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DEFSTAN 03-17/3(2007) : 2007

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by
withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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Withdrawn date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

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

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.

DevelopmentNote
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)
DocumentType
Standard
Pages
20
PublisherName
UK Ministry of Defence Standards
Status
Withdrawn
SupersededBy
Supersedes

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

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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