摘要
阐述螺栓由于受轴向变载作用产生交变应力而引起的疲劳破坏;分析螺栓的受力、疲劳破坏的主要影响因素、螺栓设计疲劳曲线及提高螺栓疲劳强度的措施.
This thesis elucidated and discussed the fatingue break - down caused by the alternate stresses under axle variable load, analysed the force on the bolt, the main factorscausing fatigue break - down, the designed curve of fatigue for bolt and the measures to increase the fatigue strength.
关键词
螺栓
应力幅
疲劳分析
bolt (screw)
stress amplitude
analysis of fatigue.
