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Aerosol Deposition Method (ADM) for Nano-Crystal Ceramics Coating Without Firing

Published online by Cambridge University Press:  15 February 2011

Jun Akedo ,
Maxim Lebedev ,
Atsushi Iwata ,
Hisato Ogiso  and
Shizuka Nakano
Jun Akedo
Affiliation:
National Institute of Advanced Industrial Science and Technology, Namiki 1-2-1 Tsukuba Ibaraki, 305-8564Japan
Maxim Lebedev
Affiliation:
National Institute of Advanced Industrial Science and Technology, Namiki 1-2-1 Tsukuba Ibaraki, 305-8564Japan
Atsushi Iwata
Affiliation:
National Institute of Advanced Industrial Science and Technology, Namiki 1-2-1 Tsukuba Ibaraki, 305-8564Japan
Hisato Ogiso
Affiliation:
National Institute of Advanced Industrial Science and Technology, Namiki 1-2-1 Tsukuba Ibaraki, 305-8564Japan
Shizuka Nakano
Affiliation:
National Institute of Advanced Industrial Science and Technology, Namiki 1-2-1 Tsukuba Ibaraki, 305-8564Japan
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Abstract

Aerosol deposition method (ADM) for shock-consolidation of fine ceramics powder to form dense and hard layers is reported. Submicron ceramic particles were accelerated by gas flow in the nozzle up to velocity of several hundred m/s. During interaction with substrate, these particles formed thick (10 ∼ 100 μm), dense, uniform and hard ceramics layers. Experiments were fulfilled at room temperature. The results of fabrications, microstructure and mechanical properties of oxides (Al2O3; (Ni,Zn)Fe2O3; Pb(Zr0.52,Ti0.48)O3 and non-oxide (AlN; MgB2) materials are presented. Every layer has polycrystalline structure with nano-meter order scale.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 779: Symposium W – Multiscale Phenomena in Materials - Experiments and Modeling Related to Mechanical Behavior , 2003 , W7.10/U8.10
Copyright
Copyright © Materials Research Society 2003

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