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  • 1.  tunneling corrosion

    Posted 05-08-2021 07:37
    I would like to share some images for MIC of St.St. 304 pipe.
    The SEM image shows some bacteria inside the corrosion pit, while the optical micrograph shows the tunneling corrosion paths. I am wondering if someone knows if there is any preferred path for this tunneling corrosion?

    tunneling parallel to the longitudinal axis of pipe

    Waleed Khalifa
    Principal and CEO
    Arabic Consultancy Center for Engineering Materials, Inspection and Welding
    Maadi, Cairo, Egypt
    FAS - education