DEFSTAN 02-828/2(2005) : 2005
Superseded
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REQUIREMENTS FOR THERMAL SPRAY DEPOSITION OF METALS AND CERAMICS FOR ENGINEERING PURPOSES
Hardcopy , PDF
11-05-2013
English
01-01-2005
Foreword
1 Scope
2 Warning
3 Related Documents
3.1 General
4 Qualification of Thermal Spraying Procedures
4.1 Quality
4.2 Spraying Procedure Document
4.3 Qualification of Procedures
4.4 Assessment of Test Coupons
4.4.1 Non-Destructive Tests
4.4.2 Destructive Tests
4.4.3 Coating Porosity Sealing Tests
4.5 Qualification of Operators
5 Thermal Spraying Processes and Equipment
5.1 Approved Processes
5.2 Equipment and Operating Costs
5.3 Deposition Rates
5.4 Portability of Equipment
5.5 Bond Strengths
5.6 Porosity and Density of Deposits
5.7 Application and Limitations of Processes
6 Spraying Consumables
6.1 Types of Consumables
6.2 Storage of Consumables
6.3 Classification of Consumables
6.4 Selection of Coatings
6.5 Shrinkage Characteristics
6.6 Bond Coatings
7 Design Requirements/Guidance
7.1 Design Aspects
7.2 Accessibility
7.3 Edge and End Preparations
7.4 Stress Concentrations
7.5 Thickness of Coatings
8 Thermal Spraying Application Procedures
8.1 Preliminary Examination
8.2 Previous Coatings
8.3 Preliminary Machining or Grinding
8.4 Surface Hardened Components
8.5 Cleaning
8.6 Surface Preparation
8.7 Cleanliness after Preparation
8.8 Interval between Preparation and Spraying
8.9 Masking for Spraying
8.10 Pre-Heating Prior to Spraying
8.11 Spraying
8.12 Continuity of Spraying
8.13 Temperature Control during Spraying
8.14 Cooling After Spraying
8.15 Inspection after Spraying
8.16 Spray Fused Coatings
9 Sealing of Porous Coatings
9.1 Sealing Materials
9.2 Sealing Methods
10 Finishing
10.1 Finishing Operations
10.2 Grinding
10.3 Machining
10.4 Removal of Overspray
10.5 Hand Finishing
11 Final Inspection
11.1 Inspection Procedure
11.2 Visual Inspection
11.3 Liquid Penetrant Inspection
11.4 Dimensional and Surface Finish Check
12 Repair of Defective Coatings
13 Packaging
Annex A
A.1 Abbreviations and Definitions
A.1.1 Abbreviations
A.1.2 Definitions
Annex B
B.1 Procurement Check List
Annex C
C.1 Typical Use of Coatings in Naval Applications
Annex D
D.1 Test Method for Adhesion or Cohesive Strength of
Thermal Sprayed Coatings
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