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논문 기본 정보

자료유형
학술대회자료
저자정보
노형도 (울산과학기술대학교) 박영빈 (울산과학기술대학교)
저널정보
대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2014년도 추계학술대회
발행연도
2014.11
수록면
1,025 - 1,028 (4page)

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A carbon-glass hybrid fiber textile, fabricated by weaving continuous carbon and glass fibers simultaneously, is a unique reinforcement material that can compromise between performance and cost. It has long been known that carbon fiber-reinforced polymer composites ? continuous or chopped ? exhibit piezoresistive behavior, characterized by an increase in electrical resistivity upon mechanical loading. However, studies on piezoresistivity due to intra-/inter-tow and interlaminar interactions have been limited, not to mention the piezoresistivity of carbon-glass hybrid fiber composites. This paper presents an investigation of the self-sensing behavior of carbon-glass hybrid fiber composites from a monofilament level to single-tow and woven-fiber composite levels. It was found that the overall piezoresistivity of hybrid fiber composites is affected by complex combinations of the intrinsic piezoresistivity behavior of a monofilament, radial shrinkage of tows, inter-tow contacts, and interlaminar resistance changes. The piezoresistivity behavior of woven carbon fiber-reinforced composites was also characterized to provide the reference data and to elucidate the unique self-sensing features of hybrid fiber composites. Carbon-glass hybrid fiber composites can serve as self-sensing structures in various fields, including aerospace and civil infrastructures, and the findings from the study allow the composite engineers to tailor the composite design.

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Abstract
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2. 실험
3. 결과 및 토론
4. 결론
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