Methods of forming hardened surfaces

Branagan, Daniel J

Title: Methods of forming hardened surfaces

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Abstract

The invention encompasses a method of forming a metallic coating. A metallic glass coating is formed over a metallic substrate. After formation of the coating, at least a portion of the metallic glass can be converted into a crystalline material having a nanocrystalline grain size. The invention also encompasses metallic coatings comprising metallic glass. Additionally, the invention encompasses metallic coatings comprising crystalline metallic material, with at least some of the crystalline metallic material having a nanocrystalline grain size.

Inventors:

Branagan, Daniel J ^[1]

Iona, ID

Issue Date:: 2004-07-27

Research Org.:: Idaho National Lab. (INL), Idaho Falls, ID (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 982799

Patent Number(s):: 6767419

Application Number:: US patent applciation 09/709,918

Assignee:: Bechtel BWXT Idaho, LLC (Idaho Falls, ID)

Patent Classifications (CPCs):: C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL

B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER

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C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C4/04 - characterised by the coating material

B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B22F9/008 - {Rapid solidification processing}
B22F7/08 - with one or more parts not made from powder {
B22F5/12 - of wires {

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process

B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
B23K9/04 - Welding for other purposes than joining, e.g. built-up welding

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C22C45/02 - with iron as the major constituent

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C4/131 - Wire arc spraying

B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B22F2998/00 - Supplementary information concerning processes or compositions relating to powder metallurgy

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C22C38/32 - with boron

C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
C21D2201/03 - Amorphous or microcrystalline structure

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
C22C38/22 - with molybdenum or tungsten

B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B22F2999/00 - Aspects linked to processes or compositions used in powder metallurgy

B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
B23K35/3093 - {with other elements as next major constituents}

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DOE Contract Number:: AC07-99ID13727

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Branagan, Daniel J. Methods of forming hardened surfaces.  United States: N. p., 2004. 
        Web.

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                    Branagan, Daniel J. Methods of forming hardened surfaces.  United States.

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                    Branagan, Daniel J. Tue .  
        "Methods of forming hardened surfaces".  United States.  https://www.osti.gov/servlets/purl/982799.

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@article{osti_982799,

  title        = {Methods of forming hardened surfaces},

  author       = {Branagan, Daniel J},

  abstractNote = {The invention encompasses a method of forming a metallic coating. A metallic glass coating is formed over a metallic substrate. After formation of the coating, at least a portion of the metallic glass can be converted into a crystalline material having a nanocrystalline grain size. The invention also encompasses metallic coatings comprising metallic glass. Additionally, the invention encompasses metallic coatings comprising crystalline metallic material, with at least some of the crystalline metallic material having a nanocrystalline grain size.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2004},

  month        = {7}

}

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