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Microstructure of Mullite-zirconia Fibres Grown by Directional Solidification

Published online by Cambridge University Press:  28 September 2012

R. G. Carvalho ,
M. S. Pires ,
A. J. S. Fernandes ,
F. J. Oliveira ,
T. Monteiro ,
R. F. Silva  and
F. M. Costa
R. G. Carvalho
Affiliation:
I3N, Department of Physics, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
M. S. Pires
Affiliation:
I3N, Department of Physics, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
A. J. S. Fernandes
Affiliation:
I3N, Department of Physics, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
F. J. Oliveira
Affiliation:
CICECO, Department of Ceramic and Glass Engineering, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
T. Monteiro
Affiliation:
I3N, Department of Physics, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
R. F. Silva
Affiliation:
CICECO, Department of Ceramic and Glass Engineering, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
F. M. Costa
Affiliation:
CICECO, Department of Ceramic and Glass Engineering, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal

Abstract

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Recently, much attention has been given to directional solidified eutectic (DSE) materials for functional and structural applications. DSE materials take advantage from their microstructural features. Typically, DSE are dense homogeneous materials composed by fine microstructures without grain boundaries (GBs). Since impurities and defects typically concentrate at GBs, their deleterious effects on the mechanical, thermal and electrical properties can thus be minimized.

Type
Materials Sciences
Information
Microscopy and Microanalysis , Volume 18 , Supplement S5: Portuguese Supplement , August 2012 , pp. 103 - 104
Copyright
Copyright © Microscopy Society of America 2012