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DEFSTAN 03-21/4(2008) : 2008

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

MECHANICAL METHODS FOR THE INDUCEMENT OF RESIDUAL SURFACE COMPRESSIVE STRESSES
Available format(s)

Hardcopy , PDF

Superseded date

09-02-2011

Language(s)

English

Published date

01-01-2008

Foreword
0 Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
   4.2 Almen test strips
   4.3 Coverage
   4.4 Deformed shot
   4.5 Intensity
   4.6 Masked areas
   4.7 Material factor
   4.8 Optional areas
   4.9 Peening angle
   4.10 Peening constant
   4.11 Process control schedule
   4.12 Saturation
   4.13 Shot
   4.14 Significant areas
5 Information to be Supplied to the Processor
6 Process Control Schedule
7 Process Requirements - Limitations on Use
8 Process Requirements - Preparation Prior to Treatment
9 Process Requirements - Treatment Techniques
10 Process Requirements - Quality Control
11 Process Requirements - Post Treatment Operations
12 Process Requirements - Records
13 Treatment Techniques - Mechanised Shot Peening
   13.1 Process
   13.2 Equipment
   13.3 Type of shot
   13.4 Size of shot
   13.5 Ancillary equipment
   13.6 Process control schedule
   13.7 Peening intensity
   13.8 Shot condition
14 Manual Shot Peening
   14.1 Process
   14.2 Operator control
15 Needle Peening
   15.1 Process
   15.2 Process control schedule
   15.3 Peening Intensity
   15.4 Needle profile
16 Flail Peening
   16.1 Process
   16.2 Process Control Schedule
   16.3 Peening intensity
   16.4 Brushes
17 Hammer Peening
   17.1 Process
   17.2 Process control schedule
   17.3 Hammer profile
18 Roller Burnishing
   18.1 Process
   18.2 Process control schedule
Annex A - Determination of the Intensity of Shot Peening
   A.1 Methodology
   A.2 Peening Intensities
Annex B - Saturation
   B.1 Introduction
   B.2 Determination of Saturation
        B.2.1 General
        B.2.2 Procedure
   B.3 Application of Saturation Data to Peening Components
        B.3.1 Introduction
        B.3.2 Method (i) - peening constant method - standard
              test strip
        B.3.3 Method (ii) - peening constant method - comparable
              material test strips
        B.3.4 Method (iii) - visual coverage - standard test
              strip
Annex C - Test for Freedom from Iron Residue
   C.1 Outline
   C.2 Materials and Apparatus
   C.3 Procedure
   C.4 Verification

Describes requirements to be observed when the controlled working of metal surfaces is carried out in order to induce surface compressive stresses.

DevelopmentNote
Supersedes DEFSTAN 03-21/3(2002). (02/2008)
DocumentType
Standard
Pages
38
PublisherName
UK Ministry of Defence Standards
Status
Superseded
SupersededBy
Supersedes

DEFSTAN 03-29/4(2008) : 2008 PROTECTION OF METALLIC SPRINGS AGAINST CORROSION
DEFSTAN 03-28(PT3)/4(2008) : 2008 PHYSICAL VAPOUR DEPOSITION OF METALS - PART 3: PHYSICAL VAPOUR DEPOSITION OF TITANIUM NITRIDE FOR SURFACE PROTECTION
DEFSTAN 81-41(PT5)/6(2008) : 2008 PACKAGING OF DEFENCE MATERIEL - PART 5: PACKAGING PROCESSES
DEFSTAN 03-28(PT2)/4(2008) : 2008 PHYSICAL VAPOUR DEPOSITION OF METALS - PART 2: PHYSICAL VAPOUR DEPOSITION OF CADMIUM FOR PROTECTION AGAINST CORROSION
DEFSTAN 03-25/5(2008) : 2008 SULFURIC ACID ANODIZING OF ALUMINIUM AND ALUMINIUM ALLOYS
DEFSTAN 03-38/2(2010) : 2010 GUIDANCE TO THE USE OF ALTERNATIVES TO HEXAVALENT CHROMIUM FOR THE PROTECTIVE COATING OF DEFENCE EQUIPMENT
DEFSTAN 03-4/6(2011) : 2011 THE PRE-TREATMENT AND PROTECTION OF STEEL ITEMS OF SPECIFIED MAXIMUM TENSILE STRENGTH EXCEEDING 1450 MPA
DEFSTAN 03-28(PT1)/4(2008) : 2008 PHYSICAL VAPOUR DEPOSITION OF METALS - PART 1: PHYSICAL VAPOUR DEPOSITION OF ALUMINIUM FOR PROTECTION AGAINST CORROSION
DEFSTAN 03-39/1(2008) : 2008 ELECTRODEPOSITION OF ZINC-COBALT ALLOYS
DEFSTAN 03-19/4(2010) : 2010 ELECTRO-DEPOSITION OF CADMIUM
DEFSTAN 03-40/1(2008) : 2008 ELECTRODEPOSITION OF ZINC-NICKEL ALLOYS

ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
BS 410-1:2000 Test sieves. Technical requirements and testing Test sieves of metal wire cloth
DEFSTAN 03-2/4(2005) : 2005 CLEANING AND PREPARATION OF METAL SURFACES

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