Preparation of spheroidized and nano-structural spinels by the SPPS method

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F17%3A00487167" target="_blank" >RIV/61389021:_____/17:00487167 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Preparation of spheroidized and nano-structural spinels by the SPPS method
Original language description
Solution Precursor Plasma Spraying (SPPS) method, using hybrid water-stabilised plasma torch (WSP®-H), is presented in this study. Precursor, in a form of a solution of inorganic salts, is injected into the plasma jet, where the temperature can reach up to 25 000 K and a series of reactions lead to the formation of spherical sub-micrometric sized particles. The complete process of evaporating the liquid, crystallization, thermic decomposition, melting and recrystallization takes place in few milliseconds before the particles solidify. Melted nanoparticles can be either directly collected in order to obtain ultrafine powders or deposited onto a substrate to form micro-splats and continuous polycrystalline, and often partially amorphous, coatings. The possibility of continuous and discontinuous changes of stoichiometric composition in tetrahedral and octahedral configurations were analysed for the deposits of MgAl2O4, CoAl2O4 and CoFe2O4 spinels. Furthermore, thin colourful coatings of ruby and modified cobalt oxides were deposited onto ceramic and metallic substrates.
Czech name
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Czech description
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Project
<a href="/en/project/GA15-12145S" target="_blank" >GA15-12145S: Physical aspects of plasma spray deposition from liquid feedstock</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of 5th International Conference on Chemical Technology
ISBN
978-80-86238-65-4
ISSN
2336-811X
e-ISSN
2336-8128
Number of pages
6
Pages from-to
261-266
Publisher name
Czech Society of Industrial Chemistry
Place of publication
Prague
Event location
Mikulov
Event date
Apr 10, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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