DEFSTAN 03-17/3(2007) : 2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
04-30-2015
English
01-01-2007
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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Withdrawn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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