Method of thermomagnetically processing an aluminum alloy

Ludtka, Gerard M.; Rios, Orlando; Weiss, David

Title: Method of thermomagnetically processing an aluminum alloy

Patent · Tue Aug 21 00:00:00 EDT 2018

OSTI ID:1471097

Ludtka, Gerard M.; Rios, Orlando; Weiss, David

A method of thermomagnetically processing an aluminum alloy entails heat treating an aluminum alloy, and applying a high field strength magnetic field of at least about 2 Tesla to the aluminum alloy during the heat treating. The heat treating and the application of the high field strength magnetic field are carried out for a treatment time sufficient to achieve a predetermined standard strength of the aluminum alloy, and the treatment time is reduced by at least about 50% compared to heat treating the aluminum alloy without the magnetic field.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Number(s):: 10,053,760

Application Number:: 15/424,033

OSTI ID:: 1471097

Resource Relation:: Patent File Date: 2017 Feb 03

Country of Publication:: United States

Language:: English

References (12)

Method of and apparatus for thermomagnetically processing a workpiece Kisner, Roger A.; Rios, Orlando; Wilgen, John B. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8795444 US Patent Document 8,795,444	patent	August 2014
The effect of high magnetic field on phase stability in Fe-Ni Nicholson, D. M. C.; Kisner, R. A.; Ludtka, G. M. Journal of Applied Physics, Vol. 95, Issue 11, p. 6580-6582 https://doi.org/10.1063/1.1689761	journal	June 2004
Influence of a low-frequency electromagnetic field on precipitation behavior of a high strength aluminum alloy Liu, Xiaotao; Cui, Jianzhong; Wang, Engang Materials Science and Engineering: A, Vol. 402, Issue 1-2, p. 1-4 https://doi.org/10.1016/j.msea.2005.01.010	journal	August 2005
Comparison of experimental, calculated and observed values for electrical and thermal conductivity of aluminium alloys Olafsson, P.; Sandstrom, R.; Karlsson, Å. Journal of Materials Science, Vol. 32, Issue 16, p. 4383-4390 https://doi.org/10.1023/A:1018680024876	journal	January 1997
Magnetic field annealing for improved creep resistance Brady, Michael P.; Ludtka, Gail M.; Ludtka, Gerard M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9217187 US Patent Document 9,217,187	patent	December 2015
A new challenge: grain boundary engineering for advanced materials by magnetic field application Watanabe, Tadao; Tsurekawa, Sadahiro; Zhao, Xiang Journal of Materials Science, Vol. 41, Issue 23, p. 7747-7759 https://doi.org/10.1007/s10853-006-0740-1	journal	October 2006
In situ evidence of enhanced transformation kinetics in a medium carbon steel due to a high magnetic field Ludtka, G. M.; Jaramillo, R. A.; Kisner, R. A. Scripta Materialia, Vol. 51, Issue 2, p. 171-174 https://doi.org/10.1016/j.scriptamat.2004.03.029	journal	July 2004
Method for residual stress relief and retained austenite destabilization Ludtka, Gerard M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6773513 US Patent Document 6,773,513	patent	August 2004
Thermal and high magnetic field treatment of materials and associated apparatus Kisner, Roger A.; Wilgen, John B.; Ludtka, Gerard M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7745765 US Patent Document 7,745,765	patent	June 2010
Thermal and high magnetic field treatment of materials and associated apparatus Kisner, Roger A.; Wilgen, John B.; Ludtka, Gerard M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7161124 US Patent Document 7,161,124	patent	January 2007
Effects of high magnetic field on the evolutions of constituent phases in 7085 aluminum alloy during homogenization He, Lizi; Li, Xiehua; Zhu, Pei Materials Characterization, Vol. 71 https://doi.org/10.1016/j.matchar.2012.05.014	journal	September 2012
High magnetic field ohmically decoupled non-contact technology Wilgen, John B.; Kisner, Roger A.; Ludtka, Gerard M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7534980 US Patent Document 7,534,980	patent	May 2009

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