HIGH-TEMPERATURE COMPONENT

• Main Authors: MAYR-SCHMÖLZER, Bernhard, WESEMANN, Ingmar
• Format: Patent
• Language: English; French; German
• Published: 25.04.2019
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS; ELECTRIC HEATING; ELECTRIC INCANDESCENT LAMPS; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

Die Erfindung betrifft eine Hochtemperaturkomponente (1) aus einem Refraktärmetall oder einer Refraktärmetalllegierung mit einer Beschichtung (2) zur Erhöhung eines Emissionsgrades, wobei die Beschichtung im Wesentlichen besteht aus: Tantalnitrid und / oder Zirconiumnitrid; und Wolfram mit einem Wolfram-Gehalt zwischen 0 bis 98% gew.%. The invention relates to a high-temperature component (1) made of a refractory metal or a refractory metal alloy, said component having a coating (2) for increasing emissivity and the coating substantially consisting of: tantalum nitride and/or zirconium nitride; and tungsten with a tungsten content between 0 and 98 % by weight. L'invention concerne un élément haute température (1) en métal réfractaire ou en alliage de métal réfractaire, présentant un revêtement (2) permettant d'augmenter le degré d'émission, le revêtement se composant principalement de : nitrure de tantale et/ou nitrure de zirconium ; tungstène en une teneur comprise entre 0 et 98 %. %.