低周疲劳表面裂纹演化可能具有非线性动力学特征。
There may be non linear dynamic characteristics during the evolution of the surface Low Cycle Fatigue (LCF) cracks system.
研究了应变控制原位生成复合材料的室温低周疲劳行为。
The low cycle fatigue behavior of in-situ composites was investigated under total strain-controlled conditions at the room temperature.
分析了TA5钛合金不同余高焊接接头的低周疲劳性能。
The low cycle fatigue property of TA5 Titanium alloy welded joint with different reinforcement was investigated.
讨论一种低周疲劳下随机损伤演变过程的数值模拟方法。
A numerical simulation of stochastic damage evolution process in the condition of1ow cycle fatigue loading is discussed.
本文研究了一种定向凝固镍基高温合金的高温低周疲劳行为。
Low cycle fatigue (LCF) tests of a directionally solidified nickel base superalloy were conducted at elevated temperatures.
本文尝试研究一种半刚性连接-顶底角钢连接的低周疲劳性能。
The paper is dedicated to study the low-cycle fatigue behavior of a certain semi-rigid connection: the top- and -seat angle.
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。
A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading.
在地震地面振动时，连接的耗能能力取决于抵抗低周疲劳的能力。
Under seismic ground shaking, the ability of the connection to dissipate energy will depend on the connection's capability to withstand low cycle fatigue.
断口分析表明，合金低周疲劳断口的主要特征是平行的条纹及韧窝。
The chief character of fracture is fatigue striation and dimple.
而在高温低周疲劳条件下裂纹是在粘结层与高温合金基体的扩散层处。
However, cracks initialized in the diffusion layer between substrate and bond coat when TBCs were tested with low cycle fatigue at high temperature.
本文推论并总结了对汽轮机高压转子进行低周疲劳计算的方法和步骤。
The method and step of the calculation of the low cycle fatigue for the high pressure rotor of a steam turbine are introduced and summarized.
建筑结构在地震作用下的破坏主要是由结构的低周疲劳累积损伤引起的。
The main destruction of constructions suffering from earthquake is brought by the accumulated damage of structures under low cycle fatigue.
作为涡轮增压器的核心零件，压气机叶轮主要失效模式是低周疲劳破坏。
The compressor wheel is a core part of turbocharger, and the low-cycle-fatigue (LCF) dam - age is its main fault model.
位错线、位错条带、胞结构和迷宫结构是锆合金低周疲劳典型的位错组态。
Dislocation lines, dislocation bands, cell and labyrinth structures are typical dislocation configurations in the fatigued alloys.
利用低周疲劳试验结果和前人的研究成果确立了本文阻尼器的疲劳验算式。
The fatigue model parameters are determined based, on the low cycle fatigue test of the MSD and the achievements of past study.
为确定与验证锥齿轮故障模式，在试验器上进行故障再现试验及低周疲劳试验。
To establish and verify the failure mode, trouble reappearing and low -cycle fatigue tests are conducted on component test rigs.
本文研究了GH36与GH132两种高温合金的高温低周疲劳和热疲劳性能。
In this paper, the performances of elevated temperature low-cycle fatigue and thermal fatigue of two superalloys GH36 and GH132 are discussed.
引入了概率循环应变—寿命曲线描述低周疲劳循环应变—寿命试验数据的分散性。
To model the random cyclic strain life relations during low cycle fatigue, probability based cyclic strain life curves are suggested.
结果表明，扭转预应变降低低周疲劳寿命，循环应力随扭转预应变的增大而增大。
The results show that low cycle fatigue life is reduced and cyclic stress is raised by torsional prestrain raising.
提出了一个用于计算非对称循环载荷下材料低周疲劳寿命的累积损伤模型和方法。
In this paper, a method of computation for the low-cyclic fatigue life under the action of asymmetrical cyclic load is proposed.
分析其失效原因为铅合金在外力作用下，产生塑性变形引起的低周疲劳，造成断裂。
Through analysis, the failure reason was confirmed as that the low cycle fatigue caused by plastic deformation occurred in the lead alloy, thus the fracture occurred.
结果表明：与传统X-40合金相比，K40S合金具有优异的抗高温低周疲劳性能；
The results show that K40S alloy possesses high low cycle fatigue resistance in comparison with X-40 alloy.
粉末冶金FGH95构件的抗低周疲劳能力远高于锻造GH169，相差几个数量级。
The ability of resistance to low cycle fatigue of PM FGH95 is much higher than that of GH169.
同时还研究了变幅低周疲劳下缺口试件和锅炉汽包的损伤，并考虑了平均应力的影响。
Besides, the fatigue damage for both the boiler steam drum and the notch specimen under varied amplitude low cycles is investigated with the effect of average stress taken into account.
对调质处理的45碳索结构钢进行了应变循环低周疲劳实验以及应力控制棘轮失效实验。
The cyclic strain low cycle fatigue and cyclic stress ratcheting failure of 45 carbon steel treated by quenching and tempering were experimentally investigated.
高温低周疲劳(HLF)寿命预测方法对于承受变幅载荷的高温构件的设计具有重要意义。
High temperature low cycle fatigue (HLF) life prediction models have great significance for design of high temperature structure under cycLic loading.
在详细分析试验和有限元计算结果的基础上，提出了复杂应力状态下的低周疲劳寿命模型。
Based on experimental data and finite element analysis results, a low-cycle fatigue life model is proposed for the powder metallurgy superalloys under multiaxial stress states.
试验结果表明，BLY100钢板具有良好的低周疲劳性能，完全满足抗震设计用钢的需要。
The results showed that BLY100 steel plates have excellent low cycle propertyes, which meet the requirement for steel used to earthquake resistant.
试验结果表明，BLY100钢板具有良好的低周疲劳性能，完全满足抗震设计用钢的需要。
The results showed that BLY100 steel plates have excellent low cycle propertyes, which meet the requirement for steel used to earthquake resistant.
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