fatigue process meaning in English
疲劳过程
Examples
- Study on change law of resistance of flg in fatigue process of composite laminates
复合材料层板疲劳过程中疲劳寿命计的电阻变化规律研究 - The results indicated that the fatigue life would be extended with first loading at a high stress amplitude and then a low stress amplitude during the fatigue process
发现先进行高应力加载后换用低应力加载将会显著延长合金的疲劳寿命。 - Still , the microstructure of the alloy during different loading cycles is researched with the help of tem , especially the evolution of the dislocation and dislocation bands during the fatigue process
此外，利用透射电镜的方法观察了在不同循环加载历晚条件下合金中微观结构的变化情况，尤其是位错以及位错带的演变规律。 - The in - situ xrd results obtained during an electric fatigue process revealed that the numbers of a domain kept increasing , while those of c domain decreasing with the increase of the fatigue number ( n ) after the end of each fatigue cycle
电疲劳过程中原位xrd观测结果表明，随着电疲劳次数n的增加，在每个循环结束后试样表面a畴不断增加， c畴不断减少；在外电场作用下该材料发生a c畴的90畴变的能力不断恶化。 - Based on the study of strength degradation of material in the fatigue process , a strength degradation model is proposed . a stochastic differential equation , which controls strength degradation , is obtained from the model randomized by markov process . by using the theory of stochastic , the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained . under a few suitable hypotheses , inverse gaussian distribution of fatigue life is derived , and verified by means of experimental data . the result shows that the model and the method are reasonable
在研究疲劳过程中材料强度退化规律的基础上,建立了一个强度退化模型.对其进行随机化处理,得到控制强度退化过程的随机微分方程.在一定假设条件下,获得了剩余强度概率密度函数的封闭解,并推导出疲劳寿命的反高斯分布形式.给出一种考虑损伤状态对随机涨落影响的近似处理方法.与试验数据的比较结果表明,本文的模型和方法是合理的