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- mean fatigue life curves 中值疲劳曲线
- The fatigue test results have also shown the effect of strengthening mechanism and confirmed the presence of a break in the fatigue life curve in age hardened aluminum alloys. 疲劳试验结果还显示了强化机制的影响，证实了时效强化合金疲劳寿命曲线的双斜率的存在。
- The ultimate fatigue strength is 25.42 kN obtained from fatigue life curve of CFL strengthened RC beams,which is about 58.5 percent of the ultimate loading under static loading. 根据CFL增强RC梁的疲劳寿命曲线得到其极限疲劳强度为25.;42 kN;为三点弯曲静载下极限承载力的58
- APPROXIMATE FUNCTION BASED MATHEMATICAL MODELING IN FATIGUE LIFE CURVES 近似函数用于疲劳寿命曲线的数学建模
- The fatigue life increases with increasing modulus of base material in a power function. However, the fatigue life can not infinitely increases with increasing modulus of the base. With an ascending segment, the fatigue life curve tends to a constant. 沥青面层的疲劳寿命随着基层材料模量的增加呈幂函数的形式增加,但由疲劳方程可以看出,寿命并不是随基层材料模量的增加而无限的增加,疲劳曲线在经过一个上升段后,逐渐趋于一个常数值,这说明,这时基层模量对寿命已不作关键性贡献;
- An Analytical Formula for Calculating Fatigue Life? 一个估算疲劳寿命的解析公式?
- The prediction model of coiled tubing fatigue life. 连续油管疲劳寿命预测模型的建立。
- Based on welded joints S-N curves provided by IIW standard and dynamic stress spectrum tested on line, fatigue life prediction for welded frame of speed-up bogie is given. 通过与IIW标准中提供的焊接接头结构的对比分析，提出对某提速客车转向架焊接构架的定位座根部焊接结构进行打磨的改进方案。
- 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。
- The residual deformation around the hole was measured by digital speckle correlation technique and the relation curves of residual strain at the side of hole vs fatigue life cycles were obtained. 再应用数字散斑相关技术测量了不同疲劳循环次数后孔周的残余变形场，并给出了孔边最大残余应变与疲劳循环次数的关系曲线。
- Study on Characteristics of the Fatigue Life Curve and Its Application in Optimization of Automotive Components Fatigue Tests 疲劳寿命曲线特性研究及在汽车部件疲劳试验优化中的应用
- By fatigue test of bolt material,the stress-strain life curve is obtained. 通过螺栓材料的疲劳试验,获得了材料的应力应变寿命曲线;
- In this paper, The Method of a transforming into DFR from S-N Curves and constant life curves is presended. 本文从DFR的定义出发,介绍了由S-N曲线和等寿命曲线获得DFR值的转换方法,通过算例说明了详细地计算过程。
- 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。
- Fatigue life curve 疲劳寿命曲线
- 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。
- 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?
