Advances in processing techniques for nickel aluminides
Conference
·
OSTI ID:5980023
The status of processing technology at ORNL for three nickel aluminide alloys is presented in the form of flow charts. The technologies discussed include powder processing, melting techniques, near-net-shape processes from molten metal, and cold and hot working of cast products. Tensile properties are compared for one of the three alloys after six different processing techniques. Creep-rupture strength is compared for the three nickel aluminide alloys in the cast and wrought condition. Grain size was the main difference between the material produced by various processing techniques. Significant advances in processing technology of nickel aluminides could find them in use for a range of applications in the future. 7 refs., 9 figs., 2 tabs.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5980023
- Report Number(s):
- CONF-8709144-1; ON: DE87014571
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
ALUMINIUM ALLOYS
BORON ADDITIONS
BORON ALLOYS
CASTING
CHROMIUM ALLOYS
COMPARATIVE EVALUATIONS
CREEP
CRYSTAL STRUCTURE
DUCTILITY
ELASTICITY
ELONGATION
FABRICATION
GRAIN SIZE
HOT WORKING
INTERMETALLIC COMPOUNDS
MATERIALS WORKING
MECHANICAL PROPERTIES
MELTING
MICROSTRUCTURE
NICKEL ALLOYS
NICKEL BASE ALLOYS
PHASE TRANSFORMATIONS
PROCESSING
SIZE
STRAIN RATE
TEMPERATURE EFFECTS
TENSILE PROPERTIES
ZIRCONIUM ALLOYS
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
360103 -- Metals & Alloys-- Mechanical Properties
ALLOYS
ALUMINIUM ALLOYS
BORON ADDITIONS
BORON ALLOYS
CASTING
CHROMIUM ALLOYS
COMPARATIVE EVALUATIONS
CREEP
CRYSTAL STRUCTURE
DUCTILITY
ELASTICITY
ELONGATION
FABRICATION
GRAIN SIZE
HOT WORKING
INTERMETALLIC COMPOUNDS
MATERIALS WORKING
MECHANICAL PROPERTIES
MELTING
MICROSTRUCTURE
NICKEL ALLOYS
NICKEL BASE ALLOYS
PHASE TRANSFORMATIONS
PROCESSING
SIZE
STRAIN RATE
TEMPERATURE EFFECTS
TENSILE PROPERTIES
ZIRCONIUM ALLOYS