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| Research on Influence of Marine Atmosphere on Stress Corrosion of TA15 Titanium Alloy |
| Received:August 22, 2011 |
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| DOI： |
| KeyWord:TA15titanium alloy stress corrosion cracking crack propagation fracture surface analysis |
| Author | Institution |
| ZHU Yu-qin |
1. No.59Research Institute of China Ordnance Industry，Chongqing，China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection，Chongqing，China |
| SU Yan |
1. No.59Research Institute of China Ordnance Industry，Chongqing，China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection，Chongqing，China |
| SHU Chang |
1. No.59Research Institute of China Ordnance Industry，Chongqing，China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection，Chongqing，China |
| LUO Lai-zheng |
1. No.59Research Institute of China Ordnance Industry，Chongqing，China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection，Chongqing，China |
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| Abstract: |
| Stress corrosion cracking (SCC) behavior of TA15titanium alloy before and after 2years exposure in marine platform and marine splashing zone was studied using WOL specimen and static displacement method. The pre-cracking condition of TA15titanium alloy was discussed. KISCC of the alloy was measured using cracking ending method.lg（da/dt）-KI curves were plotted and the relationship between stress field intensity factorsKI and velocity of crack propagation da/dt was discussed. The fracture surface was inspected using SEM and the fracture characteristics were discussed. |
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