STP665

    Anodic Dissolution and Crack Growth Rate in Constant Strain-Rate Tests at Controlled Potentials

    Published: Jan 1979


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    Abstract

    A theoretical analysis is presented of the constant strain-rate test. The rate of reduction of the cross-sectional area caused by straining is compared with the loss of cross section due to metal dissolution or crack growth, or both. The relationship between the environmental deterioration rate and the strain at which a maximum load is obtained in a constant strain rate test is developed as a function of strain rate. Experimental results of constant strain-rate tests of Type 304 stainless steel conducted in a 10 N sulfuric acid (H2SO4) + 0.1 M sodium chloride (NaCl) solution at various rates are discussed. Measured and calculated crack growth rates show good agreement.

    Keywords:

    stress corrosion cracking, constant strain rate tests, Type 304 stainless steel, sensitization, anodic dissolution, polarization curves, sulfuric acid, experimental data, theoretical analysis


    Author Information:

    Hishida, M
    Metallurgist, Toshiba Research and Development Center, Kawasaki,

    Begley, JA
    Associate professor and professor, The Ohio State University, Columbus, Ohio

    McCright, RD
    Metallurgist, Lawrence-Livermore Laboratory, University of California, Livermore, Calif.

    Staehle, RW
    Associate professor and professor, The Ohio State University, Columbus, Ohio


    Paper ID: STP38108S

    Committee/Subcommittee: G01.11

    DOI: 10.1520/STP38108S


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