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

Author:

Akedo Jun,Lebedev Maxim,Iwata Atsushi,Ogiso Hisato,Nakano Shizuka

Abstract

AbstractAerosol 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.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

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