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Structure and properties of plasma sprayed BaTiO3 coatings
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SYSNO ASEP 0347345 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Structure and properties of plasma sprayed BaTiO3 coatings Tvůrce(i) Ctibor, Pavel (UFP-V) RID, ORCID
Ageorges, H. (FR)
Sedláček, J. (CZ)
Čtvrtlík, Radim (FZU-D) RID, ORCIDZdroj.dok. Ceramics International. - : Elsevier - ISSN 0272-8842
Roč. 36, č. 7 (2010), s. 2155-2162Poč.str. 8 s. Forma vydání web - web Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova Cermet ; plasma spraying ; microstructure ; elastic modulus ; wear resistance Vědní obor RIV JH - Keramika, žáruvzdorné materiály a skla CEP KAN301370701 GA AV ČR - Akademie věd CEZ AV0Z20430508 - UFP-V (2005-2011) AV0Z10100522 - FZU-D (2005-2011) UT WOS 000281494300018 DOI 10.1016/j.ceramint.2010.05.016 Anotace Plasma spraying enables to create layers with thickness in a millimeter range adhering on various substrates. This paper provides a study of electric and mechanical properties of BaTiO3 coatings prepared by atmospheric plasma spraying. The spraying was carried out by a direct current gas-stabilized plasma gun. BaTiO3 was fed into the plasma jet as a feedstock powder prepared by a reactive sintering of micrometer-sized powders of BaCO3 and TiO2. Microstructure and phase composition are reported and discussed in connection with electric and mechanical properties. The ability of the used techniques to detect precisely the phase transformation temperatures of BaTiO3 plasma sprayed coatings is discussed as well. A depth-sensing indentation measurement was done between 290 and 520 K to provide local mechanical characterization. The elastic modulus has shown slightly higher values than that reported typically in papers focused on BaTiO3 ferroelectric thin films. Pracoviště Ústav fyziky plazmatu Kontakt Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Rok sběru 2011
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