STP665

    Stress Corrosion Cracking Susceptibility Index, ISCC, of Austenitic Stainless Steels in Constant Strain-Rate Test

    Published: Jan 1979


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    Abstract

    A new stress corrosion cracking (SCC) susceptibility index, ISCC, is proposed in constant strain rate SCC test both for transgranular (TG)SCC and for inter-granular (IG)SCC. ISCC is best defined by the equation Isec=Asec/Amech are the area of SCC fractured surface and that of mechanically fractured surface, respectively. It is found that there is a good correlation between ISCC in constant strain-rate test and the time to fracture in constant load test.

    Keywords:

    stress corrosion cracking, transgranular corrosion, intergranular corrosion, constant strain rate test, constant load test, susceptibility, time to fracture, susceptibility index, chlorides, high temperature water, austenitic stainless steels, sensitization


    Author Information:

    Abe, S
    Senior research metallurgist, assistant research chemist, and head, Corrosion and Heat Resistant Steels Laboratory, Fundamental Research Laboratories, Nippon Steel Corporation, Kawasaki,

    Kojima, M
    Senior research metallurgist, assistant research chemist, and head, Corrosion and Heat Resistant Steels Laboratory, Fundamental Research Laboratories, Nippon Steel Corporation, Kawasaki,

    Hosoi, Y
    Senior research metallurgist, assistant research chemist, and head, Corrosion and Heat Resistant Steels Laboratory, Fundamental Research Laboratories, Nippon Steel Corporation, Kawasaki,


    Paper ID: STP38122S

    Committee/Subcommittee: G01.06

    DOI: 10.1520/STP38122S


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