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Influence of carbide powder composition on decarburization and properties of air plasma sprayed coatings.

Einfluß der Karbidpulverzusammensetzung auf die Entkohlung und die Eigenschaften von Plasmaspritzschichten
 
: Berger, L.-M.; Oswald, A.; Preiss, H.; Schultrich, B.

International Thermal Spray Conference and Exposition. Proceedings
1992
pp.253-258
International Thermal Spray Conference and Exposition <1992, Orlando/Fla.>
English
Conference Paper
Fraunhofer IWS ()
air plasma spraying; atmosphärisches Plasmaspritzen; carbide; decarburization; Entkohlung; hardmetal; Hartmetall; Karbid; plasma spraying; Plasmaspritzen; titanium carbide; Titankarbid

Abstract
This paper concerns the alterations in chemical composition and phase structure of carbide powders in air plasma spraying. Carbides of tungsten and titanium and mixed carbides of them, with different contents of free carbon and grain size fractions, were sprayed as unblended powders and also blended with an iron/chromium powder. The resulting coatings were investigated by chemical analysis and X-ray diffraction. The results show the advantages of the cubic titanium carbide in comparison with the hexagonal tungsten carbides.

: http://publica.fraunhofer.de/documents/PX-18380.html