航空学报 > 1994, Vol. 15 Issue (8): 1017-1023

单向加载疲劳机上燕尾形榫联接微动损伤试验件设计

黄致建1, 朱如鹏2, 潘升材2   

  1. 1. 沈阳航空发动机研究所二室,沈阳,110015;2. 南京航空航天大学501教研室,南京,210016
  • 收稿日期:1993-05-13 修回日期:1993-08-25 出版日期:1994-08-25 发布日期:1994-08-25

THE DESIGNING OF THE SPECIMEN OF DOVETAIL JOINT IN UNIDIRECTIONALLY-LOADED FATIGUE TEST RIG

Huang Zhijian1, Zhu Rupeng2, Pan Shencai2   

  1. 1. Second Dcpartment,Shenyang Aeroengine Institute,Shenyang,110015;2. Faculty 501,Nanjing University of Aeronautics and Astronautics,Nanjing,210016
  • Received:1993-05-13 Revised:1993-08-25 Online:1994-08-25 Published:1994-08-25

摘要: 利用变摩擦系数接触边界元方法,对等厚盘燕尾形榫联接表面的接触参数进行了计算分析。并依据其计算结果以及对分离出的榫头/榫槽的受力分析,设计一种在单向加载疲劳机上进行模拟实际工况的燕尾形榫联接微动损伤试验的试验件,将该试验件应用于实际试验,得到了令人满意的结果。

关键词: 微动磨损, 疲劳, 微动磨蚀, 联接

Abstract: n order to reproduce the fretting damages between the blade and disk of dovetail joint and measure its fretting fatigue life, the method of varied-friction-coefficient boundary element is used to calculate the contact characters of dovetail joint of isopachous disk.According to the calculated results and the analysis of the forees of dovetail joint,a kind of specimen is de- signed which can simulate the fretting damage of dovetail joint under practical working condition in a unidirectionally loaded fatigue test rig.The test results are satisfactory.

Key words: fretting, fatigue, fretting corrosion, Joints Oounctions

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