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Patents
Patents Examined by Mark Vertiz Bell
Patents Examined by Mark Vertiz Bell
Mixed oxide compound NdAlO.sub.3 for casting advanced superalloy materials
Patent number:
4178187
Abstract:
Mixed oxide compounds La.sub.2 O.sub.3.11Al.sub.2 O.sub.3, NdAlO.sub.3 and nonstoichiometric MgAl.sub.2 O.sub.3 are suitable for making cores and molds for casting advanced superalloy materials such as NiTaC-13.
Type:
Grant
Filed:
January 5, 1978
Date of Patent:
December 11, 1979
Assignee:
General Electric Company
Inventors:
Irvin C. Huseby, Frederic J. Klug