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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.19 No.2
- 발행연도
- 2017.1
- 수록면
- 127 - 136 (10page)
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초록· 키워드
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Fiber reinforced polymer (FRP) has received widespread attention in the field of civil engineering because of its superior durability and corrosion resistance. This article presents the damage mechanisms of a novelty composite called carbon nanofiber modified flax fiber polymer (CNF-modified FFRP). The ability of acoustic emission (AE) to detect damage evolution for different configurations of specimens under uniaxial tension was examined, and some useful AE characteristic parameters were obtained. Test results shows that the mechanical properties of modified composites are associated with the CNF content and the evenness of CNF dispersed in the epoxy matrix. Various damage mechanisms was established by means of scanning electron microscope images. The fuzzy c-means clustering were proposed to classify AE events into groups representing different generation mechanisms. The classifiers are constructed using the traditional AE features - six parameters from each burst. Amplitude and peak-frequency were selected as the best cluster-definition features from these AE parameters. After comprehensive comparison, a correlation between these AE events classes and the damage mechanisms observed was proposed.
목차
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참고문헌 (24)
참고문헌 신청
Allaoui, A. / 2002 / Mechanical and electrical properties of a MWNT/epoxy composite / Compos. Sci. Technol 62(15):1993~1998
Aslan, M. / 2013 / Investigation of damage mechanism of flax fibre LPET commingled composites by acoustic emission / Compos. Part B : Eng 54:289~297
Bezdek, J. C. / 2013 / Pattern recognition with fuzzy objective function algorithms / Springer Science & Business Media
Coelho, M. R. / 2015 / A review on the bond behavior of FRP NSM systems in concrete / Constr. Build. Mate 93:1157~1169
De Groot, P. J. / 1995 / Real-time frequency determination of acoustic emission for different fracture mechanisms in carbon/epoxy composites / Compos. Sci. Technol 55(4):405~412
Aslan, M. / 2013 / Investigation of damage mechanism of flax fibre LPET commingled composites by acoustic emission / Compos. Part B : Eng 54:289~297
Bezdek, J. C. / 2013 / Pattern recognition with fuzzy objective function algorithms / Springer Science & Business Media
Coelho, M. R. / 2015 / A review on the bond behavior of FRP NSM systems in concrete / Constr. Build. Mate 93:1157~1169
De Groot, P. J. / 1995 / Real-time frequency determination of acoustic emission for different fracture mechanisms in carbon/epoxy composites / Compos. Sci. Technol 55(4):405~412
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