查询词典 fatigue of metal

The maximum likelihood function of the fatigue life was proposed based on the maximum likelihood principle, and it was born out that the maximum likelihood method could be used for the fatigue analysis.

基于极大似然原理，推导出关于疲劳寿命的极大似然函数，并证明了将极大似然方法用于疲劳分析的可行性。

The Parabola Hypothesis corrected by the authors. The authors have used this method on computer to get the bending fatigue test data of carburized and quenched gears and the fatigue limiting stress distribution. Furthermore, the...

然后对渗碳淬火钢齿轮的弯曲疲劳试验数据用JFKC法进行计算，得到了它的疲劳极限应力分布，并对比其相应的成组试验法测定的疲劳极限应力分布进行了分析和讨论。

Specimens d 16 Mn steel were designed and machined based on the test standard. Fatigue test of these specimens were conducted on MIS 810 with three test protocols, and acoustic emission data were collected by LOCAN 320 to study the 16 Mn steel AE character during the fatigue test.

文章摘要：根据有关标准，设计加工了16Mn钢试样，并运用LOCAN 320声发射仪、MIS 810疲劳实验机和声发射传感器，用3种不同的试验方案，采集16Mn钢材料疲劳过程中的声发射（Acoustic Emission，AE）信号特征参数，用于分析其疲劳过程中的声发射特性。

The total fatigue damage distribution is analyzed based on a Markov chain of the fatigue damage.

基于应力损伤的马尔可夫性研究了应力总损伤的分布规律。

This fatigue fracturel model is fit for biomechanical study of metatarsal fatigue fracture,""

本实验所建立的骨折模型为跖骨疲劳性骨折的生物力学研究提供了一个较为理想的方法。

On the other hand, the mill housing works under pulsating load, so the fatigue damage can take place. With Miner formula and the P-S-N curve of the mill housing, fatigue life is predicted through being programmed in FORTRAN language.

另一方面，由于机架是在脉动载荷下工作，有发生疲劳破坏的可能，本文采用修正的Miner法则，结合机架的P-S-N曲线，通过FORTRAN语言编制程序，预测了机架的疲劳强度可靠性寿命。

Opuntia Milpa Alta prolonged the exhausted swimming time of mice notably, strengthened the LDH activity, accelerated the removing of the LA and BUN, strengthened the SOD activity of liver and skeletal muscle, accelerated the removing of the MDA content of liver and skeletal muscle, demonstrated positive Anti-Movement-Fatigue function. We inferred one of Anti-Movement-Fatigue mechanism was that Opuntia Milpa Alta could increase the exercise ability and load adaptive capacity of the organism and accelerate the removing of metabolites.

米邦塔仙人掌能显著延长运动组小鼠力竭游泳时间，增强运动小鼠的乳酸脱氢酶活性，加快血清乳酸和尿素氮的清除，增强运动小鼠肝脏、骨骼肌超氧化物歧化酶活性，加快肝脏、骨骼肌丙二醛的清除，显示出了积极的抗运动性疲劳作用，并推测其抗运动性疲劳的机制之一是通过增强机体运动能力和负荷适应能力，加快代谢产物的清除起作用。

The fatigue model parameters are determined based, on the low cycle fatigue test of the MSD and the achievements of past study.

利用低周疲劳试验结果和前人的研究成果确立了本文阻尼器的疲劳验算式。

Mechanics mechanism of thermal fatigue and the affection of assembly temperature on thermal fatigue life were studied by using finite element method in consideration of the multilinear kinematic hardening of a material.

考虑材料的多线性塑性随动强化性质，采用有限元方法研究了热疲劳过程的力学机理和安装温度对热疲劳寿命的影响。

A simple sample with crack is analyzed on thermal fatigue applying finite element method and multilinear kinematic hardening rules of material, based on which the processes and rules of the thermal fatigue crack opening are studied.

用有限元方法并考虑材料的多线性随动强化性质对带有裂纹的简单试件模型进行热疲劳分析，研究热疲劳裂纹张开的过程和规律。

Green function defined inphase space differs from one in coordinate space by its struc-ture which exhibits nonlocatity in coordinates and oscillatorybehavior with respect to momenta.

在相空间中定义的Green函数不同于通常坐标空间的Green函数，在结构上显示出对坐标的高度非局域性，而对动量则显示出振荡行为。

The upper front part of a saddle;a saddlebow.

前鞍桥马鞍前面的上部分；前鞍桥