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- estimation of fatigue strength 疲劳强度估算
- Defination of fatigue strength in unlimited fatigue design and forecasting judge in limited fatigue design are discussied in remanent stress field. 讨论了在残余压应力场中无限疲劳设计时疲劳极限的确定和有限疲劳设计时疲劳寿命的预测的判据。
- The main factors causing the decrease of fatigue strength of axle sleeves are stress concentration due to surface microfriction, microflaking pits and geometric shapes of samples. 造成套管疲劳强度下降的主要因素,是微动表面摩擦应力、微动剥落坑和试样几何形状三者引起的应力集中。
- The existence of reticulation and mass shape ferrite,decarbonization at the screw thread surface layer which induced decline of fatigue strength of connecting bolt were also... 此外,显微组织中网状、块状铁素体的存在以及螺纹表层脱碳使连接螺栓疲劳强度下降也是造成断裂的重要原因。
- The actual illustration and testing method of fatigue property of filtration material were presented. The fatigue strength property is very important in the application period for filtration material. 介绍了过滤材料耐疲劳特性的测试实例和试验方法。耐疲劳强度特性在过滤材料的使用期间是非常重要的一项性能。
- In this paper, the gain of fatigue strength of interference-fit riveting components compared with conventional riveting components is studied through tests, and the interference-fit filling effect of coronary rivet is estimated. 摘要通过试验，研究了干涉配合铆接试件相对于普通铆接试件疲劳强度的增益，估算了冠状铆钉干涉配合的填充作用。
- The S-N curve, the mathematical relationship of bend fatigue strength or life to strengthening loads and strengthening cycles, the maximum increments of fatigue strength and life were obtained by experimental digital processing. 通过对试验数据的处理，得到了两种结构弯曲疲劳强度的S-N曲线、弯曲疲劳强度和疲劳寿命与强化载荷、强化次数之间的数学关系，以及经过低载强化后弯曲疲劳强度和疲劳寿命提高的最大幅度。
- His estimation of their arrival time is not far off. 他对他们到达时间的估计基本准确。
- The practice of reliability design of fatigue strength of suspension gear for 16 tons skip shows that this method can provide a definite reliability and reduce the material consumption. 16吨箕斗悬挂装置的疲劳可靠性设计说明:可靠性强度设计能保证确定的安全可靠度、并可节约材料,减少浪费。
- The deflection is stiffness index, which depicts vertical deformation of asphalt pavement under the traffic loadings and can not replace long term performance of fatigue strength of asphalt pavement. 另一方面揭示弯沉等效表征的是路面结构的瞬间刚度性质，代替不了路面结构的长期疲劳强度特性。
- His estimation of their arrival time was not far off. 他对他们到达时间的估计基本准确。
- He has risen in the estimation of his friends. 他在朋友中的声望上升了。
- Estimation of Fatigue Life of Steel Structure for Tower Crane 塔式起重机钢结构疲劳寿命估算
- Survey of Fatigue Strength Theory of Turbine Rotor 汽轮机转子疲劳强度理论研究现状与展望
- Research of fatigue strength of vessel 船舶疲劳强度
- He is sinking in the estimation of his friends . 朋友们对他的评价在降低。
- He tried to form a true estimation of the newcomer. 他竭力对新来者作出正确的评价.
- Estimation of fatigue life of model WK-10 shovel bucket bar WK-10挖掘机斗杆疲劳寿命估算
- She felt a stealing sense of fatigue as she walked. 她一边走一边感到疲惫不堪。
- He is sinking in the estimation of his friends. 朋友们对他的评价在降低。
