C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 28/00 (2006.01) C23C 28/04 (2006.01)
Patent
CA 2745635
Methods of making components having calcium magnesium aluminosilicate (CMAS) mitigation capability including providing a component; applying an environmental barrier coating to the component, the environmental barrier coating having a separate CMAS mitigation layer including a CMAS mitigation composition selected from the group consisting of zinc aluminate spinel, alkaline earth zirconates, alkaline earth hafnates, rare earth gallates, beryl, and combinations thereof.
La présente invention a pour objet des procédés de fabrication de composants ayant une capacité de mitigation des aluminosilicates de calcium et de magnésium (CMAS) comprenant les étapes consistant à prévoir un composant; à appliquer un revêtement anticorrosion protégeant de l'environnement sur le composant, le revêtement anticorrosion protégeant de l'environnement ayant une couche d'atténuation des effets des CMAS séparée comprenant une composition d'atténuation des effets des CMAS choisie dans le groupe comprenant le spinelle d'aluminate de zinc, les zirconates alcalino-terreux, les hafnates alcalino-terreux, les gallates de terres rares, le béryl, et les combinaisons de ceux-ci.
Ackerman John Frederick
Boutwell Brett Allen
Kirby Glen Harold
Company General Electric
Craig Wilson And Company
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