Turbine component, gas turbine engine, production method of...

C - Chemistry – Metallurgy – 23 – C

Patent

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C23C 4/12 (2006.01) B23H 9/10 (2006.01) F01D 5/28 (2006.01)

Patent

CA 2676135

What disclosed is formation of a protective coating having oxidation resistance and abrasiveness at a portion to be processed of a component main body by employing an electrode composed of a molded body molded form a mixed powder in which a powder of an oxidation-resistant metal and a powder of a ceramic is mixed or the molded body processed with a heat treatment, generating a pulsing electric discharge between the electrode and the portion to be processed of the component main body so that an electrode material of the electrode and such carry out deposition, diffusion and/or welding on the portion to be processed of the component main body by energy of the electric discharge.

Formation d'un revêtement protecteur résistant à l'oxydation et abrasif sur la partie destinée à être traitée d'un corps principal de composant par l'utilisation d'une électrode faite d'un corps moulé à partir d'un mélange de poudres comprenant une poudre de métal résistant à l'oxydation et une poudre de céramique, le corps moulé étant soumis à un traitement thermique. Par une impulsion électrique entre l'électrode et la partie à traiter du corps principal de composant, un des matériaux de l'électrode produit un dépôt, une diffusion ou une soudure sur la partie à traiter du corps principal de composant en raison de l'énergie apportée de la décharge électrique.

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