Improvement of the Technology of High-Porosity, Permeable, Cellular, Ceramic Materials

The rheological properties of corundum suspensions were studied. It is shown that to prepare corundum slurry in obtaining ceramic, high-porosity, permeable, cellular materials (HPCM) by the method of duplicating the structure of polymer matrices the minimum possible ratio S : L of the disperse phase...

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Veröffentlicht in:	Glass and ceramics 2019-07, Vol.76 (3-4), p.131-136
Hauptverfasser:	Bespalov, A. V., Grunskii, V. N., Makarov, N. A., Vartanyan, M. A., Ignatenkov, V. I., Fedoseev, A. P., Sal’nikova, O. Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Biological products Cellular structure Ceramic materials Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Coagulation Composites Corundum Dispersion Glass Materials Science Natural Materials Permeability Polymers Polyvinyl alcohol Porosity Rheological properties Science for Ceramic Production Slurries Technology application
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Beschreibung
Zusammenfassung:	The rheological properties of corundum suspensions were studied. It is shown that to prepare corundum slurry in obtaining ceramic, high-porosity, permeable, cellular materials (HPCM) by the method of duplicating the structure of polymer matrices the minimum possible ratio S : L of the disperse phase and the dispersion medium is 2.3 : 1 and the weight content of polyvinyl alcohol in the corundum slurry is 1 – 3%. It was proved experimentally that corundum suspensions with such a ratio of the disperse phase and the dispersion medium are coagulation structures with characteristic thixotropic behavior.
ISSN:	0361-7610 1573-8515
DOI:	10.1007/s10717-019-00149-8