For the ecological and fracture proof design of large container ships, high-strength and high-toughness YP47 steel plates were developed. The plates were manufactured by the use of thermomechanical control process with heat-affected zone toughness improvement technologies. The deep notch test and the duplex ESSO test were conducted, and YP47 demonstrated the good characteristics of brittle crack initiation in welded joints and arrest in base metal plates. This contributes to double integrity for the practical use of container ships by preventing both brittle crack initiation and long propagation.


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    Title :

    Development of YP47 Steel Plates and Their Crack Arrest Characteristics for Large Container Ships


    Additional title:

    Entwicklung von Grobblech der Güte YP47 für große Containerschiffe und seine Rissstillstands-Eigenschaften


    Contributors:


    Publication date :

    2011


    Size :

    8 Seiten, 11 Bilder, 4 Tabellen, 18 Quellen


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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