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.
完成了16根无粘结预应力混凝土梁的低周反复荷载试验。
Specimens of 16 unbonded prestressed concrete beams under low cyclic loading were tested.
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.
在低周塑性疲劳阶段构件的疲劳开裂寿命仍可提高1倍左右。
In the low cycle plastic fatigue period, the fatigue progress life Nfcan al - so be increased by 1 time.
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.
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.
对钼合金进行了应力控制高温低周等温疲劳和同相位热机械疲劳试验。
High temperature isothermal mechanical fatigue and in phase thermomechanical fatigue (TMF) tests in stress control were carried out on a molybdenum alloy.
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.
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.
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.
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.
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.
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.
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.
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.
复合载荷下，低周幅值不变，增加高周载荷的幅值，微动疲劳寿命随幅值比的增加而降低。
The fretting fatigue life under complex loads monotonously decreases with the increase of the high cycle load while the low cycle loads keep constant.
通过五片碳纤维布加固砖砌体墙的低周反复试验，分析了碳纤维布加固砖砌体墙的抗震性能。
According to the test of five brick masonry walls reinforced with CFRP under low cyclic loads, the seismic behavior of brick masonry walls reinforced with CFRP is studied.
着重对南社、太原第二热电厂老厂及冶峪、太原第一热电厂老厂地区的低周运行情况进行了分析。
This paper makes the analysis emphatically on the low-cycle operation of the Nanshe area, the old location of Taiyuan No.
记录了各自的循环应力—应变滞后环，得出了试样的循环响应特征和各试样的高温低周疲劳寿命。
The individual cycle-strain hysteresis loops were recorded, and the cycling response and high temperature low cycle fatigue life were obtained.
提出了汽轮机主汽阀和调节阀阀壳低周疲劳寿命和蠕变寿命的定量设计方法，并给出了应用实例。
The paper also presents the low cycle fatigue life and creep life's quantificational method of steam turbine's main stop valve and control valve, and applied examples.
观察了低碳钢在低周冲击疲劳过程中循环形变的显微特征。结果表明：循环形变主要由滑移引起。
The micro morphology of low carbon steel cyclic deformed with low cycle impact fatigue was investigated it was found that the cycle deformation is caused by slipping.
给出了静力荷载下的荷载变形曲线、低周反复荷载下的荷载变形滞回曲线以及关键部位的应变数据。
The load displacement curve under static load, load displacement hysteric curve under repeated low cycle load and strain data at key points are presented.
本文介绍八根迭合与两根整浇钢筋混凝土连续染，分别在单向荷载与低周反复荷载作用下的试验结果。
The test results of eight composite and two normal reinforced concrete continuous beams under low cyclic loading and monotonic loading respectively are presented.
结果指出，喷丸引起表面形变层内的上述变化，能够有效地提高粉末合金高温下的高周和低周疲劳性能。
It has been shown that the high cycle and the low cycle fatigue strength can be obviously improved by shot peening.
结果指出，喷丸引起表面形变层内的上述变化，能够有效地提高粉末合金高温下的高周和低周疲劳性能。
It has been shown that the high cycle and the low cycle fatigue strength can be obviously improved by shot peening.
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