Standard
Track updates
AS 1856-2004
[Current]Electroplated coatings — Silver
This Standard specifies requirements for the electrodeposited coatings of silver used for engineering purposes that may be matt, bright, or semi-bright and are not less than 98 percent silver purity. The requirements also specify thickness, quality and testing of electroplated coatings of silver on metallic and non-metallic materials for decorative, protective, electrical contact characteristics, high electrical and thermal conductivity, thermocompression bonding, wear resistance of load-bearing surfaces, spectral reflectivity, solderable surfaces and other general engineering applications.
Published: 07/07/2004
Pages: 28
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Test specimens
1.5 Sampling
1.6 Marking
1.7 Packaging
2 Classification and designation
2.1 Categories
2.2 Purity
2.2.1 General
2.2.2 Brighteners
2.3 Grade
2.4 Supplementary surface treatment
2.5 Designation
3 Condition of the metallic substrate surface
3.1 Process requirements
3.2 Strike
3.3 Preplating
3.4 Post-plating
4 Coating requirements
4.1 General
4.2 Purity of coating
4.3 Requirements for undercoats
4.4 Supplementary post treatment
4.5 Appearance
4.6 Defects
4.7 Adhesion
4.8 Solderability
4.9 Thickness of coating
4.9.1 General
4.9.2 Local thickness
4.9.3 Average thickness
5 Supplementary coating requirements
5.1 General
5.2 Hardness
5.2.1 General
5.2.2 Effects of coating composition on hardness
5.3 Spectral reflectance
5.3.1 General
5.3.2 Measurement
5.4 Electrical conductivity and resistivity
5.4.1 Electrical conductivity
5.4.2 Electrical resistivity (contact resistance test)
5.5 Corrosion tests
5.5.1 Humidity test
5.5.2 Anti-tarnishing test
Appendix A
A1 General
A2 Information to be supplied by the purchaser
Appendix B
B1 Scope
B2 Statistical sampling
B3 Product certification
B4 Supplier’s quality management system
B5 Other means of assessment
Appendix C
Appendix D
D1 Scope
D2 Requirements
D3 Categorization of steels
D4 Stress relief
D4.1 High strength steels
D4.2 Shorter times at higher temperatures
D4.3 Stress relief temperatures after shot peening
D4.4 Steels below 1400 MPa
Appendix E
E1 Scope
E2 Requirements
E3 Embrittlement relief treatment classes
E4 Heat treatment after processing
E4.1 Heat treatment
E4.2 High strength steels
E4.3 Threads and sharp notches
E4.4 Surface-hardened, through-hardened and bearing steels
E4.5 Hardness loss for chromium steels
Appendix F
F1 Scope
F2 General
F3 General measuring requirements
F4 Method of measurement
F4.1 Measurement details
F4.2 Test current and voltage
F5 Measuring cycles
F5.1 Measurement with direct current
F5.2 Measurement with alternating current
F6 Requirements
F7 Requirements to be specified
Appendix G
G1 General
G2 Simple model
G3 Application characteristics
G4 Filament bridges
G5 Electromigration
Appendix H
H1 General
H2 Anti-tarnish treatments
Cited references in this standard
[Current]
Methods of test for metallic and related coatings, Method 1.6: Local thickness tests — Taper section method
[Current]
Metal finishing — Preparation and pretreatment of surfaces, Part 6: Chemical conversion treatment of metals
[Current]
Metallic materials — Vickers hardness test, Method 1: Test method (ISO 6507-1:1997, MOD)
[Current]
Methods of test for metallic and related coatings, Method 1.1: Local thickness tests — Micrographic examination of cross-sections
One-time Purchase
Access via web browser on any device
One-time purchase
Single publication
Offline access via PDF^
$119.17 AUD
Inclusive of GSTFormat *
Web Reader
Licenses *
1 user
Total$119.17 AUD
IMPORTANT