limit of fatigue
英 [ˈlɪmɪt ɒv fəˈtiːɡ]
美 [ˈlɪmɪt əv fəˈtiːɡ]
疲劳极限
双语例句
- Abstract: The relationship between fatigue limit and prior austenite grain size has been studied by means of rotating bending fatigue tests for microalloyed case carburizing steels.
摘要：利用旋转弯曲疲劳试验方法，研究微合金化渗碳钢的晶粒尺寸与其疲劳性能之间的关系。 - The predicted valued of the fatigue limit of crack initiation the fatigue limit of fracture, and the non-propagating crack length agreed well with the experimental values.
包括裂纹的萌生极限、断裂极限以及停止扩展裂纹长度的预测值与实验结果吻合。 - Extrapolation Method to Determine the Endurance Limit of Fatigue
确定疲劳极限的外推法 - The Study on Rock Creep and the Process of Fatigue and the Failure Limit of Creep and Fatigue
岩石蠕变及疲劳破坏过程和破坏极限研究 - First of all, a neural network response surface was established to simulate the limit state function of fatigue crack growth life, then the gene arithmetic ( GA) was used to calculate the reliability index.
首先建立神经网络响应面模拟疲劳裂纹扩展寿命的极限状态方程，然后使用遗传算法（GA）计算可靠性指标。 - A so-called probabilistic fatigue limit parameter method is proposed for the extrapolation of commonly probabilistic fatigue S-N curves in the mid-short life regime into the long life regime.
基于Basquin关系，提出了将中短寿命概率疲劳SN曲线合理外推到长寿命范围的疲劳极限参数法。 - A Method for Determining Fatigue Limit Based on the Analysis of Propagation Condition of Short Fatigue Crack
基于疲劳短裂纹扩展条件的疲劳极限估算方法 - For the design of the tank gear, a suggestion is made that high precision of gear process and high fatigue limit stress of material can both help to improve the contact fatigue reliability of the driving gear of the tank transmission box.
提高齿轮加工精度和选用疲劳极限应力σHlim较高的材料都会有利于提高坦克传动箱主动齿轮的接触疲劳可靠性。 - Besides, this paper goes deep into particulars of evaluation procedure of hot stress method which mainly includes the establishment of finite element model, imposition of load and boundary limit, acquirement of hot stress and calculation of fatigue damage.
此外，本文还详细阐述了热点应力法的评估流程，具体内容包括三舱段有限元模型的建立、载荷和边界条件的施加、热点应力的获取以及疲劳损伤的计算等。 - A fatigue life factor of damage state has been taken into account of the method to estimation the upper and lower limit of fatigue damage life for the pad and the soil and foundation block system respectively.
该方法通过定义，引入锻锤基础系统中减振垫与基础块的损伤状态寿命因子，能够估计出锻锤基础系统的减振垫和基础块的损伤疲劳寿命上、下限。 - The crane load and fatigue strength are regarded as stochastic process, the fatigue dynamic reliability based on limit stress model and fatigue dynamic reliability based on accumulation damage model are established on the base of statistic analysis the fatigue load and resistance.
在对疲劳荷载与抗力统计分析的基础上，视吊车荷载与疲劳强度为随机过程，建立了基于极限应力模式的疲劳动态可靠性分析模型及基于累积损伤模型的疲劳动态可靠性分析模型。 - Basing on internal fatigue limit theory suggested by the author," the optimum residual stress field "of which the preset fatigue strength can be satisfied, is advanced by means of the engineering calculation method.
以内部疲劳极限理论为基础，提出了弹簧表层优化喷丸残余应力场的工程计算方法。 - Safety limit of auditory fatigue
听觉疲劳的安全界限 - On Limit The theoretical approach of contour of fatigue limit
极限概念的辩证法探讨对疲劳极限线图的理论分析 - Eliminating other parameters of material in the four equations, the transcendental equation for solving the endurance limit of fatigue is achieved.
