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자료유형
학술대회자료
저자정보
오세두 (성균관대학교) 안종찬 (성균관대학교) 박순철 (현대자동차) 정원욱 (현대자동차) 배동호 (성균관대학교) 이영제 (성균관대학교)
저널정보
한국트라이볼로지학회 한국트라이볼로지학회 학술대회 한국윤활학회 학술대회 제37권
발행연도
2003.11
수록면
118 - 126 (9page)

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In the present study, the residual stresses can have a significant on the life of structural engineering components. Residual stresses are created by the surface treatment such as shot peening or deep rolling. The objective of this experimental investigation is to study the influence of friction and wear characteristics due to residual stress under dry sliding condition. Friction and wear data were obtained with a specially designed tribometer. Test specimens were made of SUP9(leaf spring material) after they were created residual stress by shot peening treatment. Residual stress profiles were measured at surface by means of the X-ray diffraction. Sliding tests were carried out different contact pressure and same sliding velocity 0.035m/s(50rpm). Leaf spring assembly test used to strain gauge sticked on leaf spring specimen in order to measure interleaf friction of leaf spring. Therefore, we were obtained hysteresis curve. As the residual stresses of surfaces increased, coefficient of friction and wear volume are decreased, but the residual stresses of surfaces are high, and consequently wear volume do not decreased. Coefficient of friction obtained from leaf spring assembly test is lower than that obtained from sliding test. From the results, structural engineering components reduce coefficient of friction and resistant wear in order to have residual stresses themselves.
Leaf spring;Shot peening;Residual stress;Interleaf friction force

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