In this section
@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}
}
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 -