STP642

    Corrosion Fatigue of 5456-H117 Aluminum Alloy in Saltwater

    Published: Jan 1978


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    Abstract

    Fatigue behavior of 5456-H117 aluminum alloy has been studied by fracture mechanics and conventional test methods in air and saltwater environments. The results show that fatigue resistance of the alloy is reduced greatly by the presence of saltwater at low stress or stress intensity levels. Test data of smooth and precracked specimens are combined and discussed with regard to failure predictions.

    Keywords:

    corrosion fatigue, crack propagation, fractures (materials), failure, fatigue tests, stress ratio, S-N, diagrams, Goodman diagram, aluminum alloys


    Author Information:

    Chu, HP
    Metallurgist and mechanical engineer, David W. Taylor Naval Ship Research and Development Center, Annapolis, Md

    Macco, JG
    Metallurgist and mechanical engineer, David W. Taylor Naval Ship Research and Development Center, Annapolis, Md


    Paper ID: STP28723S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP28723S


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