Comparative Study on Microstructure of Pb(Mg1/3Nb2/3)O3-PbTiO3 Ceramics

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Abstract:

(1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 ((1-x)PMN-xPT, PMN-PT) with composition near the morphotropic phase boundary (MPB) were prepared by the columbite precursor method and the rutile precursor method respectively. Attention has been focused on the influence of process on microstructure of PMN-PT ceramics. The results show that the average grain size of ceramics is insensitive to composition for both above processes. The refinement and homogeneity on grain size in the rutile precursor method is better than that in the columbite precursor method.

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Materials Science Forum (Volumes 475-479)

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1201-1204

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January 2005

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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