Investigation of damage behavior and gas permeability of CFRP laminates under cyclic loadings for cryogenic propellant tank application
| Project/Area Number |
21760648
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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 |
YOKOZEKI Tomohiro The University of Tokyo, 大学院・工学系研究科, 准教授 (50399549)
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| Project Period (FY) |
2009 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2009: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | 構造・材料 / 極低温燃料タンク / 複合材料 / 構造・機能材料 / 宇宙輸送機 / 複合材料・物性 / 水素 |
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| Research Abstract |
Damage behavior and fuel leakage through the accumulated damages in carbon fiber-reinforced plastics (CFRP) under cyclic loadings were experimentally investigated to evaluate the applicability of CFRP to the cryogenic fuel tanks of space launch vehicles. Formation and accumulation behavior of microcracks and its relation to the fuel leakage were clarified. It was shown that CFRP laminates exhibit no leakage up to the specific load level, even when some damages are induced.
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Report
(3 results)
Research Products
(6 results)
