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    Standardization of Rising Load/Rising Displacement SCC Testing

    Published: Jan 2000

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    Two new draft standards for fracture mechanics based stress corrosion cracking (SCC) tests have recently been issued by ASTM and ISO committees. Both concern the determination of the threshold stress intensity factor, KISCC, and the crack growth velocity, da/dt = f(KI) from rising load or rising displacement tests. One of these drafts, prepared by ASTM Committee G-l on Corrosion of Metals, is an extension of an existing ASTM standard on slow strain rate testing. The second one was elaborated by ISO TC 156 and is based on a procedure proposed by the European Structural Integrity Society, ESIS. This procedure has been validated in an interlaboratory test program. Results of this research project and issues of both drafts are discussed in the paper.


    fracture mechanics approach, linear elastic fracture mechanics (LEFM), rising load/rising displacement tests, standardization, slow strain rate tests, stress corrosion, cracking (SCC), threshold stress intensity factor, K, ISCC

    Author Information:

    Dietzel, W
    Research associate and head of Corrosion Department, Institute of Materials Research, GKSS-Forschungszentrum Geesthacht GmbH, Geesthacht,

    Committee/Subcommittee: G01.05

    DOI: 10.1520/STP10227S

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