Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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RESEARCH PAPERS : Influence of Ozone Treatment of Carbon Fibers on GIIC of Carbon Fiber-reinforced Composites

연구논문 : 오존처리된 탄소섬유가 탄소섬유 강화 복합재료의 GIIC에 미치는 영향

Park, Su Jin;Seo, Dong Hak
박수진;서동학

  • Published : 20030000
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Abstract

본 실험에서는 오존처리된 탄소섬유가 복합재료의 기계적 계면 물성에 미치는 영향에 대하여 고찰하였다. 탄소섬유의 표면성질은 산염기도, FT-IR, XPS, 그리고 접촉각 측정을 통하여 알아보았으며, 복합재료의 기계적 계면특성은 층간파괴인성특성(critical strain energy release rate mode II; GIIC)을 통하여 고찰하였다. 실험결과, 탄소섬유를 오존처리함에 따라 탄소섬유 표면의 산도와 O1s/C1s비율이 증가하였는데, 이는 탄소섬유 표면의 산소관능기 발달에 기인하며, 표면자유에너지의 증가는 극성요소의 증가에 기인하는 것으로 판단된다. 기계적 계면성질인 GIIC 값은 탄소섬유의 오존처리로 향상되어졌는데, 이는 탄소섬유 표면 젖음성 향상에 따른 최종 복합재료의 섬유와 매트릭스 사이의 계면결합력이 증가하였기 때문이라 판단된다.

Keywords

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