旋转弯曲疲劳强度是抗裂纹扩展能力的判据。
The rotating bending fatigue strength is the criterion of resistance to propagation of hot cracks.
齿轮钢要求具有高的弯曲疲劳强度和接触疲劳强度。
High bending fatigue strength and contact fatigue strength are needed for heavy duty gear steels.
对各种状态的奥贝球铁齿轮的弯曲疲劳强度进行了试验研究。
The bending fatigue strengths of ADI gears treated with different processes were test and compared.
应用齿顶整圆弧滚刀是提高齿轮弯曲疲劳强度的有效措施之一。
Full radius hob on tooth tip is one of the effective measures by increasing gear tooth bending strength.
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 intensity of bending fatigue and contact fatigue for gears is one of the important indices (indexes) to judge gear service life.
减速器中齿轮通过齿面接触疲劳强度来计算，通过齿根弯曲疲劳强度验算；
The speed reducer gear tooth surface through contact fatigue strength to calculate, through the tooth root bending fatigue strength check;
本文运用三维有限元法，从零件可靠性设计这个角度分析了曲轴单拐的弯曲疲劳强度。
The paper analyses the bending fatigue strength of a crankshaft single crank from the view point of reliability design by means of 3d finite element method.
目前，国内柴油机行业普遍使用的曲轴弯曲疲劳强度试验台架，均采用音叉共振板结构。
At present, tuning-folk resonance plate structure is common used in crankshaft bending fatigue test bench in domestic diesel engine industry.
特别是对齿根过渡曲线白勺准确建模，保证了对齿根弯曲疲劳强度停止有限元分析白勺准确性。
Especially the accurate modeling of the transition curve of dedendum, which ensures the accuracy of bending fatigue strength of the tooth root by the finite element analysis.
经过低幅载荷强化，该齿轮轮齿的弯曲疲劳强度提高了3.97%，弯曲疲劳寿命提高了109%。
By strengthening under low amplitude loading, bend fatigue strength and life of gear teeth can be increased by 3.97 and 109 percents, respectively.
研究动态应变时效对18 - 8型奥氏体不锈钢室温及高温下的抗拉及光滑弯曲疲劳强度的影响。
The of effects of dynamic strain aging on the tensile and smooth rotating strength of 18-8 type austenitic stainless steel at room and elevated temperatures were investigated.
研究证明：底层撒布较长钢纤维的聚丙烯腈纤维混凝土梁的弯曲疲劳强度比素混凝土提高15.7％；
The test results show that, the flexural fatigue strength of polyacrylonitrile fiber reinforced concrete beams with bottom layer steel fiber is larger than the plain concrete 15.7% ;
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。
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.
在试验结果的基础上，得到了该齿轮轮齿弯曲疲劳强度、弯曲疲劳寿命随低载强化次数和强化载荷变化的函数关系。
Based on the experimental results, the relationships between bend fatigue strength, life of the gear teeth and strengthening loads as well as strengthening cycles are obtained.
结论：采用真空搅拌骨水泥的方法，提高了国产骨水泥的抗疲劳强度及静态抗弯曲强度，在临床应用有较大的积极意义。
Conclusion: the values of fatigue strength and bending strength of the bone cement were improved by vacuum mixing. The method of vacuum mixing has an active significance in clinic.
然后测量涂层和基体的硬度，并通过采用旋转弯曲疲劳试验比较涂层试样与未涂层试样的疲劳强度。
Then hardness of coatings and substrate was measured. By means of bend-rotation fatigue tests, fatigue strength of coating and uncoating specimens was compared after hardening and tempering.
然后测量涂层和基体的硬度，并通过采用旋转弯曲疲劳试验比较涂层试样与未涂层试样的疲劳强度。
Then hardness of coatings and substrate was measured. By means of bend-rotation fatigue tests, fatigue strength of coating and uncoating specimens was compared after hardening and tempering.
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