Abstract
Abstract Train wheels are important moving parts of railway locomotives, with the development of China’s railways, the reliability of its quality is of great significance to ensure the safe operation of trains and reduce the danger of train driving. However, the traditional electromagnetic ultrasonic transduction efficiency is low, and the detection is difficult. Based on the principle of electromagnetic ultrasonic phased array detection, this paper uses the finite element method to establish a two-dimensional simulation model of Comsol Multiphysics 16-channel electromagnetic ultrasonic phased array, and adopts the detection method based on B-scan imaging to process the electromagnetic ultrasonic phased array echo signal and identify the internal defects of train wheels.
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