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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2016 Volume 42, Issue 16, Pages 14–20 (Mi pjtf6323)

Structure and nanohardness of granulated ceramics synthesized from suspensions with various Y-ZrO$_2$ concentrations

A. A. Dmitrievskii, D. G. Guseva, N. Yu. Efremova, P. N. Ovchinnikov, A. A. Topchii

Tambov State University named after G.R. Derzhavin

Abstract: The structure and micromechanical properties of granulated zirconia ceramics synthesized from suspensions with various Y-ZrO$_2$ concentrations have been studied. It is established that an increase in the Y-ZrO$_2$ content up to 25% eliminates the cracking of granules during heat treatment and improves their micromechanical characteristics. It is shown that elevated nanohardness of the synthesized granules is related to an increase in the content of tetragonal $t$-ZrO$_2$ phase.

Received: 05.02.2016


 English version:
Technical Physics Letters, 2016, 42:8, 833–836

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