2014 Fiscal Year Final Research Report
Development of SHM System for Long Term Monitoring of Adhesively Bonded Structures
| Project/Area Number |
24560115
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Materials/Mechanics of materials
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| Research Institution | Ritsumeikan University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
NOMURA Yasutoshi 立命館大学, 理工学部, 任期制講師 (20372667)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Keywords | 機械材料・材料力学 / 損傷力学 / ヘルスモニタリング |
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| Outline of Final Research Achievements |
The effects of applied force on piezo-electric properties of PZT transducers were studied to improve the long term reliability of PZT transducers. A SHM system for CFRP adhesively bonded structures was proposed using the newly developed PZT transducers and diagnostic software.
The results suggested that the microscopic damages of PZT transducers caused by applied force could be reduced by stress shielding plates with thermal residual stress. The internal damages induced in adhesive layer could be quantitatively evaluated using the scalar index based on the dispersion of Lamb waves.
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| Free Research Field |
機械工学
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