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- bending stress fatigue limit 弯曲应力疲劳极限
- Keywords remanent stress fatigue limit fracture mechanics stress ratio; 残余应力;疲劳极限;断裂力学;应力比;
- The bending stress is zero for the element at B. 在B处的单元体,弯曲应力为零。
- Thus the bending stress is very easily computed. 因此,极容易计算出其弯曲应力。
- The bending stress is zero for the element at B . 在b处的单元体,弯曲应力为零。
- 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。
- The fracture and the surface of a hip joint fractured invivo has been studied by SEM.It is concluded that the fracture was due to corrosion fatigue cracking by bending stress. 利用SEM对实际使用时断裂的髋关节的断口和表面进行了分析,认为此关节的断裂为以弯曲应力为主的腐蚀疲劳断裂。
- The working condition of drillpipe is very serious, especially in the dogleg or build section.Large alterative bending stress gives rise to the fatigue failure of drillpipe. 钻柱工作条件恶劣 ,尤其在狗腿或弯曲井段时 ,较大交变弯曲应力常造成钻柱疲劳破坏 ,计算钻柱疲劳寿命可以为钻柱使用和管理提供依据。
- 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。
- The remote bending stress at the plate surface was measured. 板表面处的远场弯曲应力已被测出。
- I have no idea of their having found a better drill bending stress. 我没听说他们找到了能抵抗高弯曲应力的好钻杆。
- The Bending Stress Analysis of Model 81 Double Circular Arc Gears. 81型双圆弧齿轮的弯曲应力分析
- 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。
- Strain fatigue and stress fatigue are related by the influence coefficient of strain distribution. 通过应变分布影响系数把应变疲劳与应力疲劳联系起来。
- 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;
- The equation gives the value of the bending stress at any distance v from the neutral axis. 此式给出了至中性轴任意距离V处的弯曲应力值。
- A general life model adapted to both stress fatigue and strain fatigue is deduced, through analyzing the influence function of strain distribution on life. 本文通过应变分布对寿命的影响函数分析,导出了一种适用于应力疲劳和应变疲劳的通用寿命模型。
- Considering the time-variant mesh stiffness, the calculated results demonstrated the change of tooth root bending stress in one engagement period. 计算结果揭示了由于时变啮合刚度的影响齿根弯曲应力在一个啮合周期的变化规律。
- If you used a more flexible material for making these drillpipes, they would be able to sustain greater bending stress. 假如你使用一种更具挠性的材料来制造这些钻杆它们就能承受更大的弯曲应力。