Constrained sintering of BaLa4Ti4O15 thick films: Pore and grain anisotropy

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abstract

Constrained sintering of BaLa4Ti4O15 (BLT) thick films on flexible platinum foil and on rigid BLT substrate showed enhanced grain growth and anisotropic microstructure development when compared with bulk samples having similar green packing and sintered under the same conditions. The evolution of the microstructural parameters (grain and pore shape, orientation) during densification and their correlation was investigated in films and compared with the morphological evolution in bulk samples. It is then expected that the appropriate choice of substrate will allow designing tailored microstructures of functional thick films with optimized performance. (C) 2013 Elsevier Ltd. All rights reserved.

keywords

MICROWAVE DIELECTRIC-PROPERTIES; MICROSTRUCTURE; CERAMICS; ALUMINA; LAMINATE; GROWTH

subject category

Materials Science

authors

Amaral, L; Jamin, C; Senos, AMR; Vilarinho, PM; Guillon, O

our authors

foto Ana Maria de Oliveira e Rocha Senos

Ana Maria de Oliveira e Rocha Senos

Associate Professor
no photo

Luis Miguel de Almeida Amaral

foto Paula Maria Lousada Silveirinha Vilarinho

Paula Maria Lousada Silveirinha Vilarinho

Vice Director

Groups

2 - Multifunctional Ferroic Ceramics and Nanostructures
3 - Carbon Materials, Composites and Functional Coatings

acknowledgements

This work was supported by the Portuguese Foundation for Science and Technology (FCT), under grant no. SFRH/BD/40927/2007 and by the DAAD/GRICES Bilateral Action no. 0811978.

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Publication Details

type
Journal Article
year
2013
journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
volume
33
publisher
ELSEVIER SCI LTD
issn
0955-2219
issue
10
digital object identifier
10.1016/j.jeurceramsoc.2013.01.031
web of science article identifier
WOS:000319232700025

Journal Metrics (JCR 2019)

Journal Impact Factor
4.495
Journal Impact Factor (5 yrs)
4.283
category normalized journal percentile
98.214

Citations

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