Feature: T&M


Eddy current testing market is set to expand by 2032


By Future Market Insights analyst team T


he eddy current testing market is set to expand to $2.6bn by 2032 on the back of growing worldwide demand for fluctuating magnetic


fields, according to industry analysis firm Future Market Insights. Eddy currents, also called Foucault’s currents, are current loops induced


32 June 2023 www.electronicsworld.co.uk


by a changing magnetic field within a conductor, also created by moving the conductor in a magnetic field. Eddy current flow is in planes perpendicular to the magnetic field. An alternating current passing


through a wire coil creates an oscillating magnetic field in an eddy current sensor, so for eddy current testing, a specially-created coil is brought close


to the testing area. This creates a fluctuating magnetic field that interacts with a particular sample, producing eddy current measurements.


Electromagnetic measurements and applications Eddy current testing has its basis in the physics phenomenon known as electromagnetism. When a magnet and


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