Stress corrosion cracking tests using double-cantilever-beam specimens

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Although a wide variety of degradation modes can occur in aqueous environments for corrosion-resistant metallic materials, localized corrosion such as pitting corrosion, crevice corrosion, SCC, and hydrogen embrinlement (HE) is considered to be the primary mode. The evaluation of the susceptibility of candidate corrosion-resistant container materials to pitting and crevice corrosion is well underway using electrochemical polarization techniques described in the Activity Plan E-20-43144. The proposed activity (E-20-56) is aimed at evaluating the SCC behavior of these materials in susceptible environments using the linearelastic-fracture-mechanics (LEFM) concept. The mechanical driving force for crack growth, or the stress distribution at the crack ... continued below

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774 Kilobytes

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Roy, A. October 25, 1996.

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Description

Although a wide variety of degradation modes can occur in aqueous environments for corrosion-resistant metallic materials, localized corrosion such as pitting corrosion, crevice corrosion, SCC, and hydrogen embrinlement (HE) is considered to be the primary mode. The evaluation of the susceptibility of candidate corrosion-resistant container materials to pitting and crevice corrosion is well underway using electrochemical polarization techniques described in the Activity Plan E-20-43144. The proposed activity (E-20-56) is aimed at evaluating the SCC behavior of these materials in susceptible environments using the linearelastic-fracture-mechanics (LEFM) concept. The mechanical driving force for crack growth, or the stress distribution at the crack tip is quantified by the stress intensity factor, K, for the specific crack and loading geometry. The critical stress intensity factor for SCC, K<sub>ISCC</sub> for candidate materials will be evaluated in environments of interest, and their comparisons will be made to select the waste package inner container material having an optimum SCC resistance.

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774 Kilobytes

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  • Other: DE00002489
  • Report No.: UCRL-ID-131585
  • Grant Number: W-7405-Eng-48
  • DOI: 10.2172/2489 | External Link
  • Office of Scientific & Technical Information Report Number: 2489
  • Archival Resource Key: ark:/67531/metadc667943

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • October 25, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • March 23, 2018, 3:56 p.m.

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Roy, A. Stress corrosion cracking tests using double-cantilever-beam specimens, report, October 25, 1996; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc667943/: accessed June 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.