Posted inFeatured
Posted inNon Destructive Testing
Basic Principles of Eddy Current Inspection
Eddy current inspection is one of several NDT methods that use the principal of “electromagnetism”…
Posted inNon Destructive Testing
History of Eddy Current Testing
Eddy current testing has its origins with Michael Faraday's discovery of electromagnetic induction in 1831.…
Posted inNon Destructive Testing
Eddy Current Testing (ET) Overview
Eddy current testing a modern Non-destructive testing – NDT method that has become one of…
Posted inNon Destructive Testing
AE Applications
Acoustic emission is a very versatile, non-invasive way to gather information about a material or…
Posted inNon Destructive Testing
AE Barkhausen Techniques
Barkhausen Effect The Barkhausen effect refers to the sudden change in size of ferromagnetic domains that occur during…
Posted inNon Destructive Testing
AE Source Location Techniques
Multi-Channel Source Location Techniques: Locating the source of significant acoustic emissions is often the main…
Posted inUncategorized
Data Display
Software-based AE systems are able to generate graphical displays for analysis of the signals recorded…
Posted inNon Destructive Testing
AE Signal Features
With the equipment configured and setup complete, AE testing may begin. The sensor is coupled…
Posted inNon Destructive Testing
Equipment
Acoustic emission testing can be performed in the field with portable instruments or in…
Posted inNon Destructive Testing
Theory – Acoustic Waves
Wave Propagation A primitive wave released at the AE source is illustrated in the figure…