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    Volume 14, Issue 4 (July 1986)

    An Evaluation of Dynamic Fracture Toughness of Type A508 Class 3 Steel

    Published Online: 01 July 1986

    CODEN: JTEVAB

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    Abstract

    Using dynamic loading at a K rate range of 102 to 105 MPa√m/s, fracture toughness tests were made on Type A508 Class 3 steel. Fatigue precracked 2T-type compact tension specimens were used. Tests were performed in accordance with Annex 7 of ASTM Test for Plane-Strain Fracture Toughness of Metallic Materials (E 399) using a high flow and high response tensile machine. In this investigation, load, strain, and displacement outputs were obtained with quite small oscillations. The results showed that dynamic fracture toughness values decreased with increasing test velocity and decreasing test temperature.


    Author Information:

    Fujii, E
    Chief of Welding Mechanics Section, Ship Research Institute, Ministry of Transport, Mitaka, Tokyo,

    Sakai, Y
    Research Scientist, Yokohama National University, Yokohama,

    Ando, Y
    Emeritus Professor of University of Tokyo, Japan Engineering and Inspection Corporation, Tokyo,


    Stock #: JTE11260J

    ISSN:0090-3973

    DOI: 10.1520/JTE11260J

    Author
    Title An Evaluation of Dynamic Fracture Toughness of Type A508 Class 3 Steel
    Symposium ,
    Committee E08