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    STP1210

    Application of the Rising Displacement Test to SCC Investigations

    Published:


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    Abstract

    The stress corrosion cracking (SCC) behavior of two metallic materials in sodium chloride containing solutions has been investigated using precracked specimens and a rising displacement test procedure. The tests were evaluated according to linear elastic fracture mechanics, i.e., in terms of KIscc and da/dt versus K, and, in addition, by applying elastic-plastic fracture parameters such as the J-integral and the crack tip opening displacement (CTOD). From the results of these tests conclusions are drawn concerning an accelerated SCC test procedure that might be based on a combination of the rising displacement test on pre-cracked specimens and the conventional slow strain rate test using smooth specimens.

    Keywords:

    stress corrosion cracking (SCC), rising displacement test, accelerated SCC test procedure, linear elastic fracture mechanics (LEFM), elastic-plastic fracture mechanics, J, -integral, crack tip opening displacement (CTOD)


    Author Information:

    Dietzel, W
    Senior research engineer and head of Institute of Materials Research, GKSS-Forschungszentrum Geesthacht GmbH., Geesthacht,

    Schwalbe, K-H
    Senior research engineer and head of Institute of Materials Research, GKSS-Forschungszentrum Geesthacht GmbH., Geesthacht,


    Committee/Subcommittee: G01.05

    DOI: 10.1520/STP12759S