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%。
Static mechanical and dynamic tensile fatigue properties of vulcanizates of gutta/natural rubber blends were tested.
对杜仲胶与天然橡胶共混硫化胶的静态力学性能及动态伸张疲劳性能进行了研究。
Under the action of tensile stress and tensile stress, the bolt with relatively low strength will crack first, and then the fatigue fracture will occur.
在拉应力和应拉力交替的作用下，强度相对较低的螺栓会先产生裂纹，进而发生疲劳断裂。
Some characteristics of the rolls, such as strength vs. Thermal shock, tensile strength and contact fatigue strength, influence spalling. Thus, strength was investigated as a hardness parameter.
辊子的一些特性，例如：强度、耐热性、抗拉强度、接触疲劳强度都和剥落有关。因此，强度可作为硬度的参数来研究。
Tensile and fatigue tests showed that this detector can effectively detect Che stress concentration of ferromagnetic component.
拉伸和疲劳循环试验说明了所研制的仪器能有效地检测构件的应力集中。
They are mainly concerned with the tensile and compressive behavior, energy absorption, dynamic impact, failure criterion and constitutive relation, creep, fatigue and fracture of these materials.
这些工作主要讨论了金属泡沫材料的拉伸、压缩、能量吸收、动态冲击、失效准则、本构关系、蠕变、疲劳和断裂等力学性能。
The fatigue failure types of the beams were fracture failure, bending tensile failure and shear compression failure.
这批试件的疲劳破坏形式为：折断破坏、弯拉破坏和剪压破坏。
The result shows: the local residual tensile stress and cyclic compressive loading thrust fatigue crack initiation and propagation in the size of compressive plastic zone.
结果表明，疲劳裂纹是在残余拉应力和循环压应力作用下萌生和扩展的，压塑性变形是裂纹萌生和扩展的必要条件。
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。
In the present study, tensile and repeated impact as well as rotated-bending fatigue tests were carried out.
本研究进行了渗硼试样的拉伸、多次冲击以及旋转弯曲疲劳试验，并与未渗硼试样进行比较。
The toughening mechanism of ADI was investigated by microstructure analysis and fracture characteristics of the specimens under tensile test. contact fatigue and stress fatigue.
通过奥贝球铁的单调拉伸加载、接触疲劳和应变疲劳等宏观断裂规律和微观分析，探讨其强韧化机制。
Finally, examples are given for predicting the fatigue crack initiation life from the tensile properties of steels.
最后给出了根据钢的拉伸性能估算疲劳裂纹起始寿命的实例。
Simple tensile tests and low-cycle fatigue tests under stress control at different temperature were conducted to investigate the effects of temperature on fatigue behavior and fatigue strength.
通过不同环境温度下的简单拉伸试验和应力控制下的低周疲劳试验，找出了环境温度对应力控制下的疲劳行为和疲劳强度的影响。
The microstructures and the tensile and fatigue properties of the domestic YUS110 and the imported SUS316L stainless steel wire rods were studied.
研究了国产仿YUS110及进口SUS316L两类静电除尘器不锈钢星形线材的显微组织、静拉伸性能与疲劳特性。
The mechanical characteristics of OPGW are very important to OPGW safe-running as earth wire, especially the tensile strength, creep and fatigue.
OPGW的力学特性对于OPGW作为地线安全运行很重要，尤其是拉断力、蠕变、振动疲劳特性。
The effects of textures on the elastic modulus, yield and tensile strength, fracture and fatigue properties as well as some problems on the application of texture strengthening were discussed.
列举织构对钛合金弹性、屈服、拉伸强度、断裂及疲劳等各种性能的影响；讨论了有关钛合金织构强化实际应用的一些问题。
The experiments on notched specimens of an Aluminium alloy indicat that the notch fatigue life can be increased by a tensile over-pre loading but decreased by a compressive over-pre loading.
预过载拉伸可提高铝合金缺口疲劳寿命，但效果不及喷丸； 过载量太大还使寿寿命趋于子下降。
The equiaxed structure has good tensile property, low fracture toughness and high fatigue crack propagation rate.
等轴组织具有较好的拉伸性能、低的断裂韧性和高的疲劳裂纹扩展速率；
The influence of the level of the pretreated short fibre on tensile strength, tear strength, flex fatigue and conductivity of the acetylene black filled VMQ/EPDM blend vulcanizate was studied.
研究了预处理短纤维用量对乙炔炭黑填充甲基乙烯基硅橡胶（VMQ）／EPDM共混硫化胶拉伸、撕裂、耐屈挠疲劳和导电性能的影响。
Heat treatment can increase the tensile strength and the hardness of the rail steel, and the contact fatigue strength is also increased.
通过热处理可提高轨钢的强度及硬度，接触疲劳强度也随之提高。
The uneven distribution of loading, the clamping damage and the stress concentration were thought to be the three key factors influencing the fatigue test of steel strand with pulsating tensile load.
受力不均、夹持损伤和应力集中是影响钢绞线脉动拉伸疲劳试验的三个关键问题。
The tensile and fatigue fracture mode is also different in different aging conditions, which is affected by the slip behavior of the alloy.
在不同时效状态，合金的拉伸和疲劳断裂方式亦不同，拉伸和疲劳断裂方式受合金形变行为的影响。
The fatigue life of the coiled tubing also increases with the improvement of its tensile strength.
随连续油管材料抗拉强度的提高，其疲劳寿命明显增加。
By analyzing the force applied on the tubing, the tensile strength and anti-fatigue strength of the tubing are calibrated.
通过对油管的受力分析，校核偏磨油管的抗拉强度和抗疲劳强度。
Fatigue crack characteristics are investigated based on the dynamic response simulation by finite element and the dynamic response experiments for tensile-shear spot-welded specimens.
利用三维有限元模拟和动态响应试验对点焊接头疲劳裂纹萌生和扩展特性进行了研究。
The fatigue fracture surface exhibits obviously impact facture characterization, when the crack propagates into overload tensile zone.
当裂纹扩展至拉伸过载区，断口表面则呈现明显的冲击断裂特征。
The effectiveness of the repair scheme, including the tensile strength, the fatigue life and the crack progress during fatigue was investigated experimentally.
结果表明，复合材料补片胶接修补能有效地提高裂纹板的破坏强度和刚度，降低裂纹板的疲劳裂纹扩展速率，提高其疲劳寿命。
The analysis on fatigue cracks of the outer race of aero-bearing shows that the distribution of residual tensile stress on race surface could reduce its contact fatigue life.
航空轴承外圈的疲劳裂纹分析表明，套圈表面的残余压应力分布致使轴承表面接触疲劳寿命降低。
The analysis on fatigue cracks of the outer race of aero-bearing shows that the distribution of residual tensile stress on race surface could reduce its contact fatigue life.
航空轴承外圈的疲劳裂纹分析表明，套圈表面的残余压应力分布致使轴承表面接触疲劳寿命降低。
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