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http://dx.doi.org/10.9725/kstle.2010.26.2.105

Analysis of Sliding Wear Properties for Aluminum Alloy According to the Hardness Values of the Mating Tool Steel  

Lee, Han-Young (Dept. of Advanced Materials Engineering, Keimyung University)
Cho, Yong-Jae (Dept. of Materials Engineering, Graduated School, Keimyung University(at present, GHI))
Kim, Tae-Jun (Dept. of Materials Engineering, Graduated School, Keimyung University(at present, KITECH))
Park, Won-Kyu (Dept. of Materials Engineering, Graduated School, Keimyung University)
Publication Information
Tribology and Lubricants / v.26, no.2, 2010 , pp. 105-110 More about this Journal
Abstract
In order to investigate the wear behavior of aluminum alloy depended on different hardness of the mating tool steel, sliding wear tests were conducted. It was found that the wear characteristics pattern of aluminum alloy for sliding speed was not affected by the hardness of the mating tool steel. However, the effects of the hardness of the mating tool steel exhibited only in relatively low sliding speed ranges. At these ranges, the wear rate of aluminum alloy decreased when increasing the hardness of the mating tool steel. This was attributed by the fact that $Al_2O_3$ particles released from the aluminum worn surface were crushed and embedded on the mating worn surface with high hardness level. At the high sliding speed ranges, wear of aluminum alloy was hardly occurred by the formation of thick $Al_2O_3$ film on the worn surface, regardless of the hardness of the mating tool steel.
Keywords
aluminum; wear property; mating tool steel; hardness;
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