Coil Magnetization
Components in which length predominates, can be readily magnetized in the longitudinal direction by an encircling coil. For this technique, the magnetic field is produced in the part by wrapping cable around it or placing it within a multi turn fixed coil. Passing current through a coil encircling a section of the test part or encircling the part produces a magnetic field parallel to the axis of the coil. Strongest indications are produced when the length of the ...
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