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- 통전가압 소결된 Co-Fe, Co-Ni 소결체의 미끄럼 마찰 및 마멸거동
- 권용진, 김태웅, 김용석
- Sliding Wear and Friction Behavior of Electro-Pressure Sintered Co-Fe and Co-Ni Compacts
- Yong Kwon, Tai-Woung Kim, Yong-Suk Kim
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Journal of Korean Powder Metallurgy Institute 2004;11(6):451-461
DOI: https://doi.org/10.4150/KPMI.2004.11.6.451
2이화다이아몬드공업(주) 기술연구소
3국민대학교 신소재공학부
1School of Advanced Materials Engineering, Kookmin University
2Research Center, Ehwa Diamond Ind. Co., Ltd.,
3Shool of Advanced Materials Engineering, Kookmin University
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Abstract
Dry sliding wear behavior of electro-pressure sintered Co-Fe and Co-Ni compacts was investigated. Pin-on-disk wear tests were performed on the sintered Co-Fe, Co-Ni disks against alumina (Al_2O_3) and silica (SiO_2) balls at various loads ranging from 3N to 12N. A constant sliding speed of 0.1m/sec was employed. Wear rate was calculated by dividing the weight loss of a specimen by the measured specific gravity and sliding dis-tance. Worn surfaces and cross-sections of the specimens were examined using an SEM and EDS to investigate wear mechanism of the compacts. The wear behavior of the compacts were discussed as a function of their com-position. Effects of mechancial properties of the compact as well as oxide layers formed on wearing surface on the wear were also discussed.
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