航空学报 > 1991, Vol. 12 Issue (2): 112-114

挤压强化技术在歼击机机翼油箱隔板延寿中的应用

刘文珽1, 李锦华2   

  1. 1. 北京航空航天大学 ;2. 成都飞机公司
  • 收稿日期:1990-06-27 修回日期:1990-09-07 出版日期:1991-02-25 发布日期:1991-02-25

APPLICATION OF EXTRUSION STRENGTHENING TECHNIQUE ON INCREASING LIFE OF WING-OIL-DIVISION

Beijing University of Aeronautics and AstronauticsLiu WentingChengdn Aircraft Company Li Jinhua1   

  1. 1. Beijing University of Aeronautics and Astronautics;2. Chengdu Aircraft Company
  • Received:1990-06-27 Revised:1990-09-07 Online:1991-02-25 Published:1991-02-25

关键词: 挤压强化, 载荷谱, 疲劳寿命

Abstract: Fatigue tests of analog specimens in which holes are extruded by different extrusion parameters are carried out under random load spectrum. Statistical comparison and analysis of test data show that extrusion strengthening significantly increases fatigue life of wing-oil-division. Also optimal extrusion parameters are chosen.

Key words: extrusion strengthening, load spectrum, fatigue life