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http://dx.doi.org/10.9725/kstle.2003.19.3.151

Sliding We3f Properties for 5%Co-5%V-1%Nb High Speed Steel by Powder Metallurgy at High Temperature  

이한영 (계명대학교 재료공학과)
김용진 (한국기계연구원 재료연구부)
배종수 (한국기계연구원 재료연구부)
Publication Information
Tribology and Lubricants / v.19, no.3, 2003 , pp. 151-158 More about this Journal
Abstract
In metal cutting at the tool-chip interface, friction generates considerable amount of heat. Thus, the knowledge of wear properties of cutting tool material in high temperature has been as one of important factors in need of clarification. The authors presented the wear properties of 5%Co-5%V-1%Nb high speed steel, fabricated by powder metallurgy, in room temperature in previous articles. The objective of this paper is to clarify the effects of temperature on its wear properties. Wear tests in sliding conditions under various temperatures have been conducted using the pin-on-disc type wear test machine. The results indicate that the wear properties of 5%Co-5%V-1%Nb high speed steel in high temperature as well as in room temperature are excellent. It may be deduced that the oxide layer formed on worn surface at high temperature is stable enough to prevent wear due to the high temperature strength of its matrix.
Keywords
sliding wear property; 5%Co-5%V-1%Nb high speed steel; high temperature; powder metallurgy; oxide layer;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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[ 官川大海 ] / 鐵鋼材料學
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