Challenges in improving the performance of eddy current testing

AN AbdAlla, MA Faraj, F Samsuri… - Measurement and …, 2019 - journals.sagepub.com
Eddy current testing plays an important role in numerous industries, particularly in material
coating, nuclear and oil and gas. However, the eddy current testing technique still needs to …

A review on phenomenological model subtleties for defect assessment in friction stir welding

D Das, S Bag, S Pal, A De - Journal of Manufacturing Processes, 2024 - Elsevier
Friction stir welding (FSW) is in existence for well over three decades. Started primarily with
the joining of aluminium alloys, FSW is gradually engaged for other alloys and also …

Spintronic sensors

PP Freitas, R Ferreira, S Cardoso - Proceedings of the IEEE, 2016 - ieeexplore.ieee.org
This paper describes how magnetoresistive materials can be optimized and integrated in
magnetic field sensor devices. Giant magnetoresistive (GMR) and tunnel magnetoresistive …

Developments and applications of tunneling magnetoresistance sensors

S Yan, Z Zhou, Y Yang, Q Leng… - Tsinghua Science and …, 2021 - ieeexplore.ieee.org
Magnetic sensors based on tunneling magnetoresistance (TMR) effect exhibit high
sensitivity, small size, and low power consumption. They have gained a lot of attention and …

Shaping eddy currents for non-destructive testing using additive manufactured magnetic substrates

MA Machado, LS Rosado, TG Santos - Journal of Nondestructive …, 2022 - Springer
The orientation of the induced eddy currents is an important parameter for eddy currents
testing probes used in Non-destructive Testing (NDT). In general, the eddy currents …

Non-destructive ultrasonic examination of root defects in friction stir welded butt-joints

M Tabatabaeipour, J Hettler, S Delrue… - Ndt & E …, 2016 - Elsevier
As a solid-state welding process, Friction Stir Welding (FSW) offers a variety of advantages
over traditional welding processes. Problems that are typically occurring due to the cooling …

High-resolution nondestructive test probes based on magnetoresistive sensors

DM Caetano, T Rabuske, J Fernandes… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
This paper discloses two high-sensitivity probes for Eddy Current Nondestructive Test (NDT)
of buried and surface defects. These probes incorporate eight and 32 magnetoresistive …

Heterodyne eddy current testing using magnetoresistive sensors for additive manufacturing purposes

H Ehlers, M Pelkner, R Thewes - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
In recent years additive manufacturing technologies have become widely popular. For
complex functional components or low volume production of workpieces, laser powder bed …

Online process monitoring for additive manufacturing using eddy current testing with magnetoresistive sensor arrays

H Ehlers, M Pelkner, R Thewes - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
The rising popularity of additive manufacturing processes leads to an increased interest in
possibilities and methods for related process monitoring. Such methods ensure improved …

Electromagnetic and eddy current NDT in weld inspection: A review

P Gao, C Wang, Y Li, Z Cong - Insight-Non-Destructive Testing …, 2015 - ingentaconnect.com
Defects in welds always undermine the reliability of the overall structure, potentially causing
serious structural failures. Electromagnetic and eddy current testing (ECT) are widely used …