外来物损伤对叶片疲劳寿命的影响

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1990, Vol. 11 ›› Issue (6): 253-260.

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EFFECT OF FOREIGN OBJECT DAMAGE ON THE FATIGUE LIFE OF COMPRESSOR BLADES

Sun Zhende¹, Lu Qixin²

1. Naval Aeronautical Engineering Academy;2. Nanjing Aeronautical Institute

Received:1989-01-18 Revised:1900-01-01 Online:1990-06-25 Published:1990-06-25

Abstract

Abstract: In this paper, the effect of Foreign Object Damage on the fatigue life of compressor blades and the repair scale of the FOD blades were investigated. Firstly, simulated .experiments of FOD on the leading edge of the blade were performed. Then, the damaged blades were fatigue tested. The data show that damages in different area of the leading edge of the blades have dissimilar effect on the fatigue life of the blades. The fatigue test of the damaged blades and repaired blades have been carried out respectively. According to the data, the repair scale of FOD blades was proposed.

Key words: foreign object damage, blade repair, fatigue life, experiment of compari-son

Sun Zhende;Lu Qixin. EFFECT OF FOREIGN OBJECT DAMAGE ON THE FATIGUE LIFE OF COMPRESSOR BLADES[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1990, 11(6): 253-260.

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EFFECT OF FOREIGN OBJECT DAMAGE ON THE FATIGUE LIFE OF COMPRESSOR BLADES

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