It is considered that the said cracks belong to the corrosion fatigue range, featuring stress corrosion fatigue.
分析认为这种裂纹属于腐蚀疲劳的范围,具有应力腐蚀疲劳的特征。
The optical storage properties of both materials were compared such as sensitive spectral range, sensitivity, spatial resolution, fatigue resistance and thermal stability.
比较了两类材料的感光光谱范围,感光灵敏度,空间分辨率,抗疲劳性,热稳定性等性能。
But the stress changing range in fatigue life curve is narrow.
不同的是该材料的疲劳寿命曲线的应力范围比较窄。
This paper analyses the relation between fatigue life and imposed preload of high strength bolt usually used in construction engineering and locates optimum working range to apply preload to it.
分析了工程上常用的高强度螺栓的疲劳寿命与施加的预紧力之间的关系,找出施加预紧力的最佳范围。
Using the samples with equal thickness to the tank and with the same size as the real undercuts, a simulation fatigue testes are performed under the stress range of an actual structure.
再采用与实物等厚度、与真实咬边等尺寸的模拟试样,进行与实际结构等应力范围条件下的模拟疲劳试验。
P The fatigue stress range for prestressing tendons shall be in accordance with en 10138 or given in an appropriate European Technical Approval.
疲劳应力范围必须与EN, 10138或相应欧洲技术认可中的规定一致。
This paper presents a review of the characteristics and mechanisms of fatigue crack propagation(FCP)at near-threshold range in various metals and alloys.
本文回顾了各种金属及合金在门坎区附近的疲劳裂纹扩展的机制和特征。
The law ofpermeability changes of different frequency range was studied during the wire rope fatigue test.
研究了钢丝绳弯曲疲劳历程中,磁导率在不同空间频率区间的变化规律。
The proposed formula used to evaluate the allowed fatigue stress range shows that a new amendment for the criterion of allowable fatigue stress provided in the current code is necessary.
提供的公式可用来估定合乎实用的疲劳应力幅值,表明现行规程中提供的疲劳容许应力指标需要加以修正。
The permissible stress range formula and transfer factor of fatigue stress range were deduced.
推导了疲劳许用应力范围计算公式和不同概率水平下疲劳应力的转换关系。
The results show that the increase of stress range value would result in decreasing the high temperature fatigue lifetime of the alloy and the difference of the deformation mechanism.
结果表明,应力幅值的增加会导致合金高温疲劳寿命的下降及使变形机制改变。
The heat-resisting bellows diaphragm valve has the advantages of wide applicable temperature range, high fatigue resistance and long service life.
本发明具有适用温度范围广,耐疲劳强度高,使用寿命长。
The fatigue crack growth rate and CTOD tests on type 304 stainless steel and weld metal were studied over the temperature range -162 degree C to room temperature.
疲劳裂纹扩展速率和CTOD测试型不锈钢304研究和焊缝金属的温度范围-162度到另一个房间 温度。
This paper presents a review of the characteristics and mechanisms of fatigue crack propagation at near-threshold range in various metals and alloys.
本文回顾了各种金属及合金在门坎区附近的疲劳裂纹扩展的机制和特征。
Hutchison estimates that bowel diseases, which cause a range of symptoms including abdominal pain, fever, fatigue, unintentional weight loss and ulcers, affect one million patients in the U. s.
据和记黄埔医药估计,美国有上百万病人感染肠道疾病。这些肠道疾病可引发腹痛、发烧、浑身乏力、非自愿性体重减轻和溃疡等一系列症状。
Results show that in the middle life range the fatigue strength of interference-fit riveting increases by about 25% compared with that of conventional riveting.
研究结果表明:在中寿命区,干涉配合铆接的疲劳强度比普通铆接的疲劳强度提高约25%。
The computer can solve a range of issues and has done hundreds or even thousands of times the logic to determine without feeling fatigue and boredom.
计算机能解决一系列的问题,并做数百甚至数千次逻辑判断而不感到疲劳和厌烦。
During fatigue loading stable crack growth was observed over the en-tire range of crack lengths investigated.
在疲劳加载中,裂纹扩展始终是稳定的。
The fatigue life can be obviously increased only in a specific range of radiative parameters, and in such a case the ability of anti fatigue-fracture can be considerably increased.
疲劳寿命仅在特定的辐照参数范围内才能显著地增加,抗疲劳断裂能力也会较大地提高。
Preceding works basis, a full-range nonlinear analysis of fatigue damage with the principle of piecewise linearity on flexural member of prestressed concrete is studied.
在此基础上,基于分段线性的原理,对高性能粉煤灰预应力混凝土受弯构件进行了疲劳损伤的全过程非线性分析。
Firstly, the modal analysis of the cabinet show that some natural frequencies are in the frequency range of loads, so the dynamic and fatigue performance of the electronic cabinet must be analyzed.
由模态分析得到新旧机柜都有一些固有频率在激励载荷的频率范围之内,故对新旧机柜开展动力学分析;
According to the result of fatigue experiment, it gets fatigue traits of ti alloy TC11, which is the relationship curve of the maximum loading strain range with fatigue life.
根据疲劳试验结果,获得了TC 11钛合金焊接接头的疲劳特性,即最大加载应变与疲劳寿命的关系曲线。
The fatigue life can be obviously increased only in a specific range of radiative parameters, and in such a case the ability of anti fatigue-fracture...
疲劳寿命仅在特定的辐照参数范围内才能显著地增加,抗疲劳断裂能力也会较大地提高。
The fatigue life can be obviously increased only in a specific range of radiative parameters, and in such a case the ability of anti fatigue-fracture...
疲劳寿命仅在特定的辐照参数范围内才能显著地增加,抗疲劳断裂能力也会较大地提高。
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