The report presents an evaluation of the potential problems associated with crack initiation and subcritical crack growth in high strength, low alloy steels used in welded ship structure. An interpretive review of the state-of-the-art is given, emphasizing design tools that are available and their potential for use in fail safe or safe crack growth ship design philosophy. A crack initiation and crack growth Criterion is presented, which permits welded ship structure to be designed with confidence that serious failures can be avoided, while at the same time full use of the attractive static properties of HSLA steels can be exploited. The report also includes a list of problem areas in need of further clarification in order to enhance confidence in the proposed Criterion.


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    Title :

    A Study of Subcritical Crack Growth in Ship Steels


    Contributors:
    P. H. Francis (author) / J. Lankford (author) / F. F. Lyle (author)

    Publication date :

    1974


    Size :

    176 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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