1.Constant amplitude reversed cyclic load tests were simulated with the aid of software MSC/Fatigue. Fatigue life predictions can be made for this class of connection using relationships analogous to the well-known Manson-Coffin strain-life equation for metals.
本文使用MSC/Fatigue软件进行了常幅偏移下的性能分析，类似于著名的Manson-Coffin公式，建立了所研究节点的塑性转角和寿命的关系。
2.The test of coffin model thermal-fatigue in notched plate specimen of the4Cr5MoSiV1 steel has been made, by self-made testing machine of the highfrequency heating and the draught quenching.
利用自制的高频感应加热、吹风冷却式试验机,对4Cr5MoSiVl钢缺口板状试样进行了Coffin型热疲劳试验。
3.The paper explains the general problems in the use of Manson-Coffin equation according to residual tests of low-cycle fatigue (LCF) data of GH4049 superalloy.
以GH4049合金低周疲劳数据分析为例,以数据残差检验为基础,说明应用Manson-Coffin方程时普遍存在的问题。
4.The external constraint test of the coffin model for two kinds of deposited metals,called the 3Cr2W8 and HM3,is conducted.
对两种模具钢堆焊金属(3C r2W 8和HM 3)进行了外加约束Coffin型热疲劳试验。
5.The fatigue data obtained for 2091 Al一Li alloy(2091T8)and its welded Joints,both as-welded(2091W)and heat treated(2091WHT)were found to fit well into a new stress fatigue formula,The expressions for fatigue life show-ing existence of the fatigue threshold were achieved,Compared with Man-son-Coffin’s formula,the new formula used in this paper can be considered more successful and reasonable in fitting the fatigue data.
采用新的应力疲劳公式对2091铝锂合金T8态（2091T8）、焊态（2091W）及焊后热处理（2091WHT）的板材的疲劳试验结果进行了拟合，得到了具有理论疲劳极限的S－N曲线数学表达式。 与文献中采用Manson－Coffin公式拟合结果相比，认为本文采用的新的应力疲劳寿命公式的拟合结果更为成功和合理．
6.Modification of manson coffin formula at room temperature
室温 Manson-Coffin 公式的一种修正
7.Compared with Manson-Coffin equation, the formula is more accurate and applicable. It is not only providing a convenience to solve the practical problem, but also innovating in theory.
与Manson-coffin公式相比，公式具有的准确性和适用性，不仅为工程实际问题的解决提供了方便，而且在理论上具有创新性。
8.By the new (equivalent) strain equations, M-C(Manson-Coffin)fatigue models of Zr-4 alloy were obtained based on (the strain) fatigue test results of Zr-4 alloy.
由应变等效方法和疲劳试验结果,得到了Zr 4合金的M C(Man son Coffin)寿命估算模型.
9.The strain energy damage model (SEDM), namely, a modification of Man-son-Coffin equation, has been developed to predict the life of thermal fatiguewere done to 5Cr2NiMoVSi (5Cr2 for short) and 5CrNiMo tool steels.
本文提出的应变能法是采用能量损伤观点对 Manson-Coffin的应变幅——寿命法(M-C公式)的修正,用以予测热作模具钢5Cr2NiMoVSi、5CrNiMo的热疲劳的寿命。
10.In the fatigue life prediction of engineering structure, Palmgrem-Miner linear accumulative damage theory (called Miner theory for short) has found the widest application, and Manson-Coffin formula is a very important strain-life expression used in the local strain method.
在结构疲劳寿命计算中,Palmgrem-Miner理论(简称Miner理论或Miner公式)是应用最广泛的线性累积损伤理论,而Manson-Coffin公式则是局部应力应变法中十分重要的应变-寿命关系式。
