2011 Fiscal Year Final Research Report
Direct measurement of helium embrittlement on grain boundary by laser
| Project/Area Number |
21360462
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nuclear engineering
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| Research Institution | Hachinohe Institute of Technology (2011)
Tohoku University (2009-2010) |
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Principal Investigator |
SATOU Manabu 八戸工業大学, 大学院・工学研究科, 准教授 (40226006)
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| Co-Investigator(Renkei-kenkyūsha) |
HASEGAWA Akira 東北大学, 大学院・工学研究科, 教授 (80241545)
NOGAMI Shuhei 東北大学, 大学院・工学研究科, 准教授 (00431528)
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| Project Period (FY) |
2009 – 2011
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| Keywords | ヘリウム脆化 / 異種材料界面 / 界面強度 / レーザー衝撃試験 |
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| Research Abstract |
It is necessary to clarify the influence of the nuclear transmutation helium on the grain boundary embrittlement of the materials from the viewpoint of utilization of the high-burnup nuclear fuels and the viewpoint of the plant life management of the power station of safer operation. A laser shock spallation method was developed, by research activity concerning especially reproducibility, the detection limit and accuracy of reduction of grain boundary strength were clarified, and the feasibility to direct measurement of helium grain boundary embrittlement was shown.
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