High temperature performance of nickel aluminide castings for furnace fixtures and components
Conference
·
OSTI ID:383645
- United Defense, Anniston, AL (United States)
- Oak Ridge National Lab., TN (United States)
Materials are often the key to technological advancement. To remain competitive and create new markets, modern heat treating industries must utilize these technological advances to increase production and process efficiencies. These challenges are frequently met by increasing process temperatures and minimizing down time for maintenance and unscheduled repairs. This requirement has frequently been a challenge in the past since an increase in the process temperature typically results in a decrease in the life of the furnace fixtures and components. Nickel aluminide intermetallic alloys, based on the Ni{sub 3}Al composition and structure, are a new class of materials for use in the heat treating industries. These alloys provide excellent strength at elevated temperatures combined with very good resistance to carburization (in reducing and oxidizing environments) and high temperature oxidation. The mechanical and physical properties of cast nickel aluminide alloys are presented and compared to other commercially available cast and wrought heat resistant alloys. The advances in the development of these alloys are also discussed.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-96OR22464
- OSTI ID:
- 383645
- Report Number(s):
- CONF-960333--1; ON: DE96014612
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
36 MATERIALS SCIENCE
ALUMINIUM ALLOYS
CHEMICAL COMPOSITION
COMPARATIVE EVALUATIONS
CORROSION RESISTANCE
CORROSION RESISTANT ALLOYS
DATA
FURNACES
HEAT RESISTANT MATERIALS
INDUSTRIAL PLANTS
INTERMETALLIC COMPOUNDS
MECHANICAL PROPERTIES
NICKEL BASE ALLOYS
36 MATERIALS SCIENCE
ALUMINIUM ALLOYS
CHEMICAL COMPOSITION
COMPARATIVE EVALUATIONS
CORROSION RESISTANCE
CORROSION RESISTANT ALLOYS
DATA
FURNACES
HEAT RESISTANT MATERIALS
INDUSTRIAL PLANTS
INTERMETALLIC COMPOUNDS
MECHANICAL PROPERTIES
NICKEL BASE ALLOYS