화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Applied Chemistry for Engineering, Vol.26, No.4, 406-412, August, 2015
DOI10.14478/ace.2015.1035  Export Citation
석탄계 및 석유계 피치가 함침된 탄소/탄소 복합재료 제조 및 특성
Preparation and Characteristic of Carbon/Carbon Composites with Coal-tar and Petroleum Binder Pitches
양재연1, 2, 박상희3, 박수진4, 서민강1, 2, †
  • 1한국탄소융합기술원
  • 2전주대학교 탄소융합공학과
  • 3GS칼텍스 중앙기술연구소
  • 4인하대학교 화학과
Jae-Yeon Yang1, 2, Sang-Hee Park3, Soo-Jin Park4, and Min-Kang Seo1, 2, †
  • 1Korea Institute of Carbon Convergence Technology, Jeonju 561-844, Korea
  • 2Department of Carbon Fusion Engineering, Jeonju University, Jeonju 560-759, Korea
  • 3R&D Center, GS Caltex Corporation, Daejeon 305-380, Korea
  • 4Department of Chemistry, Inha University, Incheon 402-751, Korea
E-mail:
초록
일방향의 탄소/탄소 복합재료는 탄화 매트릭스의 전구체인 페놀수지를 사용하여 단일 공정을 통하여 제조하였으며, 탄소/탄소 복합재료의 밀도와 기계적 물성을 향상시키기 위하여 페놀수지에 산화몰리브덴(MoO3)과 바인더 피치를 첨가하였다. 본 연구에서는 MoO3와 바인더 피치 첨가로 인한 탄소/탄소 복합재료의 기계적 물성에 미치는 영향에 대해 굴곡강도와 층간전단강도 측정을 통하여 고찰하였다. 결과적으로 MoO3와 바인더 피치가 첨가된 탄소/탄소 복합재료들은 탄소섬유와 매트릭스간의 계면결합력 증가로 인하여 기계적 물성이 향상됨을 관찰할 수 있었다. 이는 MoO3와 바인더 피치를 첨가함으로써 탄소/탄소 복합재료의 흑연구조가 발달함과 동시에 밀도를 향상시킬 수 있음을 나타낸다.
Unidirectional carbon/carbon (C/C) composites were manufactured using phenolic resins as a precursor of the carbonized matrix throughout a one-step manufacturing process. Also, molybdenum oxide (MoO3) and binder pitches were impregnated with phenolic resins to improve the bulk density and mechanical property of the C/C composites. In this study, the influence of MoO3 and binder pitches on mechanical properties of the C/C composites were investigated by measuring flexural strength (?f) and interlaminar shear strength (ILSS). The results show that the enhancement of interfacial adhesions between the fibers and matrix resins of the C/C composites with MoO3 and binder pitches which led to the improvement of mechanical properties of the C/C composites. This indicates that the presence of MoO3 and binder pitches in C/C composites can develop the graphite structure and increase the bulk density.
Keywords:C/C composites;phenolic resins;binder pitches;mechanical properties
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