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  1. No Access

    Article

    Depth Evaluation of Curvilinear Cracks in Metal Using Multi-speed Laser Lock-in Thermography Method

    An original method using lock-in thermography with a laser excitation is proposed for the contactless estimation of open crack depths in metal with curvilinear shape. A continuous laser source regularly scans ...

    C. Boué, S. Holé in Journal of Nondestructive Evaluation (2022)

  2. No Access

    Article

    Excitation Mode Influence on Vibrating Wire Sensor Response

    Vibrating wire sensors are widely used to monitor the deformation of large civil structures, such as dams, bridges and nuclear power plants. The operating principle is based on a stainless steel wire excited m...

    B. Mei, J. Lucas, S. Holé, I. Lamarque, N. Chéron in Experimental Mechanics (2016)