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The Effect of the Spray-Dried Ceramic Granules' Compressive Strength on the Aerosol Deposition method

분무건조된 세라믹 과립분말의 압축강도가 에어로졸 데포지션 공정에 미치는 효과

  • Kim, Jong-Woo (Functional Ceramics Department, Korea Institute of Materials Science(KIMS)) ;
  • Ryu, Jungho (Functional Ceramics Department, Korea Institute of Materials Science(KIMS)) ;
  • Hahn, Byung-Dong (Functional Ceramics Department, Korea Institute of Materials Science(KIMS)) ;
  • Choi, Jong-Jin (Functional Ceramics Department, Korea Institute of Materials Science(KIMS)) ;
  • Yoon, Woon-Ha (Functional Ceramics Department, Korea Institute of Materials Science(KIMS)) ;
  • Ahn, Cheol-Woo (Functional Ceramics Department, Korea Institute of Materials Science(KIMS)) ;
  • Choi, Joon-Hwan (Functional Ceramics Department, Korea Institute of Materials Science(KIMS)) ;
  • Park, Dong-Soo (Functional Ceramics Department, Korea Institute of Materials Science(KIMS))
  • 김종우 (한국기계연구원 부설 재료연구소 기능세라믹연구실) ;
  • 류정호 (한국기계연구원 부설 재료연구소 기능세라믹연구실) ;
  • 한병동 (한국기계연구원 부설 재료연구소 기능세라믹연구실) ;
  • 최종진 (한국기계연구원 부설 재료연구소 기능세라믹연구실) ;
  • 윤운하 (한국기계연구원 부설 재료연구소 기능세라믹연구실) ;
  • 안철우 (한국기계연구원 부설 재료연구소 기능세라믹연구실) ;
  • 최준환 (한국기계연구원 부설 재료연구소 기능세라믹연구실) ;
  • 박동수 (한국기계연구원 부설 재료연구소 기능세라믹연구실)
  • Published : 2013.09.30

Abstract

Recently, Aerosol Deposition method has attracted considerable attention because of its advantages to produce ceramic coatings on various substrates at room temperature. This method is strongly dependent on the raw powder, which should have high mobility with carrier gas and moderate mechanical strength to be crushed onto the substrate. In this report, the effects of the ceramic granules' compressive strength on the ceramic coating formation are discussed. The ceramic granules were prepared by spray-drying method and heat treated at various temperatures. It was found that at the moderate mechanical strength of ceramic granules gave more effective film formation behavior during Aerosol Deposition method.

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