2011 Fiscal Year Final Research Report
Rapid repair of CFRP structures monitored by structural health monitoring systems
| Project/Area Number |
22760621
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Aerospace engineering
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| Research Institution | The University of Tokyo |
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Principal Investigator |
MINAKUCHI Shu 東京大学, 大学院・新領域創成科学研究科, 助教 (70512359)
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| Project Period (FY) |
2010 – 2011
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| Keywords | 航空機 / 複合材料 / 衝撃損傷 / 構造ヘルスモニタリング / 補修 / 設計法 |
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| Research Abstract |
This study experimentally and numerically investigated effects of the uncertainty about detected-damage information on the strength of repaired parts. Simulated impact or lightning damage was introduced in specimens, and tensile tests were conducted using them after repairing. It was shown that the strength requirement of the repaired part can be fulfilled by deciding the size of the CFRP repair patch in consideration of the uncertainty about the damage information. Furthermore, required capability of an impact damage detection system combined with the rapid repair method was identified.
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