Number of failure cycles is calculated depending on fatigue life prediction equation based on the energy analysis.
通过基于以能量为基础的疲劳寿命预测公式预测焊点的失效循环数。
In some cases, the continuous distribution model of fatigue failure life and stress amplitude level is more valuable in analyzing the damage of ponogena under complicated stress.
在某些情况下，如进行复杂应力条件下的疲劳素损伤分布分析，疲劳失效寿命和应力幅水平的连续分布模型更有意义。
Heat fatigue failure mechanism of the die casting dies during the process of die casting were analyzed, and the influence of optimizing process control on die life of die casting were discussed.
分析了压铸过程中模具的热疲劳失效机理及其影响因素，讨论了优化压铸过程控制对模具寿命的影响。
Due to structure peculiarity, design principle, failure form and worn examples, pointed a better method to delay fatigue life of gear surface.
针对齿轮的结构特点、设计原则、失效形式及各种破损实例，指出了当前提高齿轮表面疲劳寿命的最有效方法。
Availability of this method was verified by the failure life data of fatigue sample.
疲劳试件失效寿命数据验证了方法的有效性。
The fatigue break down is the main form of die failure. To improve the use life of dies, an approach for increasing fatigue resistance of die material is reviewed.
疲劳破坏是模具失效的主要形式，为了提高模具的使用寿命，综述了提高模具材料疲劳抗力的多种途径。
Through analysis and fatigue test research to the super - void - water pressure, there is a new cognition that is the failure form and the influence in life of pavement structure by void - water.
通过对超孔隙水压的分析和疲劳试验研究，探讨了空隙水对路面结构的破坏形式和疲劳寿命的影响。
The relationship between absorbed failure energy and fatigue life is established and analyzed.
建立和描述了疲劳断裂能与寿命的关系。
Failure diagnosis of disc spring in transmission of scraper Model CL7 and bench life test for its fatigue life are introduced. Improvement measures in increasing its fatigue life are proposed.
本文介绍了CL7铲运机变速器蝶形弹簧失效原因的分析和台架疲劳寿命试验研究，提出了提高蝶簧疲劳寿命的改进措施。
In response to the complexity of calculation for failure probability regarding fatigue crack growth life, a method for reliability analysis based on neural network response surface was presented.
针对疲劳裂纹扩展寿命失效概率计算的复杂性，提出基于神经网络响应面的可靠性分析方法。
The coiled tubing in a cyclical fatigue loads to work, it is susceptible to fatigue damage caused by a continuous failure, result in shorten life of a coiled tubing.
由于连续油管在周期性的疲劳载荷作用下进行工作，很容易因疲劳损伤而造成连续油管失效，导致连续油管使用寿命大大缩短。
Found non-linear fatigue damage equation and fatigue failure criterion of concrete under variable amplitude load, and analyze the influence of loading sequence on total fatigue life;
建立了混凝土非线性疲劳损伤方程和变幅荷载下的疲劳破坏准则，分析了加载次序效应对总疲劳寿命的影响；
Also it reduces suck rod fatigue failure to prolong working life.
这样可以降低抽油杆的疲劳损坏，延长抽油杆的使用寿命。
Fatigue life (Nf). The total number of stress cycles that will cause a fatigue failure at some specified stress amplitude.
疲劳寿命(Nf)：在某一指定应力幅值下，引起疲劳失效的应力循环总数。
The failure mechanism of a roll shell in continuous roll casting is discussed and a formula for predicting its fatigue life is established.
分析了铸轧辊套的失效机理；提出了铸轧辊套疲劳寿命预报公式。
Fatigue life prediction from the initial crack size to failure based on long crack propagation at different zones of welded joint was made by using j.
以焊接处微观结构缺陷尺寸作为初始裂纹尺寸，采用基于裂纹闭合的全寿命预测模型，以焊接区域不同位置的长裂纹扩展速率曲线作为基线，利用J。
Used as a fatigue failure criterion, application of the model to the fatigue life prediction for the feeding spring of a medium calibre automatic naval gun proved to be comparatively satisfactory.
对数累积损伤模型作为—个失效判据，已在某中口径自动舰炮输弹簧的疲劳寿命预测中得到较满意的应用。
The failure modes of the coatings can be predicted if the contact stress and the fatigue life are designated. And the prediction accuracy of the failure mode is above 65%.
建立了涂层失效模式的判别准则，当指定接触应力和疲劳寿命时可以预测涂层的失效模式，且预测正确率在65%以上；
The failure modes of the coatings can be predicted if the contact stress and the fatigue life are designated. And the prediction accuracy of the failure mode is above 65%.
建立了涂层失效模式的判别准则，当指定接触应力和疲劳寿命时可以预测涂层的失效模式，且预测正确率在65%以上；
应用推荐