Cylindrical magnets and ideal solenoids

N Derby, S Olbert - American Journal of Physics, 2010 - pubs.aip.org
Both wire-wound solenoids and cylindrical magnets can be approximated as ideal
azimuthally symmetric solenoids. We present an exact solution for the magnetic field of an …

Non-destructive testing using eddy current sensors for defect detection in additively manufactured titanium and stainless-steel parts

H E. Farag, E Toyserkani, MB Khamesee - Sensors, 2022 - mdpi.com
In this study, different eddy-current based probe designs (absolute and commercial
reflection) are used to detect artificial defects with different sizes and at different depths in …

Electromagnetic braking: A simple quantitative model

Y Levin, FL da Silveira, FB Rizzato - ar** magnets down a non-magnetic
tube. Recent publications are reviewed and ideas for undergraduate laboratory …

[HTML][HTML] Eddy Current Sensor Probe Design for Subsurface Defect Detection in Additive Manufacturing

H E. Farag, MB Khamesee, E Toyserkani - Sensors, 2024 - mdpi.com
Pore and crack formation in parts produced by additive manufacturing (AM) processes, such
as laser powder bed fusion, is one of the issues associated with AM technology. Surface and …

Demonstration of Lenz's law: Analysis of a magnet falling through a conducting tube

MK Roy, MK Harbola, HC Verma - American Journal of Physics, 2007 - pubs.aip.org
We revisit a recent analysis of the time of fall of a magnet as it slows down while passing
through a conducting tube. We complement recent work by considering the effect of the …

Preparation and Performance Analysis of Mg0.75Co0.15Ni0.1Fe2O4 Nanoparticles-Based Flexible Metamaterial for Honey Adulteration Detection

MB Billa, T Alam, MT Islam - IEEE Sensors Journal, 2025 - ieeexplore.ieee.org
The widespread issue of honey adulteration poses significant health risks and economic
losses, necessitating more efficient and reliable detection methods. Traditional techniques …

Electromagnetic induction imaging with a SERF atomic magnetometer

F Fang, Z Wang - Optics & Laser Technology, 2025 - Elsevier
We construct an electromagnetic induction imaging (EMI) system based on a SERF (Spin-
Exchange-Relaxation-Free) atomic magnetometer. The homemade SERF magnetometer …