Non Destructive Testing
History of Eddy Current Testing
Eddy current testing has its origins with Michael Faraday’s discovery of electromagnetic induction in 1831. Faraday was a…
August 2, 2021 · JacobAuthor: Jacob
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Non Destructive Testing
Eddy Current Testing (ET) Overview
Eddy current testing a modern Non-destructive testing – NDT method that has become one of the prime tool…
August 2, 2021 · JacobNon Destructive Testing
AE Applications
Acoustic emission is a very versatile, non-invasive way to gather information about a material or structure. Acoustic Emission testing…
August 2, 2021 · JacobNon Destructive Testing
AE Barkhausen Techniques
Barkhausen Effect The Barkhausen effect refers to the sudden change in size of ferromagnetic domains that occur during magnetization or demagnetization.…
August 2, 2021 · JacobNon Destructive Testing
AE Source Location Techniques
Multi-Channel Source Location Techniques: Locating the source of significant acoustic emissions is often the main goal of an…
August 2, 2021 · JacobUncategorized
Data Display
Software-based AE systems are able to generate graphical displays for analysis of the signals recorded during AE inspection.…
August 2, 2021 · JacobNon Destructive Testing
AE Signal Features
With the equipment configured and setup complete, AE testing may begin. The sensor is coupled to the test…
August 2, 2021 · JacobNon Destructive Testing
Equipment
Acoustic emission testing can be performed in the field with portable instruments or in a stationary laboratory…
August 2, 2021 · JacobNon Destructive Testing
Theory – Acoustic Waves
Wave Propagation A primitive wave released at the AE source is illustrated in the figure right. The displacement…
August 2, 2021 · JacobNon Destructive Testing
Theory – AE Sources
As mentioned in the Introduction, acoustic emissions can result from the initiation and growth of cracks, slip and…
August 2, 2021 · Jacob