Bismuth silicon oxide (Bi12SiO20-BSO) and bismuth titanium oxide (Bi12TiO20-BTO) obtained by mechanical alloying

A polycrystalline piezoelectric material (BSO and BTO) was produced from elementary powders by a mechanical alloying technique. In this process, melting was not necessary and the results of milling for various periods of time were studied by XRD and DTA. Powders produced by mechanical alloying were...

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Bibliographic Details
Published in:Journal of materials science letters 1999, Vol.18 (22), p.1871-1874
Main Authors: VASCONCELOS, I. F, DE FIGUEIREDO, R. S, GUEDES DE LIMA, S. J, SOMBRA, A. S. B
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Miscellaneous
Technical ceramics
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Summary:A polycrystalline piezoelectric material (BSO and BTO) was produced from elementary powders by a mechanical alloying technique. In this process, melting was not necessary and the results of milling for various periods of time were studied by XRD and DTA. Powders produced by mechanical alloying were nanocrystalline, exhibited extraordinary mechanical properties, and could easily be shaped into any geometry. 15 refs.
ISSN:0261-8028
DOI:10.1023/A:1006624011824