片语

contact fatigue failure接触疲劳损坏

Surface Contact Fatigue表面疲劳

surface contact fatigue stress表面接触疲劳强度

rolling contact fatigue滚动接触疲劳

contact t fatigue接触疲劳

contact fatigue tester接触疲劳试验机

contact fatigue limit stress接触疲劳极限应力

英汉例句

• the failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed.

  讨论了冷轧工作辊接触疲劳裂纹、剥落、夹杂物裂纹和磨损等失效形式。

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

  在本试验条件下，接触疲劳失效的主要形式为深层剥落和浅层剥落。

• experiments of contact fatigue under the action of combined stresses-hertsian stress and rotating bending stress were carried out.

  作者就赫兹应力和旋转弯曲应力联合作用下的接触疲劳进行实验研究。

• the intensity of bending fatigue and contact fatigue for gears is one of the important indices(indexes)to judge gear service life.

  齿轮的弯曲疲劳强度与接触疲劳强度是判断齿轮使用寿命的重要指标之一。

• the results showed that failure morphology was of typical contact fatigue characteristics, and two modes of fatigue crack formation worked.

  结果表明，失效形貌呈典型的接触疲劳特征，两种疲劳裂纹形成模式同时存在。

• the testing has proved that austenite-bainite ductile cast iron has superior fracture toughness and contact fatigue strength.

  实验结果表明，奥氏体-贝氏体球铁具有很好的断裂韧性和接触疲劳强度。

• effects of nano diamond particles on contact fatigue life of steel ball were evaluated on a self-made ball-rod contact fatigue tester.

  利用自制的球-棒疲劳试验机，研究了纳米金刚石粉对钢球接触疲劳寿命的影响。

• the macro profile and physicochemical examination of the tread oblique crack shows that the crack falls into the category of rolling contact fatigue type.

  踏面斜裂纹及断口的宏观形貌和理化检验与分析表明，踏面斜裂纹伤损属于滚动接触疲劳裂纹伤损类型。

• repeated impact tests on samples of laser cladding is done and microcosmic analysis to the appearance and mechanism of repeated impact contact fatigue damnification is mode.

  进行了激光熔覆试件的多沖碰撞试验，并对多沖碰撞接触疲劳损伤的表象和机理进行了微观分析。

• surface defects in ceramic bearing balls may significantly affect ball strength and reduce rolling contact fatigue lifetime.

  陶瓷轴承球的表面缺陷会严重降低球的强度和滚动接触疲劳寿命。

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

  但是目前对于超硬涂层材料滚动接触疲劳失效机理的研究还处于探索之中。

• the tests for the ductile fracture toughness and the contact fatigue are also carried out for examining serviceability and durability of austenite-bainite ductile cast iron.

  为了考察奥氏体-贝氏体球铁的可靠性和使用寿命，还进行了延性断裂韧度与接触疲劳性能的试验。

• the dissertation applies the design method and theory of modern mechanical system to design the new rolling contact fatigue tester for superhard coated materials.

  本文应用现代机械系统的设计方法和设计理念，研制了超硬涂层材料滚动接触疲劳试验装置。

• the contact fatigue tester has high contact stress, small volume, low noise, low consumption of test sam-pl, stable driving system and reliable results.

  认为该装置具有接触应力大，体积小，噪声小，一次试验耗油量小，试验系统传动稳定，试验结果可信等优点。

• all above work is using to reveal the mechanism of wheel/rail contact fatigue breakage.

  本文的工作对于揭示钢轨接触疲劳伤损的机理具有重要意义。

• 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着的影响，而对耐磨性影响很小。

• rolling contact fatigue of wheel and rail system is very serious due to the fierce action between wheel and rail.

  由于轮轨之间的剧烈作用，轮轨滚动接触疲劳的破坏现象是非常严重的。

• the test indicates that contact fatigue life and wear resistance of surface quenched casting steels and bainite quenched spherical cast iron are increased largely.

  试验表明：经过表面淬火的铸钢和经过贝氏体淬火的球墨铸铁，其接触疲劳寿命和耐磨性大幅度提高。

• the mechanism of the good contact fatigue resistance of the alloy was investigated.

  同时，对该合金优良的接触疲劳抗力的来源进行了探讨。

• the tester may be used to evaluate contact fatigue performances of balls made of various materials.

  该试验机可用于评定各种材料轴承用球的滚动接触疲劳性能。

• the results showed that the alloy coatings can increase significantly the contact fatigue lifetime of alloy cast-iron gears. the microstructure and properties of coatings were also analysed.

  试验结果表明：表面合金涂层能显着提高合金铸铁齿轮的接触疲劳寿命，文中同时分析了合金涂层的组织结构和性能。

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

  接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。

• this research studies the effect of different carbon and chrome content on the microstructure, carbides, hardness and contact fatigue life of the stainless bearing steel.

  通过试验研究了不同碳、铬含量对不锈轴承钢的显微组织、碳化物、硬度和接触疲劳寿命的影响。

• 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。

• 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。

• this paper describes the performance test, contact fatigue strength test and bending fatigue strength test on the gear reducer of involute point contact ferrographical analysis is made.

  本文对渐开线点啮合齿轮减速器进行了性能试验、接触疲劳强度和弯曲疲劳强度试验，同时还进行了铁谱分析。