C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 28/00 (2006.01) C23C 28/04 (2006.01)
Patent
CA 2745629
Calcium magnesium aluminosilcate (CMAS) mitigation compositions selected from zinc aluminate spinel, alkaline earth zirconates, alkaline earth hafnates, rare earth gallates, beryl, and combinations thereof wherein the CMAS mitigation composition is included as a separate CMAS mitigation layer in an environmental barrier coating for a high temperature substrate component.
La présente invention a pour objet des compositions permettant de réduire le dépôt des aluminosilicates de calcium et de magnésium (CMAS) choisies parmi 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, la composition de mitigation des CMAS étant incluse en tant que couche permettant de réduire le dépôt des CMAS séparée dans un revêtement pour barrières environnementales pour un composant de substrat à haute température.
Ackerman John Frederick
Boutwell Brett Allen
Kirby Glen Harold
Company General Electric
Craig Wilson And Company
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