Method for fabricating wrought components for high-temperature gas-cooled reactors and product
Patent
·
OSTI ID:865525
A method and alloys for fabricating wrought components of a high-temperature gas-cooled reactor are disclosed. These wrought, nickel-based alloys, which exhibit strength and excellent resistance to carburization at elevated temperatures, include aluminum and titanium in amounts and ratios to promote the growth of carburization resistant films while preserving the wrought character of the alloys. These alloys also include substantial amounts of molybdenum and/or tungsten as solid-solution strengtheners. Chromium may be included in concentrations less than 10% to assist in fabrication. Minor amounts of carbon and one or more carbide-forming metals also contribute to high-temperature strength.
- Research Organization:
- GA Technologies Inc., San Diego, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AT03-76ET35301
- Assignee:
- United States of America as represented by U.S. Department of Energy (Washington, DC)
- Patent Number(s):
- 4,530,727
- Application Number:
- 06/351,876
- OSTI ID:
- 865525
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/148/376/428/
10
alloys
aluminum
amounts
assist
based alloy
carbide-forming
carbon
carburization
character
chromium
components
concentrations
contribute
cooled reactor
cooled reactors
disclosed
elevated
elevated temperature
elevated temperatures
excellent
excellent resistance
exhibit
fabricating
fabricating wrought
fabrication
films
forming metal
forming metals
gas-cooled
gas-cooled reactor
gas-cooled reactors
growth
high-temperature
high-temperature gas-cooled
included
metals
method
minor
minor amount
minor amounts
molybdenum
nickel-based
nickel-based alloy
preserving
product
promote
ratios
reactor
reactors
resistance
resistant
solid-solution
strength
strengtheners
substantial
substantial amount
substantial amounts
temperature gas
temperature gas-cooled
temperature strength
temperatures
titanium
tungsten
wrought
wrought components
10
alloys
aluminum
amounts
assist
based alloy
carbide-forming
carbon
carburization
character
chromium
components
concentrations
contribute
cooled reactor
cooled reactors
disclosed
elevated
elevated temperature
elevated temperatures
excellent
excellent resistance
exhibit
fabricating
fabricating wrought
fabrication
films
forming metal
forming metals
gas-cooled
gas-cooled reactor
gas-cooled reactors
growth
high-temperature
high-temperature gas-cooled
included
metals
method
minor
minor amount
minor amounts
molybdenum
nickel-based
nickel-based alloy
preserving
product
promote
ratios
reactor
reactors
resistance
resistant
solid-solution
strength
strengtheners
substantial
substantial amount
substantial amounts
temperature gas
temperature gas-cooled
temperature strength
temperatures
titanium
tungsten
wrought
wrought components