从这四个等式中消去其它的材质参量，即可得到求解疲劳极限的超越方程。 - By using the method proposed in the present study, the endurance limit and strain cycling fatigue life of metals at low temperatures can be predicted without any low temperature fatigue testing and additional empirical modification.
最后用文献中的实验数据对本文提出的低温下就应变疲劳寿命和疲劳极限的估算方法进行了验证。 - To improve the fatigue limit of sucker rods, the attenuation pattern of the residual stress of surface induction hardened sucker rods under the action of fatigue limit stress is investigated.
为提高抽油杆的疲劳极限，研究了经表面感应加热淬火的抽油杆在疲劳极限应力作用下残余应力的衰减规律。 - Based on the analysis and stochastic model for surface crack growth at weld toe, the limit state of the surface crack growth was discussed. A probabilistic method of assessing the fatigue life and safety of welded joints containing surface cracks is presented.
本研究以对接接头焊趾表面裂纹疲劳扩展随机模型与统计分析为基础，分析了焊趾表面裂纹疲劳扩展的极限状态，探讨了带表面裂纹焊接构件疲劳扩展寿命与安全性的概率评定方法。 - The quality of joint has much effect on the age limit of airplane. The fatigue strength can be improved by using interference-fit joint in metal joint-structure.
连接质量极大地影响着飞机的寿命，干涉配合连接能成倍提高接头的疲劳强度。 - The results show: 1) the fatigue limit of smooth or notch specimen under different mean stress can be estimated by the Haigh Diagram based on fatigue limit σ_ (-1), bending strength σ_ ( bb) and fatigue notch factor K_f;
结果表明：1.可以根据材料光滑试样疲劳极限σ-1、抗弯强度σbb及疲劳缺口应力集中系数Kf建立Haigh图，来估算在不同平均应力下，光滑试样及缺口试样疲劳极限。 - In order to decrease shrinkage crack stem of cement stabilized gravel by controlling the maximum of dosage, and the lower limit by controlling the dosage as much as possible to ensure stability of primary fatigue cracking does not appear.
通过控制水泥剂量上限尽可能减少水稳碎石基层的干温缩开裂，通过控制水泥剂量的下限来尽可能确保水稳基层不出现疲劳开裂。 - Lots of experiments and researches on the effect of single notch on fatigue limit have been conducted domestic and abroad in the past years; however, researches on the effect of multi notches on fatigue limit are rarely seen.
关于单一缺口对疲劳极限的影响，过去国内外都进行了大量试验和理论研究，但多重缺口对疲劳极限影响的研究报道却较为少见。 - On the other hand, aluminum alloy has many advantages such as the convenient material selection and forming, the small fatigue limit, and the easily controlled fatigue process. This material has been widely used in the monitoring of fatigue damage with the EMI technique.
同时，铝合金具有选材和加工方便，疲劳极限小，疲劳过程便于实验室控制等优点，在基于EMI技术的疲劳损伤监测研究中获得了普遍应用。 - In addition, the fatigue limit is also redefined from the view of fracture mechanics. First, the fatigue limit is predicted and evaluated by crack growth resistance curve method on the basis of relevant test.
在相应试验的基础上，首先利用裂纹扩展抵抗阻力曲线法对试验材料的疲劳极限进行评价预测，预测值与试验值吻合良好，表明了这种方法的有效性。 - At present, a large number of accidents are caused by fatigue at engineering. The fatigue limit of metallic materials, as an important evaluating indicator of materials 'performance, is also an important basis for component fatigue strength in design verification.
目前，工程中大量的破坏事故都是由疲劳引起的，金属材料的疲劳极限作为评价材料性能的一个重要指标，也是设计校核构件疲劳强度的重要依据。 - The grouping test is conducted in higher stress region in order to gain the fatigue life, S-N curve and the inferior limit of fatigue life. The confidence level of grouping test is90%.
进行成组法试验获得较高应力下的疲劳寿命、S-N曲线及疲劳寿命下极限，试验置信度为90%。