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논문 기본 정보

자료유형
학술저널
저자정보
장승규 (경일대학교) 김덕현 (타이코에이엠피) 김진상 (타이코에이엠피) 최성종 (타이코에이엠피) 조현덕 (경일대학교)
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제22권 제3호
발행연도
2014.4
수록면
33 - 41 (9page)

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이 논문의 연구 히스토리 (2)

초록· 키워드

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Fretting is a kind of surface degradation mechanism observed in mechanical components and structures. When two pieces of materials, pressed together by an external static load, are subjected to a transverse cyclic loading or various vibrations, so that one contacting face is relatively displaced cyclically parallel to the other face, wear of the mating surfaces occurs. These fretting damages may be observed in electrical connectors for automotive components, where there are special environments and various vibration conditions. This study aims to evaluate the usefulness of fretting test equipment that was developed for reliability test of electrical connector. Fretting tests were carried out using tin coated connectors and friction force, contact resistance, contact area and roughness of contact region were investigated. The following results that will be helpful to understand the fretting wear mechanism, increase process the contact resistance and contact area were obtained. (1) In the same frequency and slip amplitude, the friction force, roughness and contact area increased rapidly until about 10<SUP>3</SUP> cycles, after which it was slightly changed. (2) In the various frequency and slip amplitude, the contact area increased with slip amplitude and cyclic numbers, but it did not depend on cyclic frequency. (3) The surface roughness of contact region did not depend on the cyclic frequency. From these results, the applicability of the fretting wear test equipment and reliability of connector were discussed.

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Abstract
1. 서론
2. 시험기, 시험제품 및 시험방법
3. 시험 결과
4. 결론
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