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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.2
- 수록면
- 7 - 12 (6page)
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초록· 키워드
Coating brittle intermetallic compounds on metal can enlarge the range of their use. It is found that intermetallic compound coating layers made by only combustion synthesis in an electric furnace have porous multi-phase structures containing several intermediate phases, even though the coating layers show good wear resistance. In this study, dense Ni₃Al single phase layer corresponding to the initial composition of the mixed powder is coated on two different ferrous materials by the diffusing treatment after combustion synthesis. Afterward, sliding wear behaviors of the coating layer are evaluated in comparison with that of the coating layer with porous multi-phase structure made by only combustion synthesis. As a result, the wear properties of the coating layer composed of dense Ni₃Al single phase are considerably improved at the range of low sliding speed compared with that of the coating layer with porous multi-phase structure, particularly in the running-in wear region. This is attributed to the fact that wear of the coating layer is progressed by shearing as a sequence of adhesion, not by occurring of pitting on the worn surface due to having dense structure without pores.
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목차
- Abstract
- 1. 서론
- 2. 실험 방법
- 3. 실험결과 및 고찰
- 4. 결론
- 참고 문헌
참고문헌
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