| DLC 코팅과 비교된 고온 염소처리에 의한 탄소 막의 Tribological 특성 |
| 최현주, 배흥택, 나병철1, 이전국2, 임대순 |
고려대학교 신소재공학과
1자동차부품연구원 에너지부품연구센터
2한국과학기술연구원 박막재료연구센터 |
| Tribological Properties of Carbon Layers Produced by High Temperature Chlorination in Comparison with DLC Coating |
| Hyun-Ju Choi, Heung-Taek Bae, Byung-Chul Na1, Jeon-Kook Lee2, Dae-Soon Lim |
Division of Materials Science and Engineering, Korea University
1Energy Technology Research Center, KATECH
2Thin Film Materials Research Center, KIST |
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| ABSTRACT |
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Tribological properties of carbon layers produced by high temperature chlorination of SiC ceramic and DLC (diamond-like carbon) coatings produced by ion plating method were investigated and compared. Carbon coatings were produced by exposure of ball and disc type SiC in chlorine and hydrogen gas mixtures at $1200^{circ}C$. After treatment for 10 h, dense carbon films up to $180{mu}m$ in thickness were formed. Tribological behavior of newly developed carbon films were compared with that of DLC films. Wear resistance and frictional coefficient of the surface modified ball and disc type SiC were significantly improved compared to an untreated SiC specimen, and also the modified carbon layer had better performance than DLC coatings. Therefore, in this study, the newly developed carbon films have several advantages over existing carbon coatings such as DLC coatings and showed superior tribological performances. |
| Key words:
Silicon carbide, DLC, Chlorination, Wear volume, Friction coefficient |
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