Advances in Materials Science and Engineering / 2009 / Article / Tab 1

Research Article

Fabrication of Highly Porous Alumina-Based Ceramics with Connected Spaces by Employing PMMA Microspheres as a Template

Table 1

Compositions of slurries used for slip-casting.

SampleAl2O3PMMA microsphereMgOSiCSiO2WaterTheoretical porosity
(g)Mean particle size ( m)g(g)(g)(g)(mL)(%)

P20NONE1522.61007.068.9
P60NONE62.27.268.9
P90NONE96.77.568.9
P20MgO(1)22.60.107.568.7
P20MgO(3)22.60.308.568.5
P60MgO(1)62.20.18.068.7
P90MgO(1)96.78.568.7
P20SiC(1)22.600.17.068.8
P20SiC(3)22.60.37.068.4
P20SiO2(4.5)22.6000.457.567.8

200  l polyvinyl alcohol, 200  l polycarboxylic acid ammonium, and 0.1 g polyethylene glycol were added to each slurry.

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