Nuclei-growth optimization for fine-grained BaTiO3 by precision-controlled mechanical pretreatment of starting powder mixture View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2004-12-01

AUTHORS

C. Ando, R. Yanagawa, H. Chazono, H. Kishi, M. Senna

ABSTRACT

By a solid-state process, well-crystallized BaTiO 3 (BT) particles with their average grain size below 0.2 μm were obtained. Wet and dry mechanical pretreatment processes were combined to obtain fine particulate mixture comprising BaCO 3 and TiO 2 with the highest possible homogeneity without causing appreciable agglomeration. Degree of homogenization was quantitatively evaluated by different microscopic techniques, in an attempt to optimize nuclei-growth processes. Reaction processes were discussed on the basis of thermal analyses in conjunction with the particulate morphology. The granulometrical and crystallographical properties of the present particulate products are comparable with or even superior to commercially available high-valued products fabricated via a hydrothermal or sol-gel route. More... »

PAGES

3592-3599

Identifiers

URI

http://scigraph.springernature.com/pub.10.1557/jmr.2004.0461

DOI

http://dx.doi.org/10.1557/jmr.2004.0461

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1039120800


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