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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.5
- 수록면
- 90 - 93 (4page)
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이 논문의 연구 히스토리 (7)
2016
2015
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초록· 키워드
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This study was conducted to elucidate the correlation between wear resistance and cementite morphology (degree of spheroidization) in carbon steel. For that purpose, we analyzed effect of the existence of pro-eutectoid ferrite and cementite morphology on the sliding wear of medium and high carbon steel. AISI 52100 bearing steel and S45C medium carbon steel were heat treated to obtain full pearlite and ferrite + pearlite microstructure. After the heat treatment, a spheroidizing heat treatment was performed on both steel to spheroidize the pearlite. Sliding wear tests were carried out using a pin-on-disk wear tester with the steel specimens as a disk. An alumina (Al₂O₃) ball was used as a pin counterpart. The sliding wear tests were carried out at room temperature in the air with humidity of 40±2 %. Adapted sliding distance and applied load was 300 m and 100 N, respectively. Sliding speed was 0.1 m/s and the wear-track radius was 9 mm. Worn surfaces and cross-sections of the wear track were examined using an SEM. Micro Vickers hardness of the wear-track subsurface was measured as a function of depth from the worn surface. It was found that sliding-wear resistance of both AISI 52100 bearing steel and S45C steel decreased as the cementite morphology become more spheroidized.
목차
Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2017-551-000832152