Effect of the Grinding Process on Different Characteristics of (Zr,Sn)TiO4 Microwave Dielectric Ceramics

Ceramics close to the composition Zr0.6Sn0.4TiO2 were prepared by the mixed oxides method using an industrial attrition mill. Sintered specimens were characterised by SEM and EDX. Their porosities and densities were measured. Samples exhibit densities ranging from 5.1 to 5.3, together with very low...

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Bibliographic Details
Published in:Key engineering materials 1997-04, Vol.132-136, p.1199-1202
Main Authors: Haussonne, J.-M., El Fallah, J., Houivet, D.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Electrotechnical and electronic ceramics
Exact sciences and technology
Technical ceramics
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Summary:Ceramics close to the composition Zr0.6Sn0.4TiO2 were prepared by the mixed oxides method using an industrial attrition mill. Sintered specimens were characterised by SEM and EDX. Their porosities and densities were measured. Samples exhibit densities ranging from 5.1 to 5.3, together with very low porosity (less than 0.1%). Microwave dielectric measurements at 3 GHz show that, for an optimised grinding method, the dielectric constant is close to 37, with a quality factor Q as high as 18000 (Q*f greater than 55000 THz). The results show that the milling time required is less than that when using other grinding methods. 6 refs.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.132-136.1199