Nanocomposite permanent magnets and methods of making the same

Johnson, Francis; Colborn, Robert Edgar; Marte, Judson Sloan; Bonitatibus, Jr., Peter John; Kandapallil, Binil Itty Ipe; Haouaoui, Mohammed; Chen, Christina

Title: Nanocomposite permanent magnets and methods of making the same

Patent · Tue Jun 21 00:00:00 EDT 2016

OSTI ID:1531914

Johnson, Francis; Colborn, Robert Edgar; Marte, Judson Sloan; Bonitatibus, Jr., Peter John; Kandapallil, Binil Itty Ipe; Haouaoui, Mohammed; Chen, Christina

A method of making a nanocomposite permanent magnet is provided. The method comprises applying an extreme shear deformation to hard magnetic phase nanoparticles and soft magnetic phase nanoparticles to align at least a portion of the hard phase magnetic particles and to produce a nanocomposite permanent magnet.

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Research Organization:: GE Global Research, Niskayuna, New York (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AR0000158

Assignee:: General Electric Company (Niskayuna, NY)

Patent Number(s):: 9,373,433

Application Number:: 13/538,229

OSTI ID:: 1531914

Resource Relation:: Patent File Date: 2012-06-29

Country of Publication:: United States

Language:: English

References (12)

Iron-base alloy permanent magnet powder and method for producing the same Kanekiyo, Hirokazu https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20010015239 US Patent Application 09/734884; 20010015239	patent-application	August 2001
Composite Permanent Magnets Made from Nanoflakes and Powders Gabay, Alexandr; Cui, Baozhi; Marinescu, Melania https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20120019341 US Patent Application 12/840710; 20120019341	patent-application	January 2012
Magnets made from nanoflake precursors Gabay, Alexander; Cui, Baozhi; Marinescu, Melania https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20120019342 US Patent Application 12/840733; 20120019342	patent-application	January 2012
High energy nanocomposite permanent magnet Sekine, Shigenobu; Sato, Hiroji; Niihara, Koichi https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20020112785 US Patent Application 10/020442; 20020112785	patent-application	August 2002
Compound for rare-earth bonded magnet and bonded magnet using the compound Nishiuchi, Takeshi; Kanekiyo, Hirokazu; Hirosawa, Satoshi https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20040099346 US Patent Application 10/642324; 20040099346	patent-application	May 2004
Anisotropic nanocomposite rare earth permanent magnets and method of making Liu, Shiqiang; Lee, Don https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20060005898 US Patent Application 11/171521; 20060005898	patent-application	January 2006
Nanostructured Mn-Al Permanent Magnets And Methods of Producing Same Baker, Ian; Zeng, Qi https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20120003114 US Patent Application 13/164495; 20120003114	patent-application	January 2012
Permanent magnetic material and permanent magnet Inoue, Akihisa; Takeuchi, Akira https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6183571 US Patent Document 6,183,571	patent	February 2001
Process of forming magnetic nanocomposites via nanoparticle self-assembly Sun, Shouheng; Zeng, Hao https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6972046 US Patent Document 6,972,046	patent	December 2005
Metal salt reduction to form alloy nanoparticles Sun, Shouheng https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20030121364 US Patent Application 10/039540; 20030121364	patent-application	July 2003
Nanocomposite Permanent Magnets and Method of Making Johnson, Francis; Zhang, Wanming; Zon, Min https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20150147217 US Patent Application 14/091380; 20150147217	patent-application	May 2015
Magnetic Nanoparticles, Bulk Nanocomposite Magnets, and Production Thereof Liu, J. Ping https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20100054981 US Patent Application 12/341656; 20100054981	patent-application	March 2010

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