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
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360103 -- Metals & Alloys-- Mechanical Properties
ALUMINIUM COMPOUNDS
BORON
CHROMIUM
ELEMENTS
FABRICATION
HIGH TEMPERATURE
IRON COMPOUNDS
MECHANICAL PROPERTIES
METALS
NICKEL COMPOUNDS
OXIDIZERS
SEMIMETALS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
USES
360101* -- Metals & Alloys-- Preparation & Fabrication
360103 -- Metals & Alloys-- Mechanical Properties
ALUMINIUM COMPOUNDS
BORON
CHROMIUM
ELEMENTS
FABRICATION
HIGH TEMPERATURE
IRON COMPOUNDS
MECHANICAL PROPERTIES
METALS
NICKEL COMPOUNDS
OXIDIZERS
SEMIMETALS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
USES