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NASA MSFC STD 3029 : 2000

Current
Current

The latest, up-to-date edition.

GUIDELINES FOR THE SELECTION OF METALLIC MATERIALS FOR STRESS CORROSION CRACKING RESISTANCE IN SODIUM CHLORIDE ENVIRONMENTS
Published date

01-01-2000

DOCUMENT HISTORY LOG
FOREWORD
1. SCOPE
   1.1 PURPOSE
   1.2 APPLICABILITY
2. APPLICABLE DOCUMENTS
   2.1 GOVERNMENT DOCUMENTS
   2.2 AMERICAN SOCIETY FOR TESTING AND MATERIALS
       (ASTM) DOCUMENTS
   2.3 ORDER OF PRECEDENCE
3. DEFINITION
   3.1 STRESS CORROSION
4. GENERAL REQUIREMENTS
   4.1 LIMITATIONS
       4.1.1 Temperature and Environment Limitations
       4.1.2 Weldments
       4.1.3 Specific Test Data
       4.1.4 Data Limitations
   4.2 GRAIN ORIENTATION
       4.2.1 Processing Operations
       4.2.2 Short Transverse Direction
   4.3 STRESS CONSIDERATIONS
       4.3.1 Examples of Assembly Stresses
       4.3.2 Examples of Residual Stress
   4.4 SUSCEPTIBILITY OF ENGINEERING ALLOYS
       4.4.1 Aluminum Alloys
       4.4.2 Ferrous Alloys
       4.4.3 Nickel Alloys
       4.4.4 Copper Alloys
       4.4.5 Titanium Alloys
5. DETAILED REQUIREMENTS
   5.1 TESTING OF METALLIC MATERIALS FOR STRESS
       CORROSION SUSCEPTIBILITY
       5.1.1 Test Specimens
       5.1.2 Chemical Composition of the Test Materials
       5.1.3 Hardness Tests
       5.1.4 Mechanical Properties of the Test Materials
       5.1.5 Stressing and Exposure of Specimens to the
              Test Environment(s):
       5.1.6 Determination of Reduction in Load Carrying Ability
       5.1.7 Test Environments per ASTM G44
       5.1.8 Test Duration
       5.1.9 Verification of Stress Corrosion Failures
       5.1.10 Reporting of Results
   5.2 RATING OF ALLOYS FOR STRESS CORROSION SUSCEPTIBILITY
       5.2.1 Stress Corrosion Ratings Based on Alternate
              Immersion or Salt Spray Tests
       5.2.2 Stress Corrosion Ratings Based on Less Conventional
              Tests
       5.2.3 Stress Corrosion Ratings Based on Service
              Experience
       5.2.4 Criteria For Accepting Stress Corrosion Ratings
              Based On Data Obtained From Other Laboratories
   5.3 USE OF STRESS CORROSION RATINGS IN DESIGN TO
       PREVENT FAILURES
       5.3.1 Materials Selection Criteria
       5.3.2 Request For Materials Approval Prior to Use,
              Assembly, or Integration
   5.4 ASSESSMENT OF THE POTENTIAL FOR A STRESS CORROSION
       FAILURE
   5.5 THE MATERIALS USAGE AGREEMENT (MUA)
   5.6 UNLISTED MATERIALS
   5.7 PROTECTIVE COATINGS
   5.8 SURFACE TREATMENTS
6. NOTES
   6.1 INTENDED USE
   6.2 CAUTION AGAINST MISAPPLICATION OF THIS DOCUMENT
   6.3 KEYWORDS
LIST OF APPENDICES
APPENDIX A - Stress Corrosion References
APPENDIX B - Concluding Material

Defines the design criteria that shall be used for the selection of metallic materials in order to prevent failure due to stress corrosion cracking.

DocumentType
Standard
PublisherName
National Aeronautics and Space Administration
Status
Current

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