疲劳寿命估算。
Impurities in its material affect the fatigue life.
材料中的杂质影响疲劳寿命。
The total fatigue life for welded structure is the sum.
二者寿命之和为焊接结构的总疲劳寿命。
The fatigue life was linear to the logarithmic maximum stress.
疲劳寿命与最大应力近似呈对数线性关系。
Effect of different initial crack sizes on fatigue life was compared.
比较了不同初始裂纹尺寸对疲劳寿命的影响。
Crey forecast method can be used to forecast the fatigue life of materials, too.
该方法也可用于材料的疲劳寿命预测。
At last, the corresponding analysis of surface structure and testing of fatigue life were given.
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。
The results can provide references for forecasting acoustic fatigue life of composite structures.
所得结果可以为预测复合材料结构的声疲劳寿命提供参考。
Analysis of structural dynamic performance and response is the foundation to estimate fatigue life.
薄壁结构的动力特性及动态响应分析是声疲劳分析以及寿命估算的基础。
So considering thermal aging effect to rubber may give an accurately result to predict the fatigue life.
因此，考虑热老化对材料性能的影响可能得到更准确的疲劳寿命预报。
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。
To discuss relative factors between fatigue life and wire rope with steel strand core or steel wire rope core.
讨论带有钢丝股芯或者钢丝绳芯的钢丝绳与其疲劳寿命相关的一些因素。
Over the years, Boeing has probably accumulated more data on the fatigue life of airframes than any other plane-maker.
多年来，波音公司可能已经积累了比任何其他飞机制造商更多的有关飞机机体疲劳寿命的数据。
This technology has important application value for fatigue life prediction of pressure vessel in use containing defects.
本文技术对于在役含缺陷压力容器的疲劳寿命预测具有重要的应用价值。
A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading.
介绍了一种预测受多轴交变载荷工程构件的低周疲劳寿命的方法。
The experimental results show that the coldworked holes significantly extend the fatigue life of ultra-high strength steel.
试验结果表明，孔冷挤压显著提高两种超高强度钢的疲劳飞行寿命。
Effects of nano diamond particles on contact fatigue life of steel ball were evaluated on a self-made ball-rod contact fatigue tester.
利用自制的球-棒疲劳试验机，研究了纳米金刚石粉对钢球接触疲劳寿命的影响。
There have been some fatigue life prediction methods in the recent decades, but most of them cannot explain some known fatigue phenomena.
最近，本文第二作者提出了一种海洋结构物疲劳寿命预报的统一方法。
Fracture mechanics is adopted to estimate the fatigue life of structural members, and among the rest, crack growth rate formula is studied.
本文采用断裂力学方法来估算结构构件的疲劳寿命，这其中主要围绕裂纹扩展速率表达式展开研究。
Thus, the stress concentration factor due to the misalignment should be considered in the analysis of fatigue life of the local structures.
因此，在对局部结构进行疲劳强度分析时，应考虑错位对于应力集中系数的影响。
The result indicates that fracture mechanics can be employed to forecast the fatigue life of the pavement on orthotropic steel bridge decks.
计算结果表明，基于钢桥面铺装层带裂缝工作的事实，应用断裂力学方法预测钢桥面铺装层疲劳寿命是可行的。
Based on fatigue life prediction theory, fatigue life curve of dangerous points of wheels under force of a certain locomotive was established.
根据疲劳寿命预测理论，建立了某机车车轮受力危险点在不同路况下的疲劳寿命曲线。
Through non-linear finite analysis , the dependence of fatigue life of solder joint on thermomechanical properties of underfill was calculated.
通过非线性有限元分析，计算出焊点疲劳寿命对下部填充料基本热力学性质的依赖关系。
The prediction of fatigue life is important for steel towers and so on, because for this type of structure wind load is regarded as the main load.
由于风荷载是钢塔架等钢结构的主要荷载，风荷载作用下上述结构的疲劳寿命预估因而是至关重要的。
Based on the experiments, fatigue life distribution of RPC is studied using fatigue life statistics theory, the fatigue life equation is established.
在实验基础上，用疲劳统计学理论研究了RPC弯曲疲劳寿命的概率分布规律，得出RPC的疲劳寿命方程。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
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