Affiliation:
1. School of Materials and Metallurgy University of Science and Technology Liaoning Anshan China
Abstract
AbstractIn this paper, magnesia porous ceramics were prepared by particle‐stabilized foams assisted foam‐gel casting. Secondly, the performance of magnesia slurry and magnesia porous ceramics was investigated. The obtained magnesia powder manifested high adsorption amount and excellent hydrophobicity, due to the strong adsorption ability of sodium dodecyl benzene sulfonate (SDBS) on magnesia particles. When the SDBS concentration is .3 wt%, the surface tension and expansion ratio of the slurry were 45 mN·m−1 and 1.68, respectively. The shape of the pore was sphere cell structure, with uniform distribution of pores in the sample, the average pore size was in the range of 58.7–73.9 μm, and the compressive strength was in the range of 25.3 MPa to 15.5 MPa when porosity varied from 56.7% to 70.2%.
Subject
Materials Chemistry,Marketing,Condensed Matter Physics,Ceramics and Composites
Cited by
3 articles.
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