Compositions: coating or plastic – Coating or plastic compositions – Molds and mold coating compositions
Patent
1978-01-05
1979-12-11
Bell, Mark Vertiz
Compositions: coating or plastic
Coating or plastic compositions
Molds and mold coating compositions
106 732, 106 734, 423263, 423600, B28B 734, C04B 3544, C04B 3550, C01F 1700
Patent
active
041781872
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.
REFERENCES:
patent: 3294701 (1966-12-01), Vogel et al.
patent: 3420780 (1969-01-01), Forrat et al.
patent: 3531421 (1970-09-01), Foex et al.
Levin, E., et al., "Phase Diagrams For Ceramists 1969 Supplement", p. 95, FIG. 2342, 1969.
Huseby Irvin C.
Klug Frederic J.
Bell Mark Vertiz
Cohen Joseph T.
General Electric Company
MaLossi Leo I.
Winegar Donald M.
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