Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Fabrication and Properties of Self-diagnosis GFRP for Low Loading

저하중용 자기진단 GFRP의 제조와 특성

  • Shin, Soon-Gi (Center for Advanced Net Shape Manufacturing and Clean Processes, Dong-A University) ;
  • Lim, Hyun-Ju (Division of Metallurgical and Materials and Chemical Engineering, Dong-A University) ;
  • Lee, Jun-Hee (Division of Metallurgical and Materials and Chemical Engineering, Dong-A University)
  • 신순기 (동아대학교 신소형재 가공청정 공정개발 연구센터) ;
  • 임현주 (동아대학교 재료금속ㆍ화학공학부) ;
  • 이준희 (동아대학교 재료금속ㆍ화학공학부)
  • Published : 2003.11.01
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Abstract

A CP-GFRP(Carbon Powder-Glass Fiber Reinforced Plastic) sensor was fabricated for fracture detection. The electric resistance of the sensor was measured on condition of various composition of carbon powders and thickness of bundle of glass fibers. The resistance of the sensor was decreased as the increase of the content of carbon powders and the TEX of the glass fibers. In the case of loading on CP-GFRP, because inner crack was propagated, the part of percolation structures was disconnected. These observations show the following results. The conduction of CP-GFRP sensor is due to percolation structure of carbon powders and increase of resistance is due to expansion of cracks.

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References

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