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Title: Multi-phase magnetic component and method of forming

Patent ·
OSTI ID:1525048
; ; ; ;

A magnetic component including first and second regions, and a method of varying the magnetization values in different regions of the magnetic component are disclosed. The first and the second regions are characterized by a nitrogen content that is different from each other. At least one of the first region and the second region is partially-magnetic and has a nitrogen content in a range from about 0.1 weight % to about 0.4 weight % of that region. A concentration of carbon, if present, of both the first and second regions is less than about 0.05 weight % of the respective regions.

Research Organization:
General Electric Co., Schenectady, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0005573
Assignee:
General Electric Company (Schenectady, NY)
Patent Number(s):
10,229,776
Application Number:
15/078,439
OSTI ID:
1525048
Resource Relation:
Patent File Date: 2016-03-23
Country of Publication:
United States
Language:
English

References (17)

Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same patent July 2001
Dual phase magnetic material component and method of forming patent April 2017
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High resistance magnet and motor using the same patent April 2010
Multi-Phase Magnetic Component and Method of Forming patent-application July 2016
Non-oriented electrical steel sheets with excellent magnetic properties and method for manufacturing the same patent December 2010
Process for removing aluminum-silicon coatings from metallic structures, and related processes for preparing magnetic components patent October 2017
Dual magnetic phase rotor laminations for induction machines patent-application September 2014
Tooth saturation for reduced electromagnetic harmonics patent December 2003
R-T-B sintered permanent magnet patent October 2002
Dual Phase Magnetic Material Component and Method of Forming patent-application April 2015
Dual Magnetic Phase Stator Laminations for Stator Permanent Magnet Electric Machines patent-application August 2014
Method for Forming a Nitrogenation Barrier and Machine Formed Using a Body Having the Nitrogenation Barrier patent-application June 2018
Composite magnetic member excellent in corrosion resistance and method of producing the same patent June 2001
Synchronous reluctance electrical motor having a low torque-ripple design patent October 1998
Primary structure multi-layer insulation patent April 1990
Rare earth permanent magnet and method for producing the same patent June 2000

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