Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Effect of Pulse Plating on Hardness of Brass-Alumina Nanocomposite

펄스전류인가가 황동-알루미나 나노복합도금층의 경도에 미치는 영향

  • 오영주 (한국과학기술연구원 금속공정연구센터) ;
  • 안재우 (대진대학교 공과대학 신소재공학과) ;
  • 안종관 (한국지질자원연구원 자원활용연구부) ;
  • 이만승 (목포대학교 공과대학 신소재공학과)
  • Published : 2002.06.01
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Abstract

Nanocomposites consisting of a nanocrystalline brass matrix (grain size ; 20-100nm) with sub-micron sized Al2O3 particles (60-200nm) were prepared by pulsed current electrodeposition. The microhardness of the nanocomposite with a grain size of 90-100nm was approximately 1.7 times higher than that of a comparable electrodeposit with no particles. However, significant variations in microhardness were not observed between the nanocomposites with grain sizes of 20 nm and the comparable electrodeposit.

Keywords

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