Preparation and properties of magnesia porous ceramics by particle‐stabilized foam casting
Source abstract
Abstract
Abstract In 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%.
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Research context
OpenAlex topics: Layered Double Hydroxides Synthesis and Applications · Advanced ceramic materials synthesis · Magnesium Oxide Properties and Applications
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Affiliations
School of Materials and Metallurgy University of Science and Technology Liaoning Anshan China
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