DEFSTAN 03-25/5(2008) : 2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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SULFURIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS
Hardcopy , PDF
21-05-2015
English
01-01-2008
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
0 Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
4.2 Batch
4.3 Process Control Schedule
4.4 Purified water
4.5 Significant Surface
5 Information to be Supplied to the Processor
6 Process Control
7 Applications and Limitations
7.1 Applications
7.2 Compatibility with explosives, propellants and
pyrotechnics
7.3 Limitations
8 Process Requirements
8.1 Surface preparation
8.2 Anodizing
8.2.1 Process
8.2.2 Coating thickness
8.3 Washing
8.4 Dyeing
8.5 Sealing
8.6 Drying
8.7 Re-anodizing
9 Inspection and Test
9.1 Processing
9.2 Frequency of testing
9.3 Appearance
9.4 Thickness of coating
9.5 Dyed coatings
9.5.1 Resistance to leaching
9.5.2 Fastness to light
9.6 Sealing assessment
9.7 Electrical insulation
9.8 Abrasion resistance
9.9 Reflectivity
9.10 Corrosion test
Annex A - Sulfuric Acid Anodizing Process for Aluminium and
Aluminium Alloys
A.1 Electrolyte
A.2 Cathode
A.3 Suspension or Jigging
A.4 Anodizing Procedure
Annex B - Analysis of Sulfuric Acid Electrolyte
B.1 Analysis of Sulfuric Acid Electrolyte
B.2 Analysis for Free Sulfuric Acid
B.2.1 Reagents
B.2.2 Procedure
B.2.3 Calculation
B.3 Analysis for Aluminium
B.3.1 Reagents
B.3.2 Procedure
B.3.3 Calculation
B.4 Analysis for Chloride
B.4.1 Reagents
B.4.2 Procedure
B.4.3 Calculation
Annex C - Stripping Solutions for the Removal of Anodic
Coatings
C.1 Preferred Solution
C.2 Alternative Solutions
Specifies the properties of sulphuric acid anodizing of aluminium and aluminium alloys.
| DevelopmentNote |
Supersedes DEFSTAN 03-25/4(2003). (04/2008) 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 |
18
|
| PublisherName |
UK Ministry of Defence Standards
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| DEFSTAN 21-5/4(2016) : 2016 | CODE OF PRACTICE FOR PROTECTIVE FINISHES |
| DEFSTAN 00-970(PT0)/9(2012) : 2012 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 00-970(PT0)/17(2016) : 2016 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 00-970(PT0)/14(2014) : 2014 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 03-2/6(2011) : 2011 | CLEANING AND PREPARATION OF METAL SURFACES |
| DEFSTAN 02-862(PT1)/3(2011) : 2011 | NAVAL FASTENERS - PART 1: MATERIAL SELECTION AND USE |
| DEFSTAN 00-970(PT0)/13(2014) : 2014 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 02-862(PT3)/3(2011) : 2011 | NAVAL FASTENERS - PART 3: PROCUREMENT OF FIRST LEVEL FASTENERS |
| DEFSTAN 00-970(PT0)/11(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 00-970(PT0)/15(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 00-970(PT0)/12(2014) : 2014 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 03-2/5(2009) : 2009 | CLEANING AND PREPARATION OF METAL SURFACES |
| DEFSTAN 02-862(PT2)/3(2011) : 2011 | NAVAL FASTENERS - PART 2: PROCUREMENT OF NON-FIRST LEVEL FASTENERS |
| DEFSTAN 03-38/2(2010) : 2010 | GUIDANCE TO THE USE OF ALTERNATIVES TO HEXAVALENT CHROMIUM FOR THE PROTECTIVE COATING OF DEFENCE EQUIPMENT |
| DEFSTAN 00-970(PT0)/8(2011) : 2011 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 00-970(PT0)/10(2013) : 2013 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 03-28(PT1)/4(2008) : 2008 | PHYSICAL VAPOUR DEPOSITION OF METALS - PART 1: PHYSICAL VAPOUR DEPOSITION OF ALUMINIUM FOR PROTECTION AGAINST CORROSION |
| DEFSTAN 00-970(PT0)/16(2015) : 2015 | DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS |
| DEFSTAN 21-5/3(2009) : 2009 | CODE OF PRACTICE FOR PROTECTIVE FINISHES |
| SAEITC TS120-6 | TS120 AGS2000 Series Stiffnuts (including Clinch Nuts) BA and BSF Threads for Aircraft |
| 13/30274750 DC : 0 | BS 2A 204 ETC+A3 - SPECIFICATIONS FOR MACHINE SCREWS AND NUTS (UNIFIED THREADS) BELOW 1/4 INCH FOR AERONAUTICAL PURPOSES |
| SAE AMS 03-2 : 2017 | CLEANING AND PREPARATION OF METAL SURFACES |
| STANAG 4626 : 2013 | MODULAR AND OPEN AVIONICS ARCHITECTURE |
| BS SP57&58(1955) : 1955 | SPECIFICATIONS FOR RIVET BURRS FOR AIRCRAFT |
| BS 3A125 TO 3A[...](1981) : 1981 | AEROSPACE SERIES - SPECIFICATION FOR STIFFNUTS (UNIFIED THREADS) FOR AIRCRAFT |
| SAE AMS 03-14 : 2018 | ELECTRODEPOSITION OF CHROMIUM FOR ENGINEERING PURPOSES |
| BS EN 12373-2:1999 | Aluminium and aluminium alloys. Anodizing Determination of mass per unit area (surface density) of anodic oxidation coatings. Gravimetric method |
| BS EN 12373-17:2001 | Aluminium and aluminium alloys. Anodizing Determination of electric breakdown potential |
| DEFSTAN 07-85(PT2)/3(2006) : 2006 | DESIGN REQUIREMENTS FOR WEAPONS AND ASSOCIATED SYSTEMS - PART 2: SUPPLEMENTARY AND DESIGN PROCESS REQUIREMENTS |
| BS EN ISO 3696:1995 | Water for analytical laboratory use. Specification and test methods |
| BS EN 12373-5:1999 | Aluminium and aluminium alloys. Anodizing Assessment of quality of sealed anodic oxidation coatings by measurement of admittance |
| BS 6161-18:1991 | Methods of test for anodic oxidation coatings on aluminium and its alloys Determination of surface abrasion resistance |
| BS EN 12373-10:1999 | Aluminium and aluminium alloys. Anodizing Measurement of mean specific abrasion resistance of anodic oxidation coatings using an abrasive jet test apparatus |
| DEFSTAN 03-24/5(2008) : 2008 | CHROMIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS |
| DEFSTAN 03-21/4(2008) : 2008 | MECHANICAL METHODS FOR THE INDUCEMENT OF RESIDUAL SURFACE COMPRESSIVE STRESSES |
| DEFSTAN 03-2/4(2005) : 2005 | CLEANING AND PREPARATION OF METAL SURFACES |
| BS EN ISO 2360:2017 | Non-conductive coatings on non-magnetic electrically conductive base metals. Measurement of coating thickness. Amplitude-sensitive eddy-current method |
| BS EN 12373-9:1999 | Aluminium and aluminium alloys. Anodizing Measurement of wear resistance and wear index of anodic oxidation coatings using an abrasive wheel wear test apparatus |
| BS EN ISO 9227:2017 | Corrosion tests in artificial atmospheres. Salt spray tests |
| BS EN 12373-8:1999 | Aluminium and aluminium alloys. Anodizing Determination of the comparative fastness to ultra-violet light and heat of coloured anodic oxidation coatings |
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