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ASTM International - ASTM G168-00(2006)

Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens

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Organization: ASTM International
Publication Date: 1 November 2006
Status: inactive
Page Count: 10
ICS Code (Corrosion of metals): 77.060
significance And Use:

Precracked specimens offer the opportunity to use the principles of linear elastic fracture mechanics (1)3 to evaluate resistance to stress corrosion cracking in the presence of a... View More

scope:

1.1 This practice covers procedures for fabricating, preparing, and using precracked double beam stress corrosion test specimens. This specimen configuration was formerly designated the double cantilever beam (DCB) specimen. Guidelines are given for methods of exposure and inspection.

1.2 The precracked double beam specimen, as described in this practice, is applicable for evaluation of a wide variety of metals exposed to corrosive environments. It is particularly suited to evaluation of products having a highly directional grain structure, such as rolled plate, forgings, and extrusions, when stressed in the short transverse direction.

1.3 The precracked double beam specimen may be stressed in constant displacement by bolt or wedge loading or in constant load by use of proof rings or dead weight loading. The precracked double beam specimen is amenable to exposure to aqueous or other liquid solutions by specimen immersion or by periodic dropwise addition of solution to the crack tip, or exposure to the atmosphere.

1.4 This practice is concerned only with precracked double beam specimen and not with the detailed environmental aspects of stress corrosion testing, which are covered in Practices G 35, G 36, G 37, G 41, G 44, and G 50.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

November 1, 2017
Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens
1.1 This practice covers procedures for fabricating, preparing, and using precracked double beam stress corrosion test specimens. This specimen configuration was formerly designated the double...
May 1, 2013
Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens
5.1 Precracked specimens offer the opportunity to use the principles of linear elastic fracture mechanics (1)4 to evaluate resistance to stress corrosion cracking in the presence of a pre-existing...
ASTM G168-00(2006)
November 1, 2006
Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens
Precracked specimens offer the opportunity to use the principles of linear elastic fracture mechanics (1)3 to evaluate resistance to stress corrosion cracking in the presence of a pre-existing crack....
May 10, 2000
Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens
1.1 This practice covers procedures for fabricating, preparing, and using precracked double beam stress corrosion test specimens. This specimen configuration was formerly designated the double...
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