METHOD FOR DETECTING MECHANICAL STRESS SUBJECTED BY A PIECE OF FERROMAGNETIC MATERIAL

摘要

The invention relates to a method for detecting the stress experienced by a part made of a ferromagnetic material, comprising the following steps: (a) applying a variable stress to the part (32); (b) performing a measurement of the magnetic field (B) in the vicinity of the workpiece (32); and (c) comparing (34) the measurement with a reference measurement.