law of fatigue

英 [lɔː ɒv fəˈtiːɡ] 美 [lɔː əv fəˈtiːɡ]

网络  疲劳定律

医学



双语例句

  1. A damage variable is defined based on the transverse ultrasonic wave velocity and used to describe the growth law of sandstones fatigue damage.
    基于超声波速定义损伤变量,建立砂岩疲劳累积损伤的演化方程;
  2. Research on Law of Confidence Interval of Scatter Factor Based on Small Sample Fatigue Life Versus Test Stress
    小子样疲劳寿命分散系数置信区间随应力的变化规律研究
  3. First, it is pointed out that the damage law of evolution for high cycle fatigue advanced by Lemaitre is only applied to the loading of equal amplitudes on equivalent stress cycles.
    首先,指出Lemaitre等提出的高周疲劳损伤演化方程只适用于等效应力循环为等幅的加载情形。
  4. Therefore, the obvious distinctions of fatigue lives of top-down cracks calculated by Paris Law are also existed: the ratios of the fatigue lives of top-down cracks using plane strain model to the ones using three dimensional finite element model are about 34% to 94%.
    因此,采用Paris公式计算得到的自上而下裂缝疲劳扩展寿命差别也很大:二维平面应变模型分析得到的自上而下裂缝疲劳扩展寿命与三维有限元模型得到的结果之比约为34%到94%。
  5. The relation of law of the fatigue crack extending and feature of macro-profile is discovered, which provides a new method for the life estimation of the brake disc.
    发现裂纹剖面宏观形貌特征与制动盘疲劳裂纹扩展规律之间存在一定的关联,为制动盘寿命评估提供了新的思路。
  6. According to principle of damage mechanics, the evolutional law of damage in pearlite ductile cast iron has been studied under fatigue and tension loading.
    利用损伤力学原理,研究了珠光体球墨铸铁在疲劳和拉伸载荷作用下的损伤演变规律。
  7. Generalize the law of fatigue, creep and interaction, and analyse the organization of the deformation band and appearance of fracture using scanning electronic microscope. Discuss the law of fatigue-creep, initiation of crack and fracture mechanism at microscopic view.
    总结疲劳和蠕变及其交互作用的规律,并利用扫描电镜(SEM)对316L试样断口进行形变组织结构和断口形貌的分析,从微观角度探讨316L奥氏体不锈钢疲劳&蠕变规律、裂纹萌生和断裂机理。
  8. 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
  9. At last, the distribution law of fatigue life of SFRC is analyzed and the S-N curve equation of SFRC in cold temperature under different probabilities of survival is given.
    最后对低温钢纤维混凝土的疲劳概率分布进行了分析,给出了不同存活率下钢纤维混凝土的S-N曲线方程。
  10. Fatigue crack growth of surface cracks in tension and bending plates is investigated with numerical simulation technique based on the Paris law of fatigue crack growth rate.
    根据Paris疲劳裂纹扩展规律,对拉伸和纯弯曲疲劳载荷下表面裂纹扩展进行了数值模拟。
  11. Presents a reliable model of an axis under random load according to the load spectrum, using the law of time career and the failure rule of axis fatigue failure.
    根据轴所受的随机载荷时间历程统计规律,以轴的疲劳破坏为失效准则,提出了一种预测轴在随机载荷下的可靠度模型。
  12. A Study on the Stochastic Law of Fatigue Crack Propagation under Spectrum Loading
    谱载荷下疲劳裂纹扩展随机规律的实验研究
  13. At the same time, a fatigue damage evolution law based on the theory of cumulative fatigue damage is presented, using the electrical resistance of material. And the electrical resistance change is validated by the whole-bend experiments under different stress ranges.
    同时通过电阻建立了基于损伤累积理论的疲劳损伤演化规律,对不同应力幅水平下的存弯疲劳实验试样的电阻损伤变量加以实验验证。
  14. This paper presents the determination of the distribution law of the fatigue strength with given fatigue life using Up-and-Down method.
    本文讨论了如何用升降试验法测得给定寿命下疲劳强度的分布规律。
  15. Studies on the Law of Fatigue and Creep for 316L Stainless Steel at Elevated Temperature
    316L钢高温疲劳蠕变规律研究
  16. A damage variable is defined based on the transverse ultrasonic velocity and used to describe the growth law of fatigue damage. The general method to evaluate the fatigue damage of the concrete and residual life of structure is presented.
