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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.118  No.1374 (February) (2010)  >  pp.118-121

Journal of the Ceramic Society of Japan
<<Previous article Vol.118  No.1374 (February) (2010)   pp.118 - 121 Next article>>

Fabrication of ZnO ceramics using ZnO/Al2O3 nanocomposite particles prepared by mechanical treatment

Satoko TASAKI1), Junichi TATAMI1), Hiromi NAKANO2), Toru WAKIHARA1), Katsutoshi KOMEYA1) and Takeshi MEGURO1)
1) Graduate School of Environment and Information Sciences, Yokohama National University
2) Cooperative Research Facility Center, Toyohashi University of Technology


  Nanocomposite particles of Al2O3-doped ZnO prepared by mechanical treatment were used for fabricating ZnO ceramics. TEM observations revealed that Al2O3 nanoparticles uniformly existed on a ZnO particle. The sintering body fabricated using the composite powder prepared by this mechanical treatment process had more uniform and finer microstructures than that fabricated using the powder mixture prepared by conventional wet mixing. The ZnO ceramics prepared by the mechanical treatment exhibited higher electrical conductivity than those prepared by the conventional wet ball milling process.


Keyword:
ZnO, Al-doped, Composite particle, Dispersion

Received: September 17, 2009
Accepted: November 19, 2009 , Published online: February 01, 2010
Copyright (c) 2010 The Ceramic Society of Japan

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