作者签名:日期:南京航空航天大学硕士学位论文- 1 -第一章绪论1.1 选题背景微动损伤(Fretting Damage)是存在近似静止配合的机械零件中的一种损伤形式,它是指两个相互接触表面在一定法向载荷下,表面存在小幅相对振动(一般相对振幅小于...
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Fretting damage exists on tightly mating parts at large, which is one of the disaster reason making components and parts fail.
微动损伤普遍存在于紧密配合部件中，是造成零部件失效的主要祸患之一。
Current palliative measures against fretting damage of the axle have been reviewed and some Suggestions have been put forward.
本章最后简单的评述和比较了现有的车轴抗微动损伤的措施，并进一步提出了自己的建议。
The experimental results shown that Ti-i 023 alloy is very sensitive to fretting damage, fatigue strength is decreased by 50%.
试验结果表明，该合金对微动损伤十分敏感，常温疲劳强度下降达50％。
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