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    Wide-Plate Testing of Weldments: Part III—Heat-Affected Zone Wide-Plate Studies

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    This paper, Part III in this series on wide-plate testing of weldments, reviews the latest developments in wide-plate test procedures used for evaluation of the heat-affected zone (HAZ) toughness in steel weldments. In particular, emphasis is placed on the transversely loaded wide-plate test specimen in which the orientation of both the crack and the weld is transverse to the loading direction. This wide-plate test configuration is often conducted to evaluate the structural significance of low HAZ CTOD values. To this end, fatigue-precracked surface-notched wide-plate specimen tests are employed to assess this specific local brittle zone (LBZ) problem. The need for sectioning the wide-plate specimen after testing to identify whether the intended microstructures have been sampled is discussed, and examples are given to illustrate the type of information which is currently produced.


    weldments, wide-plate testing, heat-affected zone (HAZ), crack-tip opening displacement (CTOD), brittle fracture, cracks, toughness requirements, high-strength steels, local brittle zones, coarse-grain microstructure

    Author Information:

    Denys, RM
    Professor and manager, Laboratorium Soete Rijksuniversiteit Gent, Gent,

    Committee/Subcommittee: E08.93

    DOI: 10.1520/STP24098S