Thermogravimetric study of reduction of oxides present in oxidized nickel-base alloy powders
Technical Report
·
OSTI ID:7345560
Carbon, hydrogen, and hydrogen plus carbon reduction of three oxidized nickel-base alloy powders (a solid solution strengthened alloy both with and without the gamma prime formers aluminum and titanium and the solid solution strengthened alloy NiCrAlY) were evaluated by thermogravimetry. Hydrogen and hydrogen plus carbon were completely effective in reducing an alloy containing chromium, columbium, tantalum, molybdenum, and tungsten. However, with aluminum and titanium present the reduction was limited to a weight loss of about 81 percent. Carbon alone was not effective in reducing any of the alloys, and none of the reducing conditions were effective for use with NiCrAlY. (Author) (GRA)
- OSTI ID:
- 7345560
- Report Number(s):
- N-76-17225; NASA-TM-X-3340; E-8492
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
ALLOYS
ALUMINIUM ALLOYS
CARBON
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CRYOGENIC FLUIDS
ELEMENTS
FLUIDS
GRAVIMETRIC ANALYSIS
HYDROGEN
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NIOBIUM ALLOYS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
QUANTITATIVE CHEMICAL ANALYSIS
REDUCTION
TANTALUM ALLOYS
THERMAL ANALYSIS
THERMAL GRAVIMETRIC ANALYSIS
TUNGSTEN ALLOYS
YTTRIUM ALLOYS
360101* -- Metals & Alloys-- Preparation & Fabrication
ALLOYS
ALUMINIUM ALLOYS
CARBON
CHALCOGENIDES
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CRYOGENIC FLUIDS
ELEMENTS
FLUIDS
GRAVIMETRIC ANALYSIS
HYDROGEN
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NIOBIUM ALLOYS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
QUANTITATIVE CHEMICAL ANALYSIS
REDUCTION
TANTALUM ALLOYS
THERMAL ANALYSIS
THERMAL GRAVIMETRIC ANALYSIS
TUNGSTEN ALLOYS
YTTRIUM ALLOYS