Posted inNon Destructive Testing
Induction and Inductance
Induction In 1824, Oersted discovered that current passing though a coil created a magnetic field capable of shifting a…
Posted inNon Destructive Testing
Current Flow and Ohm’s Law
Ohm's law is the most important, basic law of electricity. It defines the relationship between…
Posted inNon Destructive Testing
Properties of Electricity
Since eddy current inspection makes use of electromagnetic induction, it is important to know about…
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…