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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
한국트라이볼로지학회 한국트라이볼로지학회 학술대회 한국윤활학회 학술대회 제35권
발행연도
2002.5
수록면
226 - 234 (9page)

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초록· 키워드

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A systematic study of the role of transfer films on friction properties was performed with various temperatures in the brake system. An NAO friction material specimens containing 9 ingredients were tested using a pad-on-disk type friction tester. A new method of measuring the transfer film thickness was developed by considering the electrical resistance of the transfer film using a 4-point probe technique. The properties of transfer film such as surface morphology and film distribution vaied according to the relative amount of graphite and magnesium oxide. By using SEM, it was possible to obtain information about the chemical composition of the transfer film. Results showed that there detected a threshold value of the relative amount of a two active materials to maintain a certiain thickness of a transfer film. Results also showed that formation of friction layer generated on the friction surface was strongly affected by chemical action of two ingredients during sliding due to chemical reaction of solid lubricants at different interface temperature. The results suggested that no apparent relationship between transfer film thickness and the average friction coefficient was founded and friction characteristics were affected more by the property of the solid lubricant and abrasive in the material.

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Abstract
1. 서론
2. 실험방법
3. 실험결과 및 고찰
4. 결론
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