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Title: Method for fabricating wrought components for high-temperature gas-cooled reactors and product

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.
Authors:
 [1] ;  [1]
  1. (San Diego, CA)
Publication Date:
OSTI Identifier:
865525
Report Number(s):
US 4530727
DOE Contract Number:
AT03-76ET35301
Resource Type:
Patent
Research Org:
GA TECHNOLOGIES INC
Country of Publication:
United States
Language:
English
Subject:
method; fabricating; wrought; components; high-temperature; gas-cooled; reactors; product; method; alloys; fabricating; wrought; components; high-temperature; gas-cooled; reactor; disclosed; wrought; nickel-based; alloys; exhibit; strength; excellent; resistance; carburization; elevated; temperatures; aluminum; titanium; amounts; ratios; promote; growth; carburization; resistant; films; preserving; wrought; character; alloys; alloys; substantial; amounts; molybdenum; tungsten; solid-solution; strengtheners; chromium; included; concentrations; 10; assist; fabrication; minor; amounts; carbon; carbide-forming; metals; contribute; high-temperature; strength; forming metal; gas-cooled reactor; gas-cooled reactor; temperature gas-cooled; temperature gas-cooled; temperature strength; minor amounts; temperature gas; temperature gas; elevated temperatures; elevated temperature; minor amount; substantial amount; based alloy; substantial amounts; excellent resistance; wrought components; wrought components; forming metals; fabricating wrought; fabricating wrought; gas-cooled reactors; nickel-based alloy; high-temperature gas-cooled; high-temperature gas-cooled; cooled reactors; cooled reactor; cooled reactor /148/376/428/