Tungsten coating and free standing parts

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F13%3A43895343" target="_blank" >RIV/60461373:22310/13:43895343 - 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
Tungsten coating and free standing parts
Original language description
Tungsten powders, 20 - 100 ?m in size, were melted in the jet of thermal plasma generated by a water-stabilized spray system WSP?. The molten tungsten was deposited on steel and graphite or boron nitride substrates, whereas the spray-ability itself was tested as wel ascohesion with other substrates. One of the goals of the experimentation was to gain skils for covering variously shaped walls of the nuclears fusion devices (Tokamaks). Also spraying of free-standing tungsten bodies was realized, by meansof substrates easily machainable-out after depositon, as graphite and BN.. Other options consists of covering a tungsten mesh or plates armored with tungsten wires. Protection of tungsten against oxidation in the plasma jet was a problem to be solved - the best results were gained with shroud gas, Ar with 7 % hydrogen, and simultaneous placement of the substrates into graphite cells. The whole spray process was maintained to avoid temperatures over 700°C at which the oxidation is inheren
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Sborník 22. ročníku mezinárodní konference metalurgie a materiálu METAL 2013
ISBN
978-80-87294-41-3
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1-6
Publisher name
TANGER
Place of publication
Ostrava
Event location
Brno
Event date
May 15, 2013
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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