Design of a new type of omnidirectional shear-horizontal EMAT by the use of half-ring magnets and PCB technology.
Sign Up to like & getrecommendations! Published in 2021 at "Ultrasonics"
DOI: 10.1016/j.ultras.2021.106465
Abstract: In this paper, an electromagnetic acoustic transducer (EMAT) for generating and receiving omnidirectional shear-horizontal (OSH) wave in aluminum plate is developed. The proposed OSH-EMAT consists of a specially designed printed circuit board (PCB) coil and… read more here.
Keywords: emat; ring magnets; omnidirectional shear; half ring ... See more keywords
Microcrack Defect Quantification Using a Focusing High-Order SH Guided Wave EMAT: The Physics-Informed Deep Neural Network GuwNet
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2021.3105537
Abstract: It is challenging to apply deep learning in professional fields that lack big data support, especially in industrial structure health assessments using ultrasonic guided wave nondestructive testing (NDT) method. To solve this problem, one feasible… read more here.
Keywords: deep neural; guided wave; physics; network ... See more keywords
Effect of Coil Configuration on Conversion Efficiency of EMAT on 7050 Aluminum Alloy
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DOI: 10.3390/en10101496
Abstract: Compared to traditional ultrasonic detection methods, the electromagnetic acoustic transducer (EMAT) technique can be applied in many hostile environments such as elevated temperatures, on-line inspections, etc. However, the EMAT technique has a low conversion efficiency.… read more here.
Keywords: conversion efficiency; coil wires; emat; coil ... See more keywords