Graded magnetic component and method of forming

Zou, Min; Johnson, Francis; Reddy, Patel Bhageerath; Alexander, James Pellegrino; El-Refaie, Ayman Mohamed Fawzi; Zhang, Wanming

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Title: Graded magnetic component and method of forming

Abstract

A magnetic component including at least one region is disclosed. The at least one region includes nitrogen and a concentration of the nitrogen in the at least one region is graded across a dimension of the at least one region. Further, a saturation magnetization in the at least one region is graded across the dimension of the at least one region. Further, a method of varying the magnetization values in at least one region of the magnetic component is disclosed.

Inventors:: Zou, Min; Johnson, Francis; Reddy, Patel Bhageerath; Alexander, James Pellegrino; El-Refaie, Ayman Mohamed Fawzi; Zhang, Wanming

Issue Date:: Tue Mar 12 00:00:00 EDT 2019

Research Org.:: General Electric Co., Schenectady, NY (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1525047

Patent Number(s):: 10229777

Application Number:: 15/078,516

Assignee:: General Electric Company (Schenectady, NY)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL

C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS

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B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
B05D7/14 - to metal, e.g. car bodies

C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
C21D1/26 - Methods of annealing
C21D2221/00 - Treating localised areas of an article
C21D8/12 - during manufacturing of articles with special electromagnetic properties
C21D8/1294 - {involving a localized treatment}

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C22C38/04 - containing manganese
C22C38/30 - with cobalt
C22C38/38 - with more than 1.5% by weight of manganese

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C8/04 - Treatment of selected surface areas, e.g. using masks
C23C8/26 - of ferrous surfaces

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01F - MAGNETS
H01F1/147 - Alloys characterised by their composition {
H01F41/0253 - {for manufacturing permanent magnets}
H01F7/021 - {Construction of PM

H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES
H02K1/02 - characterised by the magnetic material
H02K1/246 - {Variable reluctance rotors}
H02K19/02 - Synchronous motors

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DOE Contract Number:: EE0005573

Resource Type:: Patent

Resource Relation:: Patent File Date: 2016-03-23

Country of Publication:: United States

Language:: English

Citation Formats


                    Zou, Min, Johnson, Francis, Reddy, Patel Bhageerath, Alexander, James Pellegrino, El-Refaie, Ayman Mohamed Fawzi, and Zhang, Wanming. Graded magnetic component and method of forming.  United States: N. p., 2019. 
        Web.

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                    Zou, Min, Johnson, Francis, Reddy, Patel Bhageerath, Alexander, James Pellegrino, El-Refaie, Ayman Mohamed Fawzi, & Zhang, Wanming. Graded magnetic component and method of forming.  United States.

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                    Zou, Min, Johnson, Francis, Reddy, Patel Bhageerath, Alexander, James Pellegrino, El-Refaie, Ayman Mohamed Fawzi, and Zhang, Wanming. Tue .  
        "Graded magnetic component and method of forming".  United States.  https://www.osti.gov/servlets/purl/1525047.

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@article{osti_1525047,

  title        = {Graded magnetic component and method of forming},

  author       = {Zou, Min and Johnson, Francis and Reddy, Patel Bhageerath and Alexander, James Pellegrino and El-Refaie, Ayman Mohamed Fawzi and Zhang, Wanming},

  abstractNote = {A magnetic component including at least one region is disclosed. The at least one region includes nitrogen and a concentration of the nitrogen in the at least one region is graded across a dimension of the at least one region. Further, a saturation magnetization in the at least one region is graded across the dimension of the at least one region. Further, a method of varying the magnetization values in at least one region of the magnetic component is disclosed.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Mar 12 00:00:00 EDT 2019},

  month        = {Tue Mar 12 00:00:00 EDT 2019}

}

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Works referenced in this record:

Composite magnetic member, method of producing ferromagnetic portion of same, and method of forming non-magnetic portion of same
patent, July 2001

Yokoyama, Shin; Inui, Tsutomu; Yamada, Hiroyuki
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Silicon single crystal wafer having few defects wherein nitrogen is doped and a method for producing it
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