• 疲劳破坏 - 引用次数：2

  When the rotor works, the condition of the stress is complex, also the condition of runner working is bad in practical, these stabilize and unstable factor brings dissolute-exciting force and metabolic change centrifugal force, which will make the blade libration, the long time vibrancy causes the machine constructure’s endurance failure, because of it the dynamic stress comes out ,which become the important reason the blade having crack.

  转子在工作过程中,应力状况较复杂,且在实际工作中转轮的工作环境恶劣,这些稳定和非稳定因素会造成风流激振力及变化的离心力,使其叶片产生振动,长时间的机组振动引起机器结构的疲劳破坏,并由此引起的动应力往往成为叶片产生裂纹的一个最重要原因。

  参考来源 - 叶轮机械含裂纹叶片转子系统的非线性动力学研究
  疲劳破裂
• 疲劳断裂

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