Journal of the Korean Society for Heat Treatment (열처리공학회지)

The Korean Society for Heat Treatment (한국열처리공학회)
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Effect of Primary Si size and Residual Stress on the Wear Properties of B.390 Al Alloys

B.390 알루미늄 합금의 마모특성에 미치는 초정Si 입자크기와 잔류응력의 영향

  • 김헌주 (부경대학교 신소재공학부 금속시스템공학과) ;
  • 김성재 (부경대학교 대학원 금속공학과)
  • Received : 2005.12.29
  • Accepted : 2006.01.20
  • Published : 2006.01.30
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Abstract

Wear behaviour of B.390 aluminum alloy with different particle sizes of primary Si against a SM45C counterface was studied as a function of wear load and sliding velocity, using pin-on-disk apparatus under dry condition. The wear rate of specimen with fine primary Si particles showed increased wear resistance at high wear load, on the other side wear resistance of coarse primary Si particle size was improved at low wear load. As the compressive residual stress in the matrix increased remarkably by liquid nitrogen(LN) treatment, wear resistance of the LN treated specimen was more excellent than that of T6 treated specimen.

Keywords

References

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