Advances in Materials Science and Engineering / 2009 / Article / Tab 2

Research Article

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

Table 2

Microstructural and mechanical properties of porous alumina-based ceramics.

SamplesSEM photograph Hg porosimeterXRDCompressive strength (MPa)
Average diameter ( m)Pore volume (cm3 g-1)Pore diameter ( m)Experimental open porosity (%)Crystallite size (nm)
PMMA-originated poreConnected spaces

P20NONE20.83.50.352.15820.995.8
P60NONE58.27.20.347.05722.149.5
P90NONE89.313.60.3411.65722.828.7

P20MgO(1)20.22.50.281.85230.5125.4
P20MgO(3)18.81.80.271.65134.5138.5
P60MgO(1)56.76.20.276.55132.457.4
P90MgO(1)87.712.30.2610.85033.232.8

P20SiC(1)20.11.90.411.66242.8128.5
P20SiC(3)19.41.60.411.36260.4147.6

P20SiO2(4.5)19.51.80.361.65857.4125.2

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