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  • DEFSTAN 03-17/3(2007) : 2007

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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    ELECTRO-DEPOSITION OF GOLD

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  30-04-2015

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  UK Ministry of Defence Standards

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Warning
    3 Normative References
    4 Definitions
      4.2 Gold alloy coating
      4.3 Gold coating
      4.4 Multiple layer gold coating
      4.5 Process control schedule
      4.6 Significant surface
    5 Information to be supplied by the purchaser
    6 Process control
    7 Process requirements
      7.1 General
      7.2 Undercoats
      7.3 Classification code
          7.3.1 Classification
          7.3.2 Classification code examples
      7.4 Gold plating
          7.4.1 Electrolytes
          7.4.2 Washing
      7.5 Thickness of gold coating
          7.5.1 For solderability
          7.5.2 For purposes other than solderability
      7.6 Heat treatment
          7.6.4 Heat treatment of aluminium alloys
    8 Inspection and test
      8.1 Inspection
      8.2 Selection of test samples
      8.3 Visual inspection
      8.4 Porosity
      8.5 Adhesion
      8.6 Thickness of coating
          8.6.1 General
          8.6.2 Local thickness
          8.6.3 Vat plated items
          8.6.4 Barrel plated items
      8.7 Hardness
      8.8 Solderability
      8.9 Gold content
    Annex A Environmental Tests
      A.1 General
      A.2 Sulfur Dioxide Exposure Test
      A.3 Nitric Acid Test
    Annex B Porosity Tests
      B.1 General
      B.2 Specimen and equipment preparation
      B.3 Cadmium sulphide test for assessment of gold on
          copper substrates/undercoats
      B.4 Nioxime test for assessment of gold on nickel
          substrates/undercoats
      B.5 Notes on the tests
          B.5.6 Cadmium sulphide paper
          B.5.7 Nioxime paper
    Annex C Adhesion Tests
      C.1 Burnishing test
      C.2 Bend test
      C.3 Quenching test
    Annex D Determination of Gold Content of Gold or Gold
            Alloy Deposits
      D.1 Principle
      D.2 Reagents
      D.3 Method
      D.4 Calculation

    Abstract - (Show below) - (Hide below)

    Specifies the requirements for the electro-deposition of gold on ferrous-base materials, copper-base materials, aluminium-base materials, zinc-base materials and nickel-base materials for MOD use.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes DEFSTAN 03-17/2(1992). (05/2007) This standard is obsolescent because it is no longer required for the procurement of new equipment but is retained for maintenance purposes in support of existing in-service equipment. (05/2013)
    Document Type Standard
    Publisher UK Ministry of Defence Standards
    Status Withdrawn
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 7195(1989) : 1989 GUIDE FOR PREVENTION OF CORROSION OF METALS CAUSED BY VAPOURS FROM ORGANIC MATERIALS
    DEFSTAN 21-5/4(2016) : 2016 CODE OF PRACTICE FOR PROTECTIVE FINISHES
    DEFSTAN 03-29/4(2008) : 2008 PROTECTION OF METALLIC SPRINGS AGAINST CORROSION
    DEFSTAN 03-4/6(2011) : 2011 THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA
    DEFSTAN 21-5/3(2009) : 2009 CODE OF PRACTICE FOR PROTECTIVE FINISHES
    SAE AMS03-4A : 2015(S2017) THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA

    Standards Referencing This Book - (Show below) - (Hide below)

    BS EN ISO 4516:2002 Metallic and other inorganic coatings. Vickers and Knoop microhardness tests
    BS EN ISO 3543:2001 Metallic and non-metallic coatings. Measurement of thickness. Beta backscatter method
    BS EN ISO 3696:1995 Water for analytical laboratory use. Specification and test methods
    BS EN ISO 2178:2016 Non-magnetic coatings on magnetic substrates. Measurement of coating thickness. Magnetic method
    BS EN ISO 3497:2001 Metallic coatings. Measurement of coating thickness. X-ray spectrometric methods
    DEFSTAN 03-4/5(2006) : 2006 THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA
    BS EN ISO 2177:2004 Metallic coatings. Measurement of coating thickness. Coulometric method by anodic dissolution
    DEFSTAN 03-2/4(2005) : 2005 CLEANING AND PREPARATION OF METAL SURFACES
    BS EN ISO 1463:2004 Metallic and oxide coatings. Measurement of coating thickness. Microscopical method
    BS 2011-2.1T:1981 Environmental testing. Tests Test T. Soldering
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