Alternative to magnetic particle inspection for the control of welds and metal components by infrared thermography

Walaszek, Henri; Centre Technique des Industries Mecaniques; France

Bouteille, P.; CETIM; France
Walaszek, H.; CETIM; France

ID: ECNDT-0333-2018
Session: Thermography and Thermosonics 3
Room: H1
Date: 2018-06-14
Time: 14:10 - 14:30

The studies carried out over several years, in particular at CETIM, show that infrared thermography with inductive excitation makes it possible to reveal underlying or underlying surface defects on metallic products, magnetic or not.
The absence of chemicals compared to MT or PT makes this method particularly attractive for forged parts that require 100% control.
Recent tests also show that infrared induction thermography detects surface defects very quickly in welded or non-grinded welds (less than one second for about ten centimeters of welds). The potentiality of automation of control and pass/no pass decision is another potentiality of this technique, to be exploited, compared to traditional methods of control.