|
| Fretting Fatigue Crack Analysis of Aircraft Connecting Bolt |
| Received:March 08, 2011 Revised:October 15, 2011 |
| View Full Text View/Add Comment Download reader |
| DOI： |
| KeyWord:connecting bolt fretting fatigue crack cadmium embitterment |
| Author | Institution |
| LV Feng-jun |
Beijing Aeronautical Technology Research Center， Beijing ， China |
| FU Guo-ru |
Beijing Aeronautical Technology Research Center， Beijing ， China |
|
| Hits: |
| Download times: |
| Abstract: |
| The causes of certain type aircraft connecting bolt failure were analyzed with fracture inspection, X-ray energy analysis, and trace analysis. The results showed that the causes are fretting fatigue crack, and cadmium embitterment; cadmium embitterment is further induced by fretting fatigue cracks. The fretting fatigue cracks presented before the aircraft was overhauled, and cadmium penetrated into the inner of fretting fatigue cracks during cadmium plating of complete overhaul, and then the cadmium embitterment happened in service. |
| Close |