Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Analysis of Sliding Wear Properties for Aluminum Alloy According to the Hardness Values of the Mating Tool Steel

알루미늄 합금의 미끄럼마모 특성에 미치는 상대재 경도의 영향

  • 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)
  • 이한영 (계명대학교 신소재공학과) ;
  • 조용재 (계명대학교 대학원 재료공학과(현 한국생산기술연구원)) ;
  • 김태준 (계명대학교 대학원 재료공학과(현 경북하이브리드부품연구원)) ;
  • 박원규 (계명대학교 대학원 재료공학과)
  • Received : 2010.01.27
  • Accepted : 2010.03.26
  • Published : 2010.04.30
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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

References

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