A strain-based design (SBD) has been widely discussed in recent years. Line pipes for the design applications are required to have high deformability as well as toughness and weldability. The authors studied how to simultaneously improve toughness and deformability in high-strength steel line pipes through laboratory work. A dual-phase (bainite/ferrite) microstructure was effective, and the optimized volume fraction and grain size of polygonal ferrite were confirmed. In addition, the authors revealed that the accelerated cooling condition in hot rolling absolutely correlated with thermal aging during anti-coating treatment. Based on the experimental results, the authors experimentally manufactured X80 UOE pipes for SBD.


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    Titel :

    Development of high-strength steel line pipe for SBD applications


    Weitere Titelangaben:

    Entwicklung eines hochfesten Stahlrohres für die SBD-Anwendung (dehnungsbasierter Entwurf)


    Beteiligte:
    Shinohara, Yasuhiro (Autor:in) / Tsuru, Eiji (Autor:in) / Asahi, Hitoshi (Autor:in) / Hara, Takuya (Autor:in) / Terada, Yoshio (Autor:in) / Doi, Naoki (Autor:in) / Ayukawa, Naoshi (Autor:in) / Murata, Masahiko (Autor:in)


    Erscheinungsdatum :

    2008


    Format / Umfang :

    6 Seiten, 6 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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