Imperial College London
Portrait Picture

Professor Saiz

Faculty of Engineering, Department of Materials

Chair in Structural Ceramics
 
 
 
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Contact

 

+44 (0)20 7594 6779e.saiz

 
 
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Location

 

LM04.BRoyal School of MinesSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Garcia:2016:10.1016/j.jeurceramsoc.2016.06.050,
author = {Garcia, Tunon Blanca E and Machado, G and Schneider, M and Barg, S and Bell, R and Saiz, E},
doi = {10.1016/j.jeurceramsoc.2016.06.050},
journal = {Journal of the European Ceramic Society},
pages = {199--211},
title = {Complex ceramic architectures by directed assembly of ‘responsive’ particles},
url = {http://dx.doi.org/10.1016/j.jeurceramsoc.2016.06.050},
volume = {37},
year = {2016}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Surface functionalization of alumina powders with a responsive surfactant(BCS) leads to particles that react to a chemical switch. These ‘responsive’ building blocksare capable of assembling into macroscopic and complex ceramic structures. The aggregationfollows a bottom up approach and can be easily controlled. The directed assembly ofconcentrated suspensions leads to highly dense (~99%) ceramic components with average4-point bending strength of ~200 MPa. On the other hand, the emulsification of suspensionswith concentrations from 7 to 43 vol% and 50 vol% decane results in emulsions withdifferent properties (stability, droplet size and distribution). The oil droplets provide a softtemplate confining the alumina particles in the continuous phase and at the oil/water interfaces.Aggregation of these emulsions followed by drying and sintering leads tomacroporous (pore sizes ranging from 30 to 4 µm) alumina structures with complex shapesand a wide range of microstructures, from closed cell structures to highly interconnected foams with total porosities up to 83%. Alumina scaffolds with ~55 % porosity can reachcrushing strength values above 300 MPa in compression and ~50 MPa in 4-point bending.
AU  - Garcia,Tunon Blanca E
AU  - Machado,G
AU  - Schneider,M
AU  - Barg,S
AU  - Bell,R
AU  - Saiz,E
DO  - 10.1016/j.jeurceramsoc.2016.06.050
EP  - 211
PY  - 2016///
SN  - 1873-619X
SP  - 199
TI  - Complex ceramic architectures by directed assembly of ‘responsive’ particles
T2  - Journal of the European Ceramic Society
UR  - http://dx.doi.org/10.1016/j.jeurceramsoc.2016.06.050
UR  - http://hdl.handle.net/10044/1/34354
VL  - 37
ER  -
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