigue strength and life of gear teeth can be increased by 3.97 and 109 percents,respectively. 经过低幅载荷强化;该齿轮轮齿的弯曲疲劳强度提高了3.;97%25;弯曲疲劳寿命提高了109%25。
- The prediction model of coiled tubing fatigue life. 连续油管疲劳寿命预测模型的建立。
- Estimation on bending fatigue life of gears by considering load distribution among gear teeth 考虑齿间载荷分布的齿轮弯曲疲劳寿命估算
- The S-N curve, the mathematical relationship of bend fatigue strength or life to strengthening loads and strengthening cycles, the maximum increments of fatigue strength and life were obtained by experimental digital processing. 通过对试验数据的处理,得到了两种结构弯曲疲劳强度的S-N曲线、弯曲疲劳强度和疲劳寿命与强化载荷、强化次数之间的数学关系,以及经过低载强化后弯曲疲劳强度和疲劳寿命提高的最大幅度。
- STUDY ON CONTACT, IMPACT AND BENDING FATIGUE LIFE OF 42CrMo STEEL WITH M+F DUAL-PHASE STRUCTURE 42CrMo钢M+F双相组织接触疲劳、多冲疲劳及弯曲疲劳性能研究
- The fatigue life of 45 normalied steel would be decreased by prestretching. 微量的预应变会降低正火45钢的疲劳性能。
- bending fatigue life 弯曲疲劳寿命
- The results show that,in the mechanical bend fatigue test and three point bend test,the underfill material of U1 and U2 both can improve the mechanical bend reliability of BGA assemblies,and U1 material performs better. 结果发现在机械弯曲可靠性试验中,U1、U2材料的填充均能提高焊点的机械弯曲可靠性,并且U1的效果更好。
- The results indicate that EMR can improve the fatigue life of structure, and can drive interference-fit fastener with large interference. 研究结果表明,电磁铆接技术能够提高结构疲劳寿命,能够安装大干涉量干涉配合紧固件。
- A mean strain or prestrain, as in Fig. 83, can under certain conditions reduce the subsequent fatigue life. 一个如图83所示的平均应变或预应变,在某种情况下,能够缩短以后的疲劳寿命。
- Thermal fatigue life of solder joints is predicted using the Coffin-Manson's empirical modified formula. 在此基础上,利用Coffin-Manson经验修正公式预报了焊点的热疲劳寿命。
- And also the sensitivity analysis was done to the several key factors influencing the fatigue life of the vane. 并对影响其疲劳寿命的几种关键因素进行了敏度分析。
- A sort of efficient calculation method was developed for fatigue life prediction under random loading. 研究了一种用于随机载荷下试件疲劳寿命预估的有效计算方法。
- In recent years, how did SKF steel improve the ball bearing quality and fatigue life? 近年来瑞典SKF公司是如何提高其滚动轴承质量和寿命的?