지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 동향자료
- 저자정보
- 발행연도
- 2008.1
- 수록면
- 316 - 323 (8page)
이용수
초록· 키워드
오류제보하기
The factors that influence ablation resistance in fiber composites are properties of the reinforced fiber and matrix, plugging quantity of fiber, geometrical arrangement, crack, pore size, and their distributions. To examine ablation resistance according to distribution of crack and pore size that exist in carbon/carbon composites, this study produced various sizes of unit cells of preforms. They were densified using high pressure impregnation and carbonization process. Reinforced fiber is PAN based carbon fiber and composites were heat-treated up to $2800^{\circ}C$. The finally acquired density of carbon/carbon composites reached more than $1.932\;g/cm^3$. The ablation test was performed by a solid propellant rocket engine. The erosion rate of samples is below 0.0286 mm/s. In conclusion, in terms of ablation properties, the higher degree of graphitization is, the more fibers that are arranged vertically to the direction of combustion flame are, and the less interface between reinforced fiber bundle and matrix is, the better ablation resistance is shown.
목차
등록된 정보가 없습니다.
참고문헌 (13)
참고문헌 신청
Donald, L. / 1997 / The 42nd International SAMPE Symposium :1482
Savage, G. / 1993 / Carbon-Carbon Composites / Chapman and Hall :157
Schwartz, M. / 1992 / Composite Materials Handbook / McGraw-Hill :153
Rand, B. / 1993 / Essentials of Carbon-Carbon Com / Royal. Chem. Soc. Rev. Cambridge 67
Rodriguez, M. / 1995 / Carbon 33:545
Savage, G. / 1993 / Carbon-Carbon Composites / Chapman and Hall :157
Schwartz, M. / 1992 / Composite Materials Handbook / McGraw-Hill :153
Rand, B. / 1993 / Essentials of Carbon-Carbon Com / Royal. Chem. Soc. Rev. Cambridge 67
Rodriguez, M. / 1995 / Carbon 33:545
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