Strain fatigue and stress fatigue are related by the influence coefficient of strain distribution.
通过应变分布影响系数把应变疲劳与应力疲劳联系起来。
The alteration of substructure of an austenitic stainless steel hasbeen investigated during constant strain fatigue.
本文系统地观察了奥氏体不锈钢在恒应变疲劳过程中组织结构的变化规律。
Moreover, this paper lists both static and strain fatigue parameters of this material for material design, selecting and life prediction.
还列表给出车轮钢的全部应变疲劳参数和与之对应的静态参数,可供设计选材,寿命估算时使用。
A new method for calculating amplitudes of the local stress and strain in the strain fatigue analysis of aluminum alloy members is presented in the paper.
提出了一种在铝合金构件应变疲劳分析中,计算局部应力和应变变程的新方法。
A general life model adapted to both stress fatigue and strain fatigue is deduced, through analyzing the influence function of strain distribution on life.
本文通过应变分布对寿命的影响函数分析,导出了一种适用于应力疲劳和应变疲劳的通用寿命模型。
The strain fatigue properties, the fractograph near fatigue crack sources and the fatigue dislocation structures of LY12CZ aluminium alloy are investigated in some detail.
较详细地研究了LY12CZ铝合金的应变疲劳性能、疲劳裂纹生成区断口特征及疲劳位错组态。
This method can be applied to designing sample components for fatigue test as well as to forecasting various fatigue life of component from stress fatigue to strain fatigue.
该方法不仅可用于构件从应力疲劳到应变疲劳的各类疲劳寿命预测,还可用于构件的疲劳试验模拟件设计。
The point of intersection of elastic line and plastic line moves toward the low cycle life with the hardness of the spring steel raised after tempering from the strain fatigue curve.
在应变疲劳曲线上,弹性线和塑性线的交点随弹簧钢回火后硬度的升高而向低循环寿命移动;
But there is an easy cure for eye strain and fatigue: turning off the TV and getting some rest.
缓解眼疲劳的办法很简单:关掉电视,让眼睛休息一下。
A mean strain or prestrain, as in FIG. 83, can under certain conditions reduce the subsequent fatigue life.
一个如图83所示的平均应变或预应变,在某种情况下,能够缩短以后的疲劳寿命。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
累积塑性应变能随着加载频率及应力水平的增加而增加,与疲劳寿命在半对数坐标下呈线性关系。
Fatigue tests were performed using the 3d dumbbell specimens with different levels of maximum strain and hardness.
使用具有不同最大应变和各种硬度的3d哑铃状试样进行了疲劳试验。
The results show that nitrogen has remarkable influences on rolling contact fatigue life and plain strain fracture toughness, and little influences on wear resistance.
结果表明,含氮量对滚动接触疲劳寿命及平面应变断裂韧性具有很显著的影响,而对耐磨性影响很小。
Temporary conditions such as motion sickness, sun stroke, eye strain or fatigue, and changes in atmospheric pressure may also result in nystagmus.
临时的条件,如晕车,太阳中风,眼睛紧张或疲劳,和大气压力的变化也可能导致眼球震颤。
There are two kinds of load controlling mode for asphalt mixtures fatigue testing:stress controlling mode and strain controlling mode.
沥青混合料疲劳试验的荷载控制模式有应力控制模式和应变控制模式。
There are two kinds of load controlling mode for asphalt mixture fatigue testing-stress controlling mode and strain controlling mode.
沥青混合料疲劳试验的荷载控制模式有应力控制和应变控制两种。
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。
At low and intermediate total strain amplitudes, the fatigue life was found to decrease with the increasing of temperature.
结果表明,在中等应变幅值之下,材料的疲劳寿命随温度的增加而降低。
It is shown that strain controlling mode is adequate for asphalt mixtures of asphalt stabilized base course as for fatigue test.
因此,全厚式沥青路面沥青混合料的疲劳试验更适宜采用应变控制的荷载模式。
The stress-strain field of winder axle in various working conditions is analyzed and mechanics performance of stress concentration region is studied, which provides reference for its fatigue analysis.
本研究对各种工况下主轴的应力应变场进行数值模拟分析,并对主轴应力集中区域的力学性能进行了分析和研究,为进一步的疲劳分析提供了依据。
The FEA and test results of typical rubber components in the railway vehicle are listed, including the stress, strain, fatigue performance and stiffness etc.
再列举了几种典型机车车辆用橡胶零件的有限元分析和产品试验结果对比情况,包括应力、应变、产品的疲劳性能、刚度性能等。
Fatigue is one of criterions in asphalt concrete pavement design, failure of asphalt concrete fatigue has correlation with the magnitude of tensile strain of asphalt layer bottom.
疲劳是沥青路面设计标准之一,沥青混凝土的疲劳失效与沥青层底拉应变值的大小相关。
The fatigue crack closure and fatigue crack growth rate in the high strain region of SCT specimen are studied.
本文研究了SCT试样高应变区的疲劳裂纹闭合效应和疲劳裂纹扩展速率。
Richly contain chamomile extract, natural floral aromatic essence active oxygen ion, moisturize skin, relieve strain and fatigue for a whole day.
富含洋甘菊萃取液、天然花草香芬精华及活氧离子,清洁滋润肌肤的同时舒缓肌肤一整天的紧张和疲劳。
The results of fatigue test of reactor manifest the fatigue life of the reactor materials under different strain and stress condition.
反应器的疲劳试验结果充分反映了反应器材料在不同应力应变水平下的疲劳寿命。
The uncertainties of pressure vessel result in the randomness of local stress, local strain and fatigue life.
由于压力容器构件的不确定因素,造成了构件局部应力应变响应和疲劳寿命具有随机性。
Under 4% strain, the number of repeat tensile fatigue rupture is 38560 cycles and the recovery rate keeps up 100%.
在4%的固定应变下,反复拉伸疲劳断裂次数高达38560次,形状回复率为100%。
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。
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。
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