SHS of Y2Ti2O7-based mineral-like ceramics: Influence of green density

SHS of Y2Ti2O7-based mineral-like ceramics: Influence of green density

Explored was the influence of compacting pressure ( P ) and green density (ρ) on the properties of Zr-doped mineral-like pyrochlore ceramics Y 2 (Ti 1 – x Zr x ) 2 O 7 ( x ≤ 0.3) prepared by SHS method. The optimal ρ values that provide minimal porosity and maximal mechanical strength of synthesized...

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Veröffentlicht in:International journal of self-propagating high-temperature synthesis 2017-04, Vol.26 (2), p.119-123
Hauptverfasser: Barinova, T. V., Borovinskaya, I. P., Barinov, V. Yu, Kovalev, I. D., Podbolotov, K. B.
Format: Artikel
Sprache:eng
Schlagworte:
Ceramics
Chemistry and Materials Science
Combustion
Combustion temperature
Compacting
Density
Materials Science
Phase composition
Porosity
Self-propagating synthesis
Zirconium
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Zusammenfassung:Explored was the influence of compacting pressure ( P ) and green density (ρ) on the properties of Zr-doped mineral-like pyrochlore ceramics Y 2 (Ti 1 – x Zr x ) 2 O 7 ( x ≤ 0.3) prepared by SHS method. The optimal ρ values that provide minimal porosity and maximal mechanical strength of synthesized ceramics were found. An increase in ρ was found to decrease combustion temperature and increase pyrochlore lattice parameter a . Green density was also found to affect phase composition of the SHS-produced ceramics under study.
ISSN:1061-3862
1934-788X
DOI:10.3103/S1061386217020030