Monitoring of Failure Mechanisms in FibeInternational Journal of Modern Physicsr Reinforcecd Composites during Cryogenic Colling by Acoustic Emission
- Title
- Monitoring of Failure Mechanisms in FibeInternational Journal of Modern Physicsr Reinforcecd Composites during Cryogenic Colling by Acoustic Emission
- Author
- 최낙삼
- Issue Date
- 2003-03
- Publisher
- WORLD SCIENTIFIC PUBL CO PTE LTD
- Citation
- International Journal of Modern Physics B v. 17, no. 08
- Abstract
- Microfractures in composite laminates during cryogenic cooling were monitored employing thermo-acoustic emission(AE). During the initial stage of cryogenic cooling, very strong AE signals with low and high frequency bands were dominantly detected showing a development of large cracks accompanying fiber breakages. After that, weak emissions with low frequency bands became prevalent indicating the propagation of microfractures in the matrix and/or fiber-matrix interface. It was concluded that the breakage of bridged-fibers hindering the macroscopic cracking in the initial stage might be the representative cryogenic damage of composite laminates.
- URI
- https://www.worldscientific.com/doi/epdf/10.1142/S0217979203019630https://repository.hanyang.ac.kr/handle/20.500.11754/155253
- DOI
- 10.1142/S0217979203019630
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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