Effect of Volume fraction of SiC Particle Reinforcement on the Wear Properties of 6061AI Composites

6061AI 복합재료 마모특성에 미치는 SiC입자 강화재 체적분율의 영향

  • Kim, Heon-Joo (Department of Metallurgical Engineering, Pukyong National University)
  • 김헌주 (부경대학교 공과대학 금속공학과)
  • Received : 2002.02.25
  • Published : 2002.03.30

Abstract

In the present investigation wear behavior of the 6061AI composites reinforced with 5, 10, 20% SiC particles for dry sliding against a SM45C counterface was studied as a function of load and sliding velocity. Sliding wear tests were conducted at two loads(19.6 and 49N) and three sliding velocities(0.2, 1 and 2 m/sec) at constant sliding distance of 4000 m using pin-on-disk machine under room temperature. Presence of SiC reinforcement particles in the composites has displayed a transition from mild to severe wear at relatively higher applied load and sliding velocity compare to that of the matrix metal. As the volume fraction of SiC particles increased, the transition moved to a more severe wear conditions. Eventually, mild wear prevailed at a most severe wear conditions in this study, that was 49N load and 2 m/sec sliding velocity in 20% SiC particle/6061AI composite.

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