Ceramics based on monoclinic hafnia

A procedure combining the advantages of mechanochemical and sol-gel processes is developed for preparing highly refractory materials based on the monoclinic hafnia modification. The ceramic materials produced at temperatures in the range 1500–1700°C have a density equal to 80–90% of the theoretical...

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Bibliographic Details
Published in:Glass physics and chemistry 2006-03, Vol.32 (2), p.238-242
Main Authors: Glushkova, V B, Panova, T I, Podzorova, L I
Format: Article
Language:English
Subjects:
Ceramics industry
Hafnia
Hafnium oxide
Refractory materials
Sol-gel processes
Theoretical density
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Summary:A procedure combining the advantages of mechanochemical and sol-gel processes is developed for preparing highly refractory materials based on the monoclinic hafnia modification. The ceramic materials produced at temperatures in the range 1500–1700°C have a density equal to 80–90% of the theoretical density, a strength of 80–120 MPa, and a total (open and closed) porosity of less than 10–20%.
ISSN:1087-6596
1608-313X
DOI:10.1134/S1087659606020180