It is necessary to elaborate on the definition of a fatigue coefficient such as that for ductility.
有必要对疲劳系数，如延性系数的定义作详细讨论。
It is important ensuring of safe running to select rope with adequate safety coefficient, to strengthen maintenance inspection and fatigue level monitoring of wire rope.
选择足够安全系数的钢丝绳、加强钢丝绳维护检查和钢丝绳疲劳程度的监测，是安全运行的重要保证。
Strain fatigue and stress fatigue are related by the influence coefficient of strain distribution.
通过应变分布影响系数把应变疲劳与应力疲劳联系起来。
The research ideas as well as (approaches) have provided useful reference of multiple-line coefficient for fatigue check and computation of four-line and multiple-line steel truss bridge.
该研究思路和方法也为四线钢桁梁桥及更多线钢桁梁桥的疲劳检算多线系数研究提供依据。
A modifying coefficient of load frequency is used to describe the effect of load frequency on fatigue behavior in ultrasonic fatigue testing.
采用一个超声加载频率修正系数对超声疲劳性能试验中载荷频率对疲劳性能的影响进行修正。
It is necessary to elaborate on the definition of fatigue coefficient.
有必要对疲劳系数的定义作详细的解释。
The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation.
预应变可以延长疲劳裂纹形成寿命，提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值；
In chapter 2, the fatigue mechanism of automobile half shaft is studied; and intensified coefficient model based on fatigue failure theory and programmed load spectrum technology is also provided.
第二章研究汽车驱动桥半轴疲劳破坏机理，在零件疲劳损伤理论和程序载荷谱处理技术基础之上给出路面强化系数模型。
Then the effect of Stress Concentration and the Stress Gradient were introduced into the prediction of fatigue life through Correction Coefficient of Stress with the wider suitable life scope.
通过应力修正系数对危险点最大应力进行修正，将应力集中和应力梯度效应引入到寿命的估算中，因而扩大了传统的应力寿命法可适用的寿命范围。
This article has given one kind of method based on the fatigue damage theory to compute the enhancement coefficient.
本文给出了一种基于疲劳损伤理论的计算强化系数的方法。
This article has given one kind of method based on the fatigue damage theory to compute the enhancement coefficient.
本文给出了一种基于疲劳损伤理论的计算强化系数的方法。
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