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Preparation of BaZrO3 powders by a spray-drying process

Published online by Cambridge University Press:  31 January 2011

B. Robertz ,
F. Boschini ,
A. Rulmont ,
R. Cloots ,
I. Vandriessche ,
S. Hoste  and
J. Lecomte-Beckers
B. Robertz
Affiliation:
Laboratoire de Chimie Inorganique Structurale (LCIS), Department of Chemistry, Chemistry InstituteB6, University of Liège, Sart Tilman, B-4000 Lieège, Belgium
F. Boschini
Affiliation:
Laboratoire de Chimie Inorganique Structurale (LCIS), Department of Chemistry, Chemistry InstituteB6, University of Liège, Sart Tilman, B-4000 Lieège, Belgium
A. Rulmont
Affiliation:
Laboratoire de Chimie Inorganique Structurale (LCIS), Department of Chemistry, Chemistry InstituteB6, University of Liège, Sart Tilman, B-4000 Lieège, Belgium
R. Cloots*
Affiliation:
Laboratoire de Chimie Inorganique Structurale (LCIS), Department of Chemistry, Chemistry InstituteB6, University of Liège, Sart Tilman, B-4000 Lieège, Belgium
I. Vandriessche
Affiliation:
Department of Inorganic and Physical Chemistry, University Gent, Krijgslaan 281, B-9000 Gent, Belgium
S. Hoste
Affiliation:
Department of Inorganic and Physical Chemistry, University Gent, Krijgslaan 281, B-9000 Gent, Belgium
J. Lecomte-Beckers
Affiliation:
Department of Metallurgy, University of Lieège, Sart Tilman B52, B-4000 Lieège, Belgium
*
a)Address all correspondence to this author. e-mail: rcloots@ulg.ac.be
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Abstract

The potential use of barium zirconate for the manufacture of corrosion-resistant substrates emphasizes the need for a simple, inexpensive, and easily scalable process to produce high-quality powders with well-controlled composition and properties. However, the classical solid-state preparation of barium zirconate leads to an inhomogeneous powder unsuitable for applications in highly corrosive environment. For this paper, the possibility to use the spray-drying technique for the preparation of BaZrO3 powders with a controlled size distribution and morphology was investigated. The influence of the nature and concentration of the precursor solution and the influence of the spray-drying step are discussed on the basis of x-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and dilatometric measurements.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 6 , June 2003 , pp. 1325 - 1332
Copyright
Copyright © Materials Research Society 2003

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