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U.S. Department of Energy
Office of Scientific and Technical Information

Nickel aluminides and nickel-iron aluminides for use in oxidizing environments

Patent ·
OSTI ID:5729461
This patent describes a nickel aluminide consisting essentially of: a Ni{sub 3}Al base; a sufficient concentration of a Group IVB element or mixtures thereof to increase high temperature strength; a sufficient concentration of boron to increase ductility; and a sufficient concentration of chromium to increase ductility at elevated temperatures in oxidizing environments.
Assignee:
Martin Marietta Energy Systems, Inc., Oak Ridge, TN
Patent Number(s):
A; US 4731221
Application Number:
PPN: US 6-786562A
OSTI ID:
5729461
Country of Publication:
United States
Language:
English