Methods of making bainitic steel materials

Bakas, Michael Paul; Chu, Henry Shiu-Hung; Zagula, Thomas Andrew; Langhorst, Benjamin Robert

Title: Methods of making bainitic steel materials

Patent · Tue Jan 16 00:00:00 EST 2018

OSTI ID:1417342

Bakas, Michael Paul; Chu, Henry Shiu-Hung; Zagula, Thomas Andrew; Langhorst, Benjamin Robert

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.

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Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC07-05ID14517

Assignee:: Battelle Energy Alliance, LLC (Idaho Falls, ID)

Patent Number(s):: 9,869,000

Application Number:: 14/566,455

OSTI ID:: 1417342

Resource Relation:: Patent File Date: 2014 Dec 10

Country of Publication:: United States

Language:: English

References (9)

Method for Quenching Steel Rails in a Fluidized Powder Medium https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/3658602 US Patent Document 3658602	patent	April 1972
Thermal treatment in a fluidized bed Van den Sype, Jaak S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5064479 US Patent Document 5,064,479	patent	November 1991
Method of complete bainite hardening Lund, Thore; Larsson, Staffan; Olund, Patrik https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6149743 US Patent Document 6,149,743	patent	November 2000
Method of making high strength bainite article, and article made thereby Machrowicz, Tad; Landino, Brandon https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20060060268 US Patent Application 11/227354: 20060060268	patent-application	March 2006
Bainite Steel and Methods of Manufacture Thereof Bhadeshia, Harshad Kumar Dharamshi Hansraj; Garcia-Mateo, Carlos; Brown, Peter https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20110126946 US Patent Application 12/737630; 20110126946	patent-application	June 2011
Super bainite steel and method for manufacturing it Clarke, Richard; Davies, Paul; Madill, John https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20130167983 US Patent Application 13/820887: 20130167983	patent-application	July 2013
Retained austenite thermal stability in a nanostructured bainitic steel Avishan, Behzad; Garcia-Mateo, Carlos; Yazdani, Sasan Materials Characterization, Vol. 81, p. 105-110 https://doi.org/10.1016/j.matchar.2013.04.015	journal	July 2013
The Bainite Controversy Fielding, L. C. D. Materials Science and Technology, Vol. 29, Issue 4, p. 383-399 https://doi.org/10.1179/1743284712Y.0000000157	journal	April 2013
Combinatorial optimization of carbide-free bainitic nanostructures Huang, H.; Sherif, M. Y.; Rivera-Díaz-del-Castillo, P. E. J. Acta Materialia, Vol. 61, Issue 5, p. 1639-1647 https://doi.org/10.1016/j.actamat.2012.11.040	journal	March 2013

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