• Also it reduces suck rod fatigue failure to prolong working life.

    这样可以降低疲劳损坏,延长抽油杆的使用寿命。

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  • The results indicated that the fracture mode is the fatigue failure.

    结果表明断裂形式弯曲疲劳断裂。

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  • Fatigue failure results from accumulation of cracks of deformation pro - cess of material.

    疲劳破坏材料变形过程中产生裂纹积累

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  • Low cycle multiaxial fatigue failure is the main failure mode of aeroengine compressor disk.

    循环多轴疲劳失效航空发动机低压压气机轮盘主要失效形式

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  • The fatigue crack growth curve from initial crack size till fatigue failure is simulated step by step.

    循环续循环模拟计算裂纹初始长度一直到疲劳破坏的扩展曲线

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  • But the study on the rolling contact fatigue failure mechanism of super hard material coati-ngs is in grope.

    但是目前对于涂层材料滚动接触疲劳失效机理研究还处于探索之中。

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  • It is very important to prevent fatigue failure, optimize wheel design and secure the safety of rolling stock.

    预防车轮疲劳失效优化车轮设计保障行车安全,具有重要意义。

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  • Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure.

    交变引起的结构交变应力必将导致结构局部疲劳损伤

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  • Aimed at the fatigue failure of electric bike shock absorber, a probabilistic estimation method is put forward.

    针对电动车后避疲劳失效损坏,提出疲劳损坏概率估计

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  • The fatigue failure types of the beams were fracture failure, bending tensile failure and shear compression failure.

    批试件疲劳破坏形式为:折断破坏、破坏破坏。

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  • The synthesis of thermal, centrifugal and aerodynamic stresses may cause the low cycle fatigue failure of the blades.

    这种应力离心应力、气动应力合成综合应力可能引起涡轮叶片的循环疲劳失效

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  • The dynamic effects due to vibration should be taken into account by the designer if fatigue failure is to be avoided.

    为了避免弹簧疲劳破坏设计者应对弹簧振动引起动力影响加以考虑

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  • Thermal fatigue. A type of fatigue failure wherein the cyclic stresses are introduced by fluctuating thermal stresses.

    一种疲劳失效类型循环应力由于交变应力引起的。

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  • Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.

    接触疲劳失效轴承工作表面受到交变应力作用产生失效。

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  • According to the fatigue failure character of riveted members, a simplified fracture mechanics model (SFMM) was developed.

    根据铆接构件疲劳破坏特征,建立了铆接钢桥简化断裂分析模型

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  • Under the condition of our experiments, the main forms of contact fatigue failure are deep-spalling and shallow - spalling.

    试验条件接触疲劳失效主要形式深层剥落浅层剥落。

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  • The brake rims on drilling rig drawworks are subjected to heat load during string lowering and will end in thermal fatigue failure.

    石油钻机绞车刹车下钻过程由于负荷的作用发生疲劳破坏

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  • Aimed at the different fatigue failure types of the beams, the failure causes are analyzed. A concept of critical reinforcement ratio is offered.

    针对不同疲劳破坏形式分析了产生不同破坏形式原因,提出界限配筋概念

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  • Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given.

    介绍了冶金起重机金属结构偏模拟主梁疲劳失效分析研究结果,提出疲劳失效的原因改进措施。

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  • The thermal shock failure of ceramic coating is essentially the fatigue failure induced by cyclic thermal stress during repeated heating and cooling.

    陶瓷涂层失效由于涂层在循环加热冷却过程中,涂层内产生循环应力,导致涂层发生热疲劳失效。

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  • This paper studies the relationship between the static toughness and fatigue failure firstly, then getting the damage formula expressed by toughness.

    本文研究材料静力韧性疲劳损伤之间的关系,在此基础上得到用韧性表示损伤表达式

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  • It revealed that alternating stress in long time cause the bolt fatigue failure, meanwhile the failure process was also effected by superheating steam.

    认为主要原因螺栓长期服役交变应力引起疲劳失效所致。过热蒸汽介质对疲劳失效有影响。

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  • The goal was to come up with a nanometal that was strong enough, hard enough and "supple" enough to resist fatigue failure and wear in advanced applications.

    我们目标提供足够强度硬度,又兼具足够抵御破坏的纳米材质,使其能够高级应用相借合。

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  • The comparing result showed that the arc transition area between rod and head was easy to produce stress concentration which results in fatigue failure.

    结果表明连杆螺栓杆部头部过渡圆弧处容易产生应力集中造成疲劳断裂。

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  • Because of the large deformation of the soft base structure, the pavement would have fatigue failure under heavy load to make the road losing its function.

    柔性基层结构由于基层结构变形,在重载交通条件,路面面层短期内在重复荷载作用下易产生疲劳破坏导致路面结构层的功能丧失。

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  • Because of the large deformation of the soft base structure, the pavement would have fatigue failure under heavy load to make the road losing its function.

    柔性基层结构由于基层结构变形,在重载交通条件,路面面层短期内在重复荷载作用下易产生疲劳破坏导致路面结构层的功能丧失。

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