    基于超声波速定义了损伤变量,建立了混凝土疲劳累积损伤的演化方程,最后提出了在实际工程中运用无损的超声检测法评定混凝土疲劳损伤与结构耐久性的一般方法。
  17. According to the principle of damage mechanics, the evolutional law of fatigue damage of pearlite ductile cast iron was studied with double arms electrical bridge for measuring electrical resistivity.
    根据损伤力学原理,用双臂电桥测量电阻的方法,研究了珠光体球墨铸铁的疲劳损伤演变规律。
  18. The law of corrosion fatigue is described here through three aspects, such as elementary theory of random sea, load and stress analyses of the semisubmersible platform columns, and calculation of corrosion fatigue life and its experiments.
    文中从随机海浪基本理论,半潜式平台立柱的承载和应力分析,腐蚀疲劳寿命的计算及其实验三方面去描述它的腐蚀疲劳规律。
  19. The Law of Laser Parameter Change on Fatigue Life
    激光辐照参量对疲劳寿命的影响规律
  20. The law of life wastage for creep-fatigue interaction is discussed, and the curves of the interaction between creep damage and fatigue damage which can be used in practice are plotted.
    研究了该钢在蠕变/疲劳交互作用下的寿命损耗规律,绘制出了可供工程应用的预测寿命的蠕变/疲劳交互作用图。
  21. With the KBW self-consistent model and the single crystal hardening law, previously proposed by Sun and Hwang, the cyclic stress-strain response of polycrystalline copper over both high and low-cycle fatigue ranges has been obtained.
    采用KBW自洽理论和以前提出的单晶硬化律,对铜多晶体的循环应力-应变曲线进行了理论模拟,其范围包括高周疲劳阶段和低周疲劳阶段。
  22. In order to revealing the physical mechanisms of the material damage, a new method is essentially to be adopted for the further study of damage evolution law of short fatigue cracks, and then provide the theory basis for safety and reliability evaluation of structures.
    因此,有必要采用新方法进一步深入研究疲劳短裂纹损伤演化规律,揭示材料疲劳损伤的物理机制,进而为结构安全与可靠性评价提供理论依据。
  23. Thirdly, based on the Lundberg-Palmgren fatigue life theory, a bearing fatigue life model has been established, the law of the different structural and the load parameters on bearing fatigue life can be concluded.
    再次,依据Lundberg&Palmgren疲劳寿命理论,建立了疲劳寿命计算模型,进而得出不同结构参数和载荷参数对轴承疲劳寿命的影响规律。
  24. By analyzing the development law and characteristics of fatigue deformation, a number of different fatigue deformation calculation theory are established. Through the comparison with the experimental data, applicability and advantages and disadvantages of each theory are analyzed.
    分析疲劳变形的发展规律和特点,采用多个不同的疲劳变形计算方法,通过与试验数据进行比较,分析各计算方法的适用性和优劣点。
  25. According to Paris law and the mechanism of pavement cracking, it deduced prediction models of fatigue life and fatigue damage of reflection crack in this thesis.
    根据Paris公式和路面结构开裂机理,推导出AC层反射裂缝疲劳寿命和疲劳损伤预估模型。
  26. There are many influential factors on corrosion fatigue, and the factors that affect materials and members still have adverse effect on corrosion fatigue, and the coupling action of them exist, so the law of corrosion fatigue is difficult to explore for us.
    腐蚀疲劳的影响因素众多,对材料或构件有影响的因素都会对腐蚀疲劳有影响,加之各种影响因素的耦合作用,情况非常复杂,给我们认识其规律带来了困难。
  27. Complex loads on structures usually cause significant load sequence effect and have notable influence on the law of fatigue crack propagation, which result in the difficulty of predicting fatigue life accurately.
    复杂载荷作用在结构上往往会引发显著的载荷次序效应,对裂纹扩展的规律产生很大影响,使结构的疲劳寿命预报变得更加困难。
  28. Through the fatigue test, this article has also compared the EEG of the person in full energy state and in fatigue state through extracting rhythm and power spectrum for the EEG, obtaining in the law of the degree of fatigue and the variation of EEG.
    本文通过疲劳实验,分别处理正常人在精神饱满时和疲劳状态下的脑电信号,将二者的节律提取结果和功率谱图做了对比,得出在疲劳度与脑电波变化的规律。
  29. The law of the impact of the fatigue behavior of the reinforced concrete material and bonding properties was researched.
    主要工作如下:1、探讨了腐蚀环境对钢筋混凝土材料和钢筋与混凝土粘结的疲劳性能的影响规律。