Pre-treatment for molybdenum or molybdenum-rich alloy articles to be plated

Title: Pre-treatment for molybdenum or molybdenum-rich alloy articles to be plated

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Abstract

This invention is a method for etching a molybdenum or molybdenum-rich alloy surface to promote the formation of an adherent bond with a subsequently deposited metallic plating. In a typical application, the method is used as a pre-treatment for surfaces to be electrolessly plated with nickel. The pre-treatment comprises exposing the crystal boundaries of the surface by (a) anodizing the surface in acidic solution to form a continuous film of gray molybdenum oxide thereon and (b) removing the film.

Inventors:

Wright, Ralph R ^[1]

Oak Ridge, TN

Issue Date:: 1980-01-01

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:: 863613

Patent Number(s):: 4212907

Assignee:: United States of America as represented by United States (Washington, DC)

Patent Classifications (CPCs):: C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25D - PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS

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

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C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25D - PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS
C25D11/26 - of refractory metals or alloys based thereon
C25D5/38 - of refractory metals or nickel

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C18/1848 - {by electrochemical pretreatment}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/1259 - Oxide

C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
C23C18/1844 - {with use of organic or inorganic compounds other than metals, first}

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DOE Contract Number:: W-7405-ENG-26

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: pre-treatment; molybdenum; molybdenum-rich; alloy; articles; plated; method; etching; surface; promote; formation; adherent; bond; subsequently; deposited; metallic; plating; typical; application; surfaces; electrolessly; nickel; comprises; exposing; crystal; boundaries; anodizing; acidic; solution; form; continuous; film; gray; oxide; thereon; removing; typical application; alloy surface; acidic solution; molybdenum oxide; subsequently deposited; comprises exposing; alloy articles; molybdenum-rich alloy; electrolessly plated; alloy article; subsequently deposit; continuous film; /427/205/428/

Citation Formats


                    Wright, Ralph R. Pre-treatment for molybdenum or molybdenum-rich alloy articles to be plated.  United States: N. p., 1980. 
        Web.

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                    Wright, Ralph R. Pre-treatment for molybdenum or molybdenum-rich alloy articles to be plated.  United States.

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                    Wright, Ralph R. Tue .  
        "Pre-treatment for molybdenum or molybdenum-rich alloy articles to be plated".  United States.  https://www.osti.gov/servlets/purl/863613.

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@article{osti_863613,

  title        = {Pre-treatment for molybdenum or molybdenum-rich alloy articles to be plated},

  author       = {Wright, Ralph R},

  abstractNote = {This invention is a method for etching a molybdenum or molybdenum-rich alloy surface to promote the formation of an adherent bond with a subsequently deposited metallic plating. In a typical application, the method is used as a pre-treatment for surfaces to be electrolessly plated with nickel. The pre-treatment comprises exposing the crystal boundaries of the surface by (a) anodizing the surface in acidic solution to form a continuous film of gray molybdenum oxide thereon and (b) removing the film.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1980},

  month        = {1}

}

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Pre-treatment for molybdenum or molybdenum-rich alloy articles to be plated

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A method is described for etching a molybdenum or molybdenum-rich alloy surface to promote the formation of an adherent bond with a subsequently deposited metallic plating. In a typical application, the method is used as a pre-treatment for surfaces to be electrolessly plated with nickel. The pre-treatment comprises exposing the crystal boundaries of the surface by anodizing the surface in acidic solution to form a continuous film of gray molybdenum oxide and removing the film.
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