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논문 기본 정보

자료유형
학술저널
저자정보
Han‑Young Lee (Keimyung University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.26 No.12
발행연도
2020.1
수록면
1,749 - 1,756 (8page)

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This study investigates the effect of a change in the sliding speed on the wear behavior of mild steel and, in particular, theinfluence of the original speed on the wear behavior at subsequent speeds, in order to utilize it for the tribosystems design. The sliding wear tests were conducted by using a combination of changing conditions between two of three different slidingspeeds in a pin-on-disc type wear testing machine: two sliding speeds with mild wear behavior and a sliding speed withsevere wear behavior. It was obvious that the wear behavior after the speed change was highly dependent on the formationof oxides on the worn surface at each speed. When the speed changed between two speeds at which a mild wear behavior isexhibited, there was no significant difference in the sliding wear behavior before and after the speed change. When the speedchanged from 0.3 and 3 m/s with a mild wear behavior to 1 m/s with a severe wear behavior, there was no significant increasein the wear rate. In contrast, the wear rate rapidly decreased at a subsequent speed change to 0.3 and 3 m/s. The time requireduntil the steady-state wear condition was attained at the sliding speed of 0.3 m/s was significantly longer than that at 3 m/s.

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