Title: Stable nanocrystalline metal alloy coatings with ultra-low wear

Abstract

The present invention relates to metal coatings and methods thereof. In certain embodiments, the invention relates to ultra-low wear noble metal alloys, such as for use in electrical contact coatings.

Inventors:

Argibay, Nicolas; Chandross, Michael E.; Adams, David P.; Dugger, Michael T.; Clark, Blythe G.; Boyce, Brad L.; Lu, Ping

Issue Date:

2020-09-01

Research Org.:

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:

USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:

1735211

Patent Number(s):

10763000

Application Number:

15/968,618

Assignee:

National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS

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B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

B32B15/018 - {one layer being formed of a noble metal or a noble metal alloy}
B32B2307/202 - Conductive
B32B2307/554 - Wear resistance
B32B2457/00 - Electrical equipment

C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS

C22C2200/04 - Nanocrystalline
C22C5/00 - Alloys based on noble metals
C22C5/02 - Alloys based on gold
C22C5/04 - Alloys based on a platinum group metal

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL

C23C14/14 - Metallic material, boron or silicon
C23C14/16 - on metallic substrates or on substrates of boron or silicon
C23C14/165 - {by cathodic sputtering}
C23C14/18 - on other inorganic substrates
C23C14/185 - {by cathodic sputtering}
C23C14/35 - by application of a magnetic field, e.g. magnetron sputtering {
C23C14/5806 - {Thermal treatment}
C23C28/02 - only coatings {only including layers} of metallic material
C23C28/021 - {including at least one metal alloy layer}
C23C28/023 - {only coatings of metal elements only}
C23C30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
C23C30/005 - {on hard metal substrates}

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES

H01B1/02 - mainly consisting of metals or alloys
H01B13/0036 - {Details}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10S977/70 - Nanostructure
Y10S977/72 - On an electrically conducting, semi-conducting, or semi-insulating substrate
Y10S977/755 - Nanosheet or quantum barrier/well, i.e. layer structure having one dimension or thickness of 100 nm or less
Y10S977/81 - Of specified metal or metal alloy composition

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

Y10T428/12868 - Group IB metal-base component alternative to platinum group metal-base component [e.g., precious metal, etc.]
Y10T428/12875 - Platinum group metal-base component
Y10T428/12889 - Au-base component
Y10T428/12896 - Ag-base component
Y10T428/12903 - Cu-base component
Y10T428/12944 - Ni-base component
Y10T428/2495 - Thickness [relative or absolute]
Y10T428/24967 - Absolute thicknesses specified
Y10T428/26 - Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
Y10T428/265 - 1 mil or less

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DOE Contract Number:  

NA0003525

Resource Type:

Patent

Resource Relation:

Patent File Date: 05/01/2018

Country of Publication:

United States

Language:

English

Subject:

36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY