Porous hollow tubes processed by extrusion of ceramic emulsions

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abstract

The processing of ceramic materials by extrusion is widely used to obtain products with constant cross section. Most of them are framed with applications as catalysis, filtration, building, fuel cells, isolators, etc., mainly if they are porous with special designed microstructural characteristics as pore size/distribution, liquid and gas permeability, mechanical properties, etc. Thus, in this work we combine a cellular ceramic preparation strategy based on a synergy of emulsification process and gel casting, with the extrusion process to obtain porous hollow tubes. Tree ceramic emulsions were extruded under different ram speeds and its effect was studied using Benbow-Bridgwater model. (C) 2014 Elsevier B.V. All rights reserved.

keywords

PARAFFIN EMULSIFIED SUSPENSIONS; CELLULAR CERAMICS; PLASTIC BEHAVIOR; ALUMINA CERAMICS; PASTES; CONSOLIDATION; TEMPERATURE; PERFORMANCE; PARAMETERS; SUPPORTS

subject category

Chemistry; Materials Science; Mineralogy

authors

Vitorino, N; Freitas, C; Ribeiro, MJ; Abrantes, JCC; Frade, JR

our authors

foto João Carlos de Castro Abrantes

João Carlos de Castro Abrantes

Professor Adjunto
foto Jorge Ribeiro Frade

Jorge Ribeiro Frade

Retired Professor
foto Nuno Miguel Dias Vitorino

Nuno Miguel Dias Vitorino

Post-doc Fellowship

Groups

G3 - Electrochemical Materials, Interfaces and Coatings

Projects

THERMICS- Cellular PCM-based composites with enhanced thermal conduction and shape stabilization (PTDC/CTM-ENE/2073/2012)

Centre for Research in Ceramics and Composite Materials - CICECO (LA0011: 2013-2014) (PEst-C/CTM/LA0011/2013)

acknowledgements

This work was supported by FCT, Portugal, and European funding (programs COMPETE, QREN and FEDER) under Projects PTDC/CTM-ENE/2073/2012, PEst-C/CTM/LA0011/2013, and also a Post-Doc grant SFRH/BPD/99367/2013.; SEM and XRD facilities were funded by FEDER Funds through QREN - Aviso SAIECT-IEC/2/2010, Operacao NORTE-07-0162-FEDER-000050.

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Publication Details

type
Journal Article
year
2015
journal
APPLIED CLAY SCIENCE
volume
105
publisher
ELSEVIER SCIENCE BV
issn
0169-1317
digital object identifier
10.1016/j.clay.2014.12.014
web of science article identifier
WOS:000350187300008

Journal Metrics (JCR 2019)

Journal Impact Factor
4.605
Journal Impact Factor (5 yrs)
4.549
category normalized journal percentile
78.885

Citations

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