Method used for a variety of purposes, including for flaw detection, material and coating thickness measurements, material identification and establishing the heat treatment condition of certain materials.
It is an incredibly sensitive testing method, and can identify even very small flaws or cracks in a surface or just beneath it. On surfaces, ECT can be done with both ferromagnetic and non-ferromagnetic materials.
Widely used for:
Heat exchanger tube inspection
Aircraft component
Plate inspection
Material sorting
Etc.