Alternating Current Field Measurement

Alternating Current Field Measurement (ACFM) is an electromagnetic technique for non-destructive testing detection and sizing of surface breaking cracks. It was derived from the methods used in eddy-current testing and works on all metals, ferrous or non-ferrous. Since it doesn't require direct electrical contact with the surface it can work through coatings such as paint or rust.

Read more about Alternating Current Field Measurement:  Use, Method, Capabilities, Limitations, Preparation

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