Proceedings of the Korean Powder Metallurgy Institute Conference (한국분말야금학회:학술대회논문집)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Al계 준결정 분말의 제조 및 응용

  • Kim, W. T. (Chongju University) ;
  • Kim, D.H. (Center for Noncrystalline Materials, Yonsei Univ.,) ;
  • Lee, S.M. (Center for Noncrystalline Materials, Yonsei Univ.,) ;
  • E.Fleury (Center for Noncrystalline Materials, Yonsei Univ.,) ;
  • H.S. Ahn (KIST)
  • Published : 2002.07.01
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Abstract

1. Quasicrystalline powders shows exotic physical and mechanical p properties 2. Applications: structural application: strengthening particles for composites C Coating application: wear resistance, low friction coefficient 3. For thermal spaying: material loss during process should be c considered to control chemical composition of deposit 4. Friction coefficient is strongly dependent on contact geometry F Friction coefficient from pin on plate: 0.1-0.2 Friction coe야icient from flat on plate: about 0.46. 5. Quasicrystalline materials show lower friction coefficient but higher w wear rate than corresponding values of $Cr_20_3$ coated layer. 6. Amorphous coating seems to be promising

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