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논문 기본 정보

자료유형
학술저널
저자정보
Joo, Hyeok-Jong (Department of Polymer Science and Engineering, Chungnam National University) Lee, Nam-Joo (Department of Polymer Science and Engineering, Chungnam National University) Oh, In-Seok (Department of Fire Safety Engineering, Chongyang Provincial College)
저널정보
한국탄소학회 Carbon science Carbon science 제4권 제1호
발행연도
2003.1
수록면
24 - 30 (7page)

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In this study, densified 4D carbon/carbon composites were made from carbon fiber and coal tar pitch through the process of pressure impregnation and carbonization and then followed by carbonization and graphitization. To improve the oxidative resistance of the prepared carbon/carbon composites, the surface of carbon/carbon composites was coated on SiC by the pack cementation method. The SiC coated layer was created by depending on the constitution of pack powder, and reaction time of pack-cementation. The morpology of crystalline and texture of these SiC coated carbon/carbon composites were investigated by XRD, SEM/EDS observation. So the coating mechanism of pack-cementation process was proposed. The oxidative res istance were observed through the air oxidation test, and then the optimal condition of pack cementation was found by them. Besides, the oxidative mechanism of SiC formed was proposed through the observation of SiC coated surface, which was undergone by oxidation test.

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