材料中的杂质影响疲劳寿命。
热处理对疲劳寿命无显著影响。
The effect of thermal treatment on fatigue life is not obvious.
介绍了损伤容限疲劳寿命设计新概念；
The new concept of damage tolerance fatigue life design was introduced.
编制载荷谱、估算裂纹处的疲劳寿命。
Based on these the fatigue life of the crack region were estimated.
二者寿命之和为焊接结构的总疲劳寿命。
图中用车辆行驶里程度量车轮的疲劳寿命。
The fatigue lives were measured by the running distance of the wheel.
比较了不同初始裂纹尺寸对疲劳寿命的影响。
Effect of different initial crack sizes on fatigue life was compared.
本文的主要内容是预测车身骨架结构的疲劳寿命。
The main content of this article is to predict the fatigue life of the body.
不同的是该材料的疲劳寿命曲线的应力范围比较窄。
But the stress changing range in fatigue life curve is narrow.
摘要：产品的疲劳寿命是现代设计的一个重要指标。
Abstract: the fatigue life of the product was an important characteristic of modern design.
进行了齿轮的接触应力及接触疲劳寿命有限元分析。
Gear's contact stress and contact fatigue life was calculated by finite element method (FEM).
机械 构件的疲劳寿命是其可靠性的一个重要指标。
The fatigue-life of a mechanical part is a very important index for its reliability.
减少连接螺纹弯曲应力可以延长钻具连接螺纹的疲劳寿命。
A novel drill tool threaded connection stress relief groove is proposed in the paper.
最后还给出了相应的表层组织结构分析和疲劳寿命试验结果。
At last, the corresponding analysis of surface structure and testing of fatigue life were given.
此外，利用线性累积损伤法则对蠕变-疲劳寿命进行了预测。
In addition, a linear damage summation method is chosen to predict creep fatigue lifetime.
采用偏心轮和弹簧结构，研制了口腔修复体疲劳寿命测试机。
Using eccentric wheel and spring, an instrument was developed in this study.
指出， 氧化脱碳引起疲劳寿命降低是该扭轴失效的主要原因。
The primary reason for lowering the fatigUe life is decarburization.
目的研究塔式起重机工程载荷状态，提供评估塔式起重机疲劳寿命的依据。
To evaluate the fatigue life of tower crane, research the load status of tower crane.
这些不确定因素导致构件的局部应力应变响应和疲劳寿命响应具有随机性。
The uncertainties result in the randomness of local stress, local strain and fatigue life.
除疲劳作用外，蠕变在转子的寿命损耗中也占有相当的比例。
Apart from fatigue, creep damage also plays an important role in the rotor damage.
起重机的安全寿命取决于其金属结构的疲劳强度。
Safety life of crane was determined by its fatigue intensity of metal structure.
疲劳试件失效寿命数据验证了方法的有效性。
Availability of this method was verified by the failure life data of fatigue sample.
最后算出裂纹疲劳扩展寿命。
最后算出裂纹疲劳扩展寿命。
应用推荐