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Title: Methods of making bainitic steel materials

Methods of making bainitic steels may involve austenitizing a quantity of steel by exposing the quantity of steel to a first temperature. A composition of the quantity of steel may be configured to impede formation of non-bainite ferrite, pearlite, and Widmanstatten ferrite. The quantity of steel may be heat-treated to form bainite by exposing the quantity of steel to a second, lower temperature. The second, lower temperature may be stabilized by exposing the quantity of steel to the second, lower temperature in the presence of a thermal ballast.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1417342
Assignee:
Battelle Energy Alliance, LLC (Idaho Falls, ID) INL
Patent Number(s):
9,869,000
Application Number:
14/566,455
Contract Number:
AC07-05ID14517
Resource Relation:
Patent File Date: 2014 Dec 10
Research Org:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE
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Works referenced in this record:

Retained austenite thermal stability in a nanostructured bainitic steel
journal, July 2013
Combinatorial optimization of carbide-free bainitic nanostructures
journal, March 2013
  • Huang, H.; Sherif, M. Y.; Rivera-Díaz-del-Castillo, P. E. J.
  • Acta Materialia, Vol. 61, Issue 5, p. 1639-1647
  • DOI: 10.1016/j.actamat.2012.11.040

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