STP642

    Corrosion-Fatigue Behavior of Some Special Stainless Steels

    Published: Jan 1978


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    Abstract

    We have studied the corrosion-fatigue crack initiation and propagation of different types of steels: two austenitic, one austenitic-ferritic, and one ferritic. The testing program had been established in order to define, particularly, the part in corrosion fatigue of electrochemical effects and mechanical damage. Tests were carried out on smooth specimens in rotating bending and on precracked specimens in tension in air, and in a 3 percent aerated solution of sodium chloride.

    The capacity of the metal for dissolution and repassivation seems largely responsible for the behavior of the metal in the corrosive solution. This capacity varies notably with the composition of the metal, the loading conditions of the specimens, and the characteristics of the corrosive medium.

    Keywords:

    corrosion fatigue, passive film, electrochemical corrosion, metallographic structures, mechanical properties, rotating-bending tests, crack propagation


    Author Information:

    Amzallag, C
    Engineer, Department of Mechanics, engineer, Department of Mechanics, and engineer, Department of Corrosion, Creusot-Loire, Centre de Recherches, Firminy,

    Rabbe, P
    Engineer, Department of Mechanics, engineer, Department of Mechanics, and engineer, Department of Corrosion, Creusot-Loire, Centre de Recherches, Firminy,

    Desestret, A
    Engineer, Department of Mechanics, engineer, Department of Mechanics, and engineer, Department of Corrosion, Creusot-Loire, Centre de Recherches, Firminy,


    Paper ID: STP28717S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP28717S


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