A testing method for machined workpieces

Details A testing method for machined workpieces A testing method for machined workpieces

G - Physics

01

N

G01N 27/90 (2006.01)

Patent

CA 2310467

The invention refers to a method for determination of the presence, if any, of detrimental surface changes, such as increased hardness or residual stress in machined workpieces. For achieving a very reliable test result, the invention suggests that the determination is made with the aid of an eddy current probe of absolute-type.

L'invention concerne un procédé permettant de déterminer, à la surface de pièces usinées, la présence éventuelle de changements dommageables, tels qu'une dureté accrue ou une contrainte résiduelle. Selon l'invention, pour obtenir des résultats d'essais très fiables, cette détermination doit s'effectuer à l'aide d'une sonde à courant de Foucault de type absolu.

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