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bending fatigue fracture
相关语句
  弯曲疲劳断裂
     ROTARY BENDING FATIGUE FRACTURE ANALYSIS OF THE FRONT HUB
     前轮毂旋转弯曲疲劳断裂分析
短句来源
     BEHAVIOUR OF BENDING FATIGUE FRACTURE OF WELDED JOINTS WITH CHANGING CROSS SECTION
     变截面焊接接头弯曲疲劳断裂行为研究
短句来源
     ROTARY BENDING FATIGUE FRACTURE ANALYSIS OF FAMILY SEDANS REAR SNUBBER PISTON ROD
     家轿后减振器活塞杆旋转弯曲疲劳断裂分析
短句来源
     In addition,the stress concentration due to the imprecisely controlled machining and the sudden change of the stiffness in the structure,and the alternating load also contributed to the multi-source biaxial bending fatigue fracture of the fixed-pivot shaft.
     此外,轴肩过渡圆弧加工质量欠佳和结构刚性突变,产生较大的应力集中,在交变弯曲载荷作用下,导致摇臂轴多源双向弯曲疲劳断裂.
短句来源
  “bending fatigue fracture”译为未确定词的双语例句
     Crankshaft is one of the most important components in internal-combustion engine. The main function of crankshaft is transmitting and outputting power, driving the mechanism and accessories. Mostly, the failure mode of crankshaft is bending fatigue fracture, the crankshaft fatigue crack is almost caused by the location of stress concentration in the fillet between crank web and crank journal, therefore, the strengthening of the fillet is the key point of prolonging crankshaft's life.
     曲轴是内燃机最重要的零件之一,其主要功能是传递与输出动力,驱动各运动机构和附件、曲轴的破坏形式主要是弯曲疲劳破坏,曲轴疲劳裂纹几何都起源于应力集中的部位——曲轴曲柄至轴颈的过渡圆角处,因此,圆角滚压是延长曲轴疲劳寿命的关键。
短句来源
  相似匹配句对
     Fatigue Fracture of the Ulna
     尺骨疲乏骨折
短句来源
     ROTARY BENDING FATIGUE FRACTURE ANALYSIS OF THE FRONT HUB
     前轮毂旋转弯曲疲劳断裂分析
短句来源
     Machines of Deformation and Fracture of PPTA Fibers Bending Fatigue
     芳香族聚酰胺(PPTA)纤维弯曲疲劳的形变和断裂机理
短句来源
     The fracture was a fatigue process.
     断裂性质属疲劳断裂。
短句来源
     FATIGUE.
     FATIGUE来对桥式起重机进行疲劳寿命估算的方法。
短句来源
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  bending fatigue fracture
Bending fatigue fracture of teeth of forged sintered steel gears
      


The bend fatigue property of 60Si2Mn steel has been studied. The effect of tensile overlood and compressive ouerlood on its bend fatigue behavior has been investigated. Bend fatigue fracture has been observed and analysed by using SEM. Results show that periodic tensile ouerllad can lengthen fatigue life,and periodic compressive ouerload can shorten bend fatigue life.

对60Si2Mn钢的弯曲疲劳性能进行了研究.考察了拉伸过载和压缩过载对其弯曲疲劳行为的影响规律.并用扫描电镜对疲劳断口进行了观察和分析.结果表明,周期性的拉伸过载可以延长弯曲疲劳寿命,而周期性的压缩过载则缩短弯曲疲劳寿命.

In this paper t he fatigue fracture mechanism of 50CrV 4 steel for automotive suspension coil spring is mainly discussed. The rotational bending fatigue fracture surface is observed by scanning electron microscope and the cause of fatigue fracture is analyzed in detail. Thenon-metallic inclusion is examined by optical microscope and scanning electron microscope aswell.

本文主要分析了轿车悬架螺旋弹簧用钢50CrV4的疲劳破坏机理。在扫描电镜下观察了轴对称旋转弯曲疲劳断口,对疲劳断裂的原因进行了详细的分析,并在光学和扫描电镜下分析了钢中的非金属夹杂物。

Under elastohydrodynamic lubrication (EHL),the bearing capacity of the gears used in oilfield equipments is improved.Therefore the contact fatigue of tooth surface and the bending fatigue fracture at the roots of teeth become main failure forms of the gears.Shot peening can improve various defects in their surface layer.The effect of shot peening on contact fatigue property is analysed in the aspects of bending fatigue of a single tooth,contact fatigue of tooth surface,contact fatigue...

Under elastohydrodynamic lubrication (EHL),the bearing capacity of the gears used in oilfield equipments is improved.Therefore the contact fatigue of tooth surface and the bending fatigue fracture at the roots of teeth become main failure forms of the gears.Shot peening can improve various defects in their surface layer.The effect of shot peening on contact fatigue property is analysed in the aspects of bending fatigue of a single tooth,contact fatigue of tooth surface,contact fatigue crack initiation and propagation,the microhardness,residual austenite,residual compressive stress and substructure in surface layer.The analysis results show that the residual compressive stress produced by shot peening and the phase change of microstructure caused by plastic deformation are main factors improving the contact fatigue strenght of the gears.

弹流润滑(EHL)条件下,石油矿场用大模数重载齿轮的承载能力得到提高,齿面接触疲劳失效与齿根弯曲疲劳断裂则成为其主要的失效形式.喷丸强化是改善齿轮表层种种缺陷的有效而简便的方法,喷丸产生的硬化层残余压应力场和显微组织相变是提高齿轮接触疲劳强度的重要因素.从单齿弯曲疲劳,齿面接触疲劳,接触疲劳裂纹萌生与扩展,表层显微硬度,残余奥氏体情况,表层残余应力及亚组织结构等方面讨论了喷丸对齿轮接触疲劳性能的影响.

 
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