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MODERN APPROACH TO STUDY SUSPENSIONS FOR THE CREATION OF POROUS ZIRCONIA NANOCERAMICS

1 SOKOLA Patrik
Co-authors:
1 PTÁČEK Petr 2 KOTALA David 1 BLAHUT Jan 1 BŘEZINA Matěj 3 BAFTI Arijeta 3 MANDIĆ Vilko
Institutions:
1 Brno University of Technology, Faculty of Chemistry, Brno, Czech Republic, EU, xcsokola@vutbr.cz
2 Independent Researcher
3 University of Zagreb, Faculty of Chemical Engineering and Technology, Zagreb, Croatia, EU
Conference:
17th International Conference on Nanomaterials - Research & Application, OREA Congress Hotel, Brno, Czech Republic, EU, October 15 - 17, 2025
Proceedings:
Proceedings 17th International Conference on Nanomaterials - Research & Application
Pages:
349-354
ISBN:
978-80-88365-29-7
ISSN:
2694-930X
DOI:
https://doi.org/10.37904/nanocon.2025.5178
Published:
27th February 2026
Licence:
CC BY 4.0
Metrics:
2 views
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Abstract

The presented work deals with the analysis of suspensions from two types of zirconium oxide nanopowder and two types of reagents (Disperbyk and Dolapix) suitable for the creation of porous ceramics. In the work, a secondary material - micro methyl cellulose (MMC) was used as a combustion additive, and the stability and rheological behaviour of suspensions with increasing MMC content were observed. The stability analysis proved a fast analysis, complementary to conventional rheological measurements. It enabled predicting the behaviour of the suspensions after forming the ceramic body, particularly for the case of slip casting. The microstructure analysis confirmed the influence of MMC on the pore content as well as the applicability of a unique stability analysis for predicting the formation of porous ceramic bodies.

Keywords: Kinetic stability, rheology, viscosity, microstructure

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