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1996
Journal Article
Titel
Zerstörungsfreie Prüfung von Nitrierschichten
Alternative
Nondestructive testing of nitriding layers
Abstract
According to DIN 50190 the depth of nitriding layers is determined destructively on samples which are added to the components to be nitrided. A nondestructive testing method is desired which monitors the quality of each component produced. During the last few years micromagnetic techniques have shown that a nondestructive testing of hardening depth and surface hardness is possible. A new micromagnetic testing approach is presented which allows a nondestructive determination of the nitrided layer thickness as well as an inspection of the white layer.