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| Research on Pre-corrosion Fatigue Scatter Factor |
| Received:December 30, 2010 Revised:June 15, 2011 |
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| DOI： |
| KeyWord:fatigue scatter factor pre-corrosion maximum stress |
| Author | Institution |
| WANG Hong-bin |
Aircraft Strength Research Institute of China，Xi′ an ，China |
| LIU Hai-yan |
Aircraft Strength Research Institute of China，Xi′ an ，China |
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| Abstract: |
| The fatigue scatter factors of LY12CZ aluminum-alloy with different pre-corrosion times were calculated by three kinds of classical equation and analyzed by contrast with each other. The laws of the fatigue scatter factor change with the maximum stress and pre-corrosion times were studied. The calculating equations of pre-corrosion contribution coefficient were established and the relationship between the coefficient and the corrosion fatigue influencing factor was put forward. |
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