DEFSTAN 03-38/1(2007) : 2007

Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Abbreviations
5 Specific Guidance For Alternatives To Hard Chromium Plate
   In Defence Equipment
   5.1 Introduction
   5.5 Fatigue
6 Basic Properties And Process Details Of Hard Chromium
   Plating
   6.1 Types of chromium plate
   6.2 Electrolytic hard chromium coating
   6.3 Survey of equipment items traditionally hard chromium
        plated
7 Alternatives To Hard Chromium Plating
   7.1 Classification of alternatives
   7.2 Aqueous-based processes
   7.3 Trivalent-chromium-based coating from a non-aqueous
        electroplating bath
   7.4 Thermal sprayed coatings
   7.5 Vapour deposition
   7.6 Overlay processes
   7.7 Modification/substitution of "basis material"
8 Assessment Of Alternatives For Hard Chromium Plating
   8.1 Process features
   8.2 Properties/behaviour of EHC alternatives
   8.3 Cost exercises
   8.4 Industry experience
9 Specific guidance for alternatives to hexavalent chromium
   conversion coatings in defence equipment
   9.2 Zinc-base substrates
   9.3 Aluminium-base substrates
10 Basic Properties And Process Details Of Chromium Conversion
   Coating (CCC)
11 Alternatives To Chromium Conversion Coating (CCC)
   11.1 General comments on CCC alternatives
   11.2 CCC alternatives for zinc-base coatings
   11.3 CCC alternatives for aluminium-base substrates
12 Assessment Of CCC Alternatives
   12.1 Zinc-base substrates
   12.2 Aluminium-base substrates
13 Specific guidance for alternatives to chromic acid anodising
   (CAA)
   13.1 Provision of corrosion resistance and paint adhesion
   13.2 Pretreatment for structural adhesive bonding
14 Chromic Acid Anodising (CAA)
15 Alternatives To Chromic Acid Anodising (CAA)
   15.1 Sulphuric acid anodising (SAA)
   15.2 Other, non-chromate anodising processes
16 Commercial utilisation of CAA alternatives
Annex A - Health And Safety Issues And The Current Regulations
          For, And Restrictions On The Use Of, Hard Chromium
          Plating, Chromium Conversion Coating, And Chromic
          Acid Anodising
   A.1 The Chemistry Of Chromium
   A.2 Health And Environmental Aspects Of The Various Forms
        Of Chromium
   A.3 Impact On Production And Use Of Hard Chromium Plating
   A.4 Impact On Production And Use Of Chromium Conversion
        Coatings And Chromic Acid Anodising
   A.5 Legislative Regulations
   A.6 Summarising Comments
   A.7 Health And Environmental Aspects Associated With
        Hexavalent Chromium Alternatives
Annex B - List Of References
Tables
Figures