ASTM G168-17
Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens

Standard No.

ASTM G168-17

Release Date

2017

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM G168-17

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 G35, G36, G37, G41, G44, and G50. 1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM G168-17 Referenced Document

• ASTM D1193 Standard Specification for Reagent Water
• ASTM E1823 Standard Terminology Relating to Fatigue and Fracture Testing
• ASTM E399 Standard Test Method for Plane-Strain Fracture Toughness of Metallic Materials
• ASTM E8/E8M Standard Test Methods for Tension Testing of Metallic Materials*， 2024-01-01 Update
• ASTM G15 Standard Terminology Relating to Corrosion and Corrosion Testing
• ASTM G35 Standard Practice for Determining the Susceptibility of Stainless Steels and Related Nickel-Chromium-Iron Alloys to Stress-Corrosion Cracking in Polythionic Acids
• ASTM G36 Standard Practice for Evaluating Stress-Corrosion-Cracking Resistance of Metals and Alloys in a Boiling Magnesium Chloride Solution*， 2018-10-01 Update
• ASTM G37 Standard Practice for Use of Mattsson's Solution of pH 7.2 to Evaluate the Stress-Corrosion Cracking Susceptibility of Copper-Zinc Alloys*， 2021-05-01 Update
• ASTM G41 Standard Practice for Determining Cracking Susceptibility of Metals Exposed Under Stress to a Hot Salt Environment*， 2018-10-01 Update
• ASTM G44 Standard Practice for Exposure of Metals and Alloys by Alternate Immersion in Neutral 3.5?% Sodium Chloride Solution
• ASTM G49 Standard Practice for Preparation and Use of Direct Tension Stress-Corrosion Test Specimens*， 2023-11-01 Update
• ASTM G50 Standard Practice for Conducting Atmospheric Corrosion Tests on Metals

ASTM G168-17 history

• 2017 ASTM G168-17 Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens
• 2000 ASTM G168-00(2013) Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens
• 2000 ASTM G168-00(2006) Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens
• 2000 ASTM G168-00 Standard Practice for Making and Using Precracked Double Beam Stress Corrosion Specimens