The results showed that the resistance of fatigue life gage would change with the accumulative cyclic strain.
实验结果表明,疲劳状态检测元件的阻值能够根据累积循环应变历程产生相应的变化。
The structure of cytoskeleton were effected by cyclic strain force, it play a important role in influence strain.
不同周期性应变对细胞微丝结构产生一定的影响,微丝在细胞感应力的响应中起重要作用。
The tidal stress gives rise to cyclic strain, and then forms cumulative damages and fatigue fractures in crustal rocks.
潮汐应力引起地壳岩石的循环应变、累积疲劳损伤,形成疲劳断裂。
The fatigue tests were performed at room temperature and cyclic strain and stress ratio of 0.1 with triangle load wave.
实验温度为室温,循环应变比和应力比均为0.1,载荷波形为三角波。
Conclusion: The structure of cytoskeleton were effected by cyclic strain force, it play a important role in influence strain.
结论:不同周期性应变对细胞微丝结构产生一定的影响,微丝在细胞感应力的响应中起重要作用。
The effects of cyclic strain amplitude history and mean strain on the cyclic deformation behavior of pure copper were investigated.
揭示了紫铜在应变循环下的循环应变幅值历史、平均应变对循环特性的影响;
To model the random cyclic strain life relations during low cycle fatigue, probability based cyclic strain life curves are suggested.
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。
The cyclic strain low cycle fatigue and cyclic stress ratcheting failure of 45 carbon steel treated by quenching and tempering were experimentally investigated.
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。
For both types of test set-up, the cyclic bond stress-slip relations, and cyclic strain distribution profiles for the bonded FRP-to-concrete joints are presented and discussed.
对于这两种类型的测试设置,循环粘结应力滑移关系,循环应变保税玻璃钢到混凝土接缝和分布状况,提出讨论。
In the test, it is verified that the random cyclic constitutive relations, like the wide recognized random cyclic strain-life relations, is an intrinsic fatigue phenomenon of engineering materials.
试验验证了以前在焊缝金属试验中的发现与推断,即工程材料的循环本构存在随机性,与循环应变-寿命关系的随机性一样,是固有的疲劳现象。
The research results show martensite transformation stress decreases with an increase in cycle due to the residual strain during full cyclic loading.
研究表明在完全循环加载过程中,由于残余应变的存在,马氏体相变应力随循环增加而减小。
The uniaxial time-dependent strain cyclic characteristics and ratcheting behavior of SS304 stainless steel were studied by cyclic loading experiments at room temperature.
对SS304不锈钢在室温单轴循环加载下的时相关棘轮行为和时相关应变循环特性进行了实验研究。
The 45 steel natural relation of dead load with cyclic load and low frequency and high frequency strain cycling fatigue life are studied.
本文对45号钢在静载荷下与在循环加载下的本构关系进行了探讨,并给出了低周与高周应变循环的疲劳寿命表达式。
The effects of the dwell time, strain rate, strain amplitude and their histories on the cyclic deformation behavior are investigated.
研究了在具有不同保持时间、不同应变率、不同应变幅值及其历史对材料的循环变形行为的影响。
The experimental results showed that the dynamic strain has feature of cyclic creep. Cyclic loading affected the creep and creep speed.
结果显示动态应变呈循环蠕变状态,蠕变的大小、速度与循环应力幅值有关。
The relationship between the residual strain and cyclic Numbers accords with the power of negative index under the cyclic loading and unloading pore water pressures.
在循环加、卸载孔隙水压力作用下,残余应变与循环次数的关系符合乘幂负指数关系。
By means of the experimental data from dynamic triaxial stress-strain test of variable cyclic amplitude for frozen soil, the formative conditions of residual strain on frozen silt clay are studied.
基于不等幅值循环荷载作用下低温三轴振动试验资料,研究了冻结粉质粘土在分级往返加荷情况下的残余应变产生条件。
Its cyclic properties first show cyclic softening, after stabilizing, then cyclic hardening. The state of cyclic softening and cyclic hardening will vary along with strain level.
其循环相关特性表现为先循环软化,稳定后又发生循环硬化,而且循环软化和循环硬化的程度随控制应变的不同而不同。
The results showed that the characteristics of cyclic hardening or softening depend to the strain loading paths and the loading parameters.
研究结果表明,低周拉扭疲劳加载下,拉与扭应力响应的硬化与软化特性取决于应变加载路径和加载参数。
The random cyclic stress-strain responses are found and its probabilistic model is established.
新发现随机循环应力—应变响应现象并建立其概率模型。
Based on a series of plane strain cyclic tests on air-dried Toyoura sand, the viscous properties of sand under loading-unloading conditions are presented.
通过丰浦砂的平面应变循环加载试验,分析砂土在加–卸载条件下相应的黏性特征。
It is concluded that cyclic mechanical strain inhibited the proliferation of human pulmonary epithelial cells.
提示周期性拉伸应变抑制人肺上皮细胞的增殖。
The effect is observed under cyclic loading conditions with small strain amplitudes, and is manifest as a dependence of the viscoelastic storage modulus on the amplitude of the applied strain.
效果观察与应变振幅小,在循环加载条件下,表现为粘弹性储能模量的依赖应用应变的振幅。
Methods a self designed uniaxial, homogeneous and cyclic tension strain device was used to load the osteoblasts of Wistar rats.
方法采用自行研制的细胞单向循环等应变加载装置对成骨细胞加载。
The iterative formulas of elastoplastic stochastic finite element method (SFEM) under cyclic loading are deduced and the random responses of local multiaxial stress and strain are calculated.
推导了交变载荷下弹塑性随机有限元的迭代格式,计算了局部多轴应力应变的随机响应。
For concrete in compression zone a stress-strain relation for repeated axial compressive cyclic loading, is adopted instead of that for reversed loading.
对混凝土受压区采用轴向重复加载的应力-应变关系而不是反复加载的。
The component randomness is considered. The SFEM is introduced in the iterative formulas of EFEM under cyclic loading to obtain the random response of local stress and strain.
考虑零构件的随机因素,将随机有限元方法引入到交变载荷下弹塑性有限元的迭代格式中,得到局部应力应变的随机响应,为低周疲劳可靠性分析提供了更精确的依据。
It was shown that the cumulative plastic strain depended not only on the applied cyclic stress and number of cycles, but also on the initial static deviatoric stress level.
在上海地区典型饱和软粘土不排水循环三轴试验的基础上,分析了影响软粘土塑性累积变形的主要因素:循环荷载的作用次数,初始静偏应力和循环加载动偏应力。
Unfortunately, previous work rarely incorporated the effect of initial deviator stress on cyclic degradation behavior and dynamic stress-strain relationship of soft clay.
以往的研究大多忽略初始偏应力对软黏土循环软化及动应力-应变关系的影响。
Both the measured results of the cyclic stress-strain curves of three kinds of rebars and their estimated intervals of fatigue limit are listed in the paper.
列出了三种钢筋循环应力应变曲线的实测结果和疲劳极限的估值区间。
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