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Impact of Magnetostriction Mechanism on Frequency Manipulation Ultrasonic Steering in EMAT
  • Yong Li
Yong Li
Fujian Police College

Corresponding Author:yl112@fjpsc.edu.cn

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Abstract

This work is mainly to describe the phenomenon at low frequency in my previous publication. In this paper, the impact of the magnetostriction mechanism is taken into consideration for the main idea. The axisymmetric FEM model of the spiral-coil EMAT is established to implement the simulation. With the help of the simulation, it is demonstrated that the directivity of ultrasonic wave can be manipulated by frequency. And it is found that the direction of Lorentz force that dominates in the rail varies with time, but the magnetostrictive force compels the ultrasonic wave mainly generated by the Lorentz force to the axis. This describes well that the power of two combined mechanisms is greater than that of only the Lorentz-force mechanism at low frequency.
24 May 2023Submitted to Electronics Letters
25 May 2023Submission Checks Completed
25 May 2023Assigned to Editor
13 Jul 2023Reviewer(s) Assigned
30 Sep 2023Review(s) Completed, Editorial Evaluation Pending
02 Oct 2023Editorial Decision: Revise Minor
04 Oct 20231st Revision Received
09 Oct 2023Review(s) Completed, Editorial Evaluation Pending
09 Oct 2023Submission Checks Completed
09 Oct 2023Assigned to Editor
09 Oct 2023Editorial Decision: Accept