Different cracking modes in a sour gas environment were observed. These modes were mainly related to the microstructure obtained during the manufacturing process of two API X52 microal loved steels. A banded ferrite/pearlite microstructure was found to be susceptible to hydrogen effects, whereas an acicular ferrite with a grain boundary bainite/bainite microstructure was found to be more susceptible to dissolution in crack-tip regions.


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    Title :

    Crack growth in microalloyed pipeline steels for sour gas transport


    Contributors:
    Serna, S. (author) / Campillo, B. (author) / Albarran, J.L. (author)


    Publication date :

    2005


    Size :

    5 Seiten, 17 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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