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논문 기본 정보

자료유형
학술저널
저자정보
C.T. Kwok (University of Macau) P.K. Wong (University of Macau) H.C. Man (The Hong Kong Polytechnic University) F.T. Cheng (The Hong Kong Polytechnic University)
저널정보
한국철도학회 International Journal of Railway International Journal of Railway Vol.3 No.1
발행연도
2010.3
수록면
19 - 27 (9page)

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초록· 키워드

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In the present study, the electrical sliding wear and corrosion resistance of pure copper (Cu) and six age-hardened copper alloys (CuCr, CuZr, CuCrZr, CuNiSiCr, CuBe and CuBeNi) were investigated by a pin-on-disc tribometer and electrochemical measurement. Various copper-based alloys in the form of cylindrical pin were forced to slide against a counterface stainless steel disc in air under unlubricated condition at a sliding velocity of 31 km/h under normal load up to 20 N with and without electric current. The worn surface of and wear debris from the specimens were studied by scanning electron microscopy. Both mechanical wear and electrical arc erosion were the wear mechanisms for the alloys worn at 50 A. Owing to its good electrical conductivity, high wear and corrosion resistance, CuCrZr is a promising candidate as the overhead catenary material for electric traction systems.

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Abstract
1. Introduction
2. Experiemental Details
3. Results and Discussion
4. Conclusions
Acknowledgements
Reference

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UCI(KEPA) : I410-ECN-0101-2010-326-002875432