DEFSTAN 03-19/3(2005) : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRO-DEPOSITION OF CADMIUM
Hardcopy , PDF
02-27-2023
English
01-01-2005
Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
4.2 Process Control Schedule
4.3 Significant Surface
4.4 Tensile Strength of Steels
4.4.1 Tensile Strength
4.4.2 Tensile Strength/Hardness Relationship
5 Information to be Supplied to the Processor
6 Process Control
7 Pre-treatment and Preparation
8 Heat Treatment
9 Surface Preparation
10 Cadmium Plating
10.1 Electrolyte
10.2 Anodes
10.3 Material other than steel
10.4 Locally chromium plated items
10.5 Thickness requirements
11 Washing
12 Passivation
13 Heat Treatment Relief of Hydrogen Embrittlement
14 Inspection
15 Selection of Test Samples
16 Visual Inspection
17 Adhesion
18 Thickness of Coating
18.1 General
18.2 Local Thickness
18.3 Average Thickness
19 Freedom from mercury
20 Re-treatment of items rejected on inspection
Annex A - Composition and Preparation of Suitable
Electrolytes
A.1 Composition
A.1.1 For vats
A.1.2 For barrels
A.1.3 For vats and barrels ("High Speed" bright
plating electrolyte)
A.2 Preparation
A.2.1 For A.1.1 (vats)
A.2.2 For A.1.2 (barrels)
A.2.3 For A.1.3 (vats and barrels, "High Speed"
electrolyte)
Annex B - Method for the Detection of Mercury
B.1 Mercury in salts
B.2 Mercury in electrolyte
B.3 Mercury in anodes
B.4 Mercury in coating
Annex C - Adhesion Tests
C.1 Burnishing test
C.2 Bend test
Annex D - Methods for the Determination of Average Thickness
D.1 Determination of Average Thickness of Cadmium Coating
D.2 Determination of Average Thickness of Nickel Undercoat
on Copper Based Materials
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