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- The fatigue limit of 45 steel has increased by a fac-tor of 55 and 74%. 45钢的疲劳极限分别提高55%25和74%25。
- Compressive residual stress are the main factor in the increase of torsion fatigue limit. 喷丸后扭转疲劳极限提高的主要原因是残余压应力的作用。
- It is proved that plain concrete does not have a fatigue limit while for FRC it is uncertain. 结果素混凝土不存在疲劳机限；纤维混凝土是否存在确定的疲劳极限值仍属未知；
- Compressive residual stress are the main factor in the increase of torsion fatigue limit . 喷丸后扭转疲劳极限提高的主要原因是残余压应力的作用。
- Based on uncertainty system with universal Grey mathematics,an uncertainty system model USM-1to fatigue limits prediction was put forward,the method of precision inspection was introduced. 分析疲劳强度估计的现状后,运用泛灰色不确定性系统理论,建立了疲劳强度估算的不确定性系统模型USM-1,给出了精度检验方法。
- The estimating formulae of nonsymmetry cycle fatigue limits for aluminium alloy smooth specimens are presented in this paper. The estimating formulae can be used for fatigue design. 提出铝合金光试样非对称循环疲劳极限的估算公式。该公式可供疲劳设计使用。
- Results showed that the fatigue behavior of the YW-1 adhesive beared a resemblance to that of the metal material and the fatigue limit value of the copper oxide-phosphate inorganic adhesive was equal to 41 25% of the static strength value. 结果表明 :磷酸氧化铜无机胶的抗拉疲劳特性与金属材料的特性较相似 ,该无机胶的抗拉疲劳极限为其静拉伸剪切强度的 41 2 5%25。
- After experimental data processing, material's viscousness coefficient was acquired and a new method to determine fatigue limit by the threshold of plasticity energy dissipation was given. 通过对试验数据的分析，求出了材料的黏性系数，给出了利用塑性能耗的起点确定材料疲劳极限的方法。
- The result indicates that the improvement of the fatigue limit is due to the nano-crystallization and severe plastic deformation in the surface layer induced by high-energy shot peening. 结果表明,高能喷丸后其表层组织发生严重塑性变形并实现组织纳米化,是提高弯曲疲劳寿命的主要原因。
- Because the HMA fatigue limit is the theoretical base of perpetual pavement design, to grasp the strain distribution and strain action of HMA layer is key for perpetual pavement design. 摘要沥青混合料疲劳极限的存在是永久路面结构设计的主要理论依据，因此掌握沥青层底应变的分布和应变行为规律是永久路面设计的关键。
- According to the fatigue limit theory, the cumulative damage method was used to calculate the pavement fatigue life, and the fatigue life of perpetual pavement test road was analyzed. 根据疲劳极限理论，提出永久路面疲劳寿命的累积损伤分析法，并用累积损伤法对试验路的疲劳寿命进行了计算分析。
- To improve this I made a modification from two sides:to increase the fatigue limitation of shaft and to decr... 改进后的导纸辊投入使用后,效果良好,经半年多运行,未发生轴头断裂现象。
- Three parameters quantitatively describe the fatigue limit, the toughness and the characteristic fatigue life of material in the model and a convenient method to obtain the parameters was mentioned. 该模型中的三个参数分别反映了材料的疲劳极限、韧性以及特征疲劳寿命，同时给出了求解这些参数的方法。
- He was beaten out with fatigue when he got home. 他回到家里时已是疲惫不堪。
- She fell out from extreme fatigue. 她由于极度疲劳而掉队了。
- A very funny joke may relieve you of a whole day's fatigue. 一则非常滑稽的笑话可以使你消除一天的疲劳。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
- fatigue limit endurance strength [化] 持久极限; 疲劳极限; 耐久强度
- completely reversed fatigue limit 全交变疲劳极限
- I'm willing to help, within limits. 我愿适当予以帮助。
