Preparation of YSZ/Al2O3 composite coatings via electrophoretic deposition of nanopowders / Kalinina E. G.,Efimov A. A.,Safronov A. P. // INORGANIC MATERIALS. - 2016. - V. 52, l. 12. - P. 1301-1306.

ISSN/EISSN:

0020-1685 / 1608-3172

Type:

Article

Abstract:

Using electrophoretic deposition (EPD), we have produced YSZ individual ceramic coatings and YSZ/Al2O3 composite coatings for a wide range of applications in modern materials research. YSZ and Al2O3 nanopowders were prepared by high-energy physical dispersion techniques, namely, by a laser evaporation-condensation process and electroexplosion of wire, respectively. Stable nonaqueous suspensions for the EPD process have been prepared using YSZ and Al2O3 nanopowders with an average particle size of 11 and 22 nm, respectively. The YSZ/Al2O3 composite coating produced by sintering at 1200A degrees C has been shown to have higher density in comparison with the YSZ individual coating produced at the same temperature. X-ray diffraction characterization showed that the YSZ/Al2O3 composite coating consisted of two crystalline phases: alpha-Al2O3 (corundum) (42 wt \%) and cubic ZrO(2)aOE (c) Y2O3 > (58 wt \%). Quantitative analysis of electron micrographs of the surface of the films showed that the YSZ individual coating produced by sintering at 1200A degrees C had a loose structure and contained pores (9\%), as distinct from the composite coating, which had a dense, porefree grain structure.

Author keywords:

electrophoretic deposition; nanopowders; ceramic composite coatings ALUMINA; NANOPARTICLES; EXPLOSION; CATHODES; ZIRCONIA

DOI:

10.1134/S0020168516110054

Web of Science ID:

ISI:000387404200018

Соавторы в МНС:

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Другие поля

Поле	Значение
Month	DEC
Publisher	MAIK NAUKA/INTERPERIODICA/SPRINGER
Address	233 SPRING ST, NEW YORK, NY 10013-1578 USA
Language	English
EISSN	1608-3172
Keywords-Plus	ALUMINA; NANOPARTICLES; EXPLOSION; CATHODES; ZIRCONIA
Research-Areas	Materials Science
Web-of-Science-Categories	Materials Science, Multidisciplinary
Author-Email	kalinina@iep.uran.ru
ResearcherID-Numbers	Efimov, Alexey/E-5771-2014 Kalinina, Elena/F-1587-2017
ORCID-Numbers	Efimov, Alexey/0000-0003-3276-0277 Kalinina, Elena/0000-0002-5637-7451
Funding-Acknowledgement	Russian Foundation for Basic Research {[}16-03-00025-a]; Russian Federation President's Scholarship {[}SP-536.2015.1]; Russian Federation Ministry of Education and Science {[}0389-2014-0002]
Funding-Text	This work was supported by the Russian Foundation for Basic Research (project no. 16-03-00025-a), Russian Federation President's Scholarship (grant no. SP-536.2015.1), and the Russian Federation Ministry of Education and Science (state research target no. 0389-2014-0002).
Number-of-Cited-References	18
Usage-Count-Last-180-days	4
Usage-Count-Since-2013	12
Journal-ISO	Inorg. Mater.
Doc-Delivery-Number	EB5HF