Vaporization of components from alloy powder particles in a plasma flow

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F06%3A00016911" target="_blank" >RIV/60461373:22310/06:00016911 - 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

Vaporization of components from alloy powder particles in a plasma flow

Original language description

If molten alloy powder particles are plasma sprayed, their composition usually changes. This is due to the phenomena occurring mainly at the in-flight stage of spraying, in particular to selective oxidation and selective transport of elements to the gasphase (vaporization). The present paper deals with selective vaporization of Al and Cr from four binary alloy powders: Fe-Al, Fe-Cr, and Ni-Cr with two Cr concentration levels. The decrease of Al concentration in a Fe-Al alloy amounted to more than 5 %,whereas the Cr concentration fall was not higher than 0.3 % in Fe-Cr and Ni-Cr alloys. The effect of selective oxidation was also quite different: Cr was consumed by selective oxidation at a considerably higher rate than Al. To interpret the experimentalresults, saturated vapour pressures of the important species were calculated as functions of temperature up to 3200K. For molten alloys, vaporization of elements was taken in consideration, whereas a wider variety of species evaporating

Czech name

Odpařování částic práškových slitin v plasmovém hořáku

Czech description

Odpařování částic práškových slitin v plasmovém hořáku

Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BJ - Thermodynamics

OECD FORD branch

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Project

<a href="/en/project/GA106%2F03%2F0710" target="_blank" >GA106/03/0710: Composition changes of ceramic and metallic materials during their plasma spraying</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2006

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Czechoslovak Journal of Physics

ISSN

0011-4626

e-ISSN

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Volume of the periodical

56

Issue of the periodical within the volume

B

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

10

Pages from-to

1391-1400

UT code for WoS article

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EID of the result in the Scopus database

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