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Preparation and Characterization of Fine barium carbonate Particles

Published online by Cambridge University Press:  11 February 2011

Su. Lihong ,
Qiao. Shenru ,
Xiao. Jun ,
Huang. ying ,
Zhang. Aibo  and
Zhang. qiuyu
Su. Lihong
Affiliation:
Department of chemical-engineering, Northwestern polytechnical university, post code710072, Xi'an, Shannxi prov., China
Qiao. Shenru
Affiliation:
Department of chemical-engineering, Northwestern polytechnical university, post code710072, Xi'an, Shannxi prov., China
Xiao. Jun
Affiliation:
Department of chemical-engineering, Northwestern polytechnical university, post code710072, Xi'an, Shannxi prov., China
Huang. ying
Affiliation:
Department of chemical-engineering, Northwestern polytechnical university, post code710072, Xi'an, Shannxi prov., China
Zhang. Aibo
Affiliation:
Department of chemical-engineering, Northwestern polytechnical university, post code710072, Xi'an, Shannxi prov., China
Zhang. qiuyu
Affiliation:
Department of chemical-engineering, Northwestern polytechnical university, post code710072, Xi'an, Shannxi prov., China
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Abstract

As a starting material to produce BaTiO3 ceramic, BaCO3 fine powders (<1 μm in diameter) are required. In this paper, how to transform 2–3μm length viraulate BaCO3 microlite into 0.2–0.8μm globose particle is discussed. The factors that affect aggregation and dispersion in fine powder are experienced. Special equipment is introduced to this process. The particle diameter is determined by the SEM micrograph. The whole process is a simple method.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 737 , 2002 , F3.4
Copyright
Copyright © Materials Research Society 2003

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References

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