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    Volume 46, Issue 1 (December 2017)

    Application of Nonlinear Ultrasonic Technique to Characterize the Damage Evolution in Structural Steel after Tensile Deformation

    (Received 3 October 2016; accepted 21 March 2017)

    Published Online: 05 December 2017

    CODEN: JTEVAB

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    Abstract

    A nonlinear ultrasonic technique has been used to characterize damage evolution in structural steel subjected to tensile loading. The results show that the nonlinear parameter β′ increases monotonously with increasing tensile strain within its tensile strength. Compared with the original specimen, the nonlinear parameter rose by nearly 3.37 times when stretched to its tensile strength. This result indicates that the nonlinear ultrasonic technique is able to characterize the material damage at the early stages, which can become an effective means for improving the integrity and safety of the structural component.

    Author Information:

    Wang, Xiao
    School of Power and Mechanical Engineering, Wuhan University, Wuhan

    Wang, Xue
    School of Power and Mechanical Engineering, Wuhan University, Wuhan

    State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin

    Hu, Lei
    School of Power and Mechanical Engineering, Wuhan University, Wuhan

    Du, Cheng-chao
    School of Power and Mechanical Engineering, Wuhan University, Wuhan

    Li, Yong
    School of Power and Mechanical Engineering, Wuhan University, Wuhan

    Stock #: JTE20160502

    ISSN:0090-3973

    DOI: 10.1520/JTE20160502

    Author
    Title Application of Nonlinear Ultrasonic Technique to Characterize the Damage Evolution in Structural Steel after Tensile Deformation
    Symposium ,
    Committee C13