National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Silver nanoparticles preparation in the thermal plasma
Brožek, Vlastimil ; Kutílek, Zdeněk ; Doležal, B. ; Mastný, L.
The preparation of silver nanoparticles with particle size 20-100 nm emerging by thermal decomposition of silver nitrate in low-temperature plasma (produced by plasma torch WSP is described. Undesirable secondary products formation so as economic balances of the process are discussed
Ceramic coatings prepared by liquid precursor plasma spraying
Brožek, Vlastimil ; Kutílek, Zdeněk ; Bertolissi, Gabriele ; Mastný, L.
LPPS method (Liquid precursor plasma spraying) was performed using aqueous solutions of ammonium vanadate and chromate in order to přepade nano-crystalline ceramic coatings on steel and ceramic substrates. Their structure was studied and verified by injecting at different conditions the liquid precursors into the stream of water stabilized plasma. The surface coverage of nano-coatings is inversely proportional to the concentration of precursor and largely depends on the geometric arrangement of the depositing device in which there is a complex process multistage precursor processing within milliseconds.

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