Development of oxide-dispersion-strengthened alloys for fossil energy applications
Iron-based alloys containing chromium, nickel, aluminum, and rare- earth metals or oxides have been developed by mechanical alloying for application in fossil energy systems. The presence of aluminum and nickel leads to precipitation of the Ni{sub 3}Al phase, which can improve the mechanical properties of the alloys. The addition of {approx}4 wt.{percent} Al to the alloy leads to formation of alumina scales when the alloys are exposed to oxidizing environment. A detailed description of the procedures for mechanical alloying is presented, and physical corrosion tests conducted in air and in sulfur-containing atmospheres, and in the presence of deposits of interest in fossil energy systems. 10 refs., 12 figs., 3 tabs.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- DOE/FE
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5004691
- Report Number(s):
- ANL/FE-89/6; ON: DE90006475
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
IRON BASE ALLOYS
CORROSION
SULFATES
CORROSIVE EFFECTS
ALUMINIUM OXIDES
CERIUM OXIDES
COAL GASIFICATION
COMBUSTION
FOSSIL FUELS
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
MICROSTRUCTURE
MILLING
POWDERS
SCALING
YTTRIUM OXIDES
ALLOYS
ALUMINIUM COMPOUNDS
CERIUM COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
CRYSTAL STRUCTURE
ENERGY SOURCES
FUELS
GASIFICATION
IRON ALLOYS
MACHINING
OXIDATION
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
010400* - Coal
Lignite
& Peat- Processing
360105 - Metals & Alloys- Corrosion & Erosion
360102 - Metals & Alloys- Structure & Phase Studies