Quantitative nondestructive evaluation method for cracking

Details Quantitative nondestructive evaluation method for cracking Quantitative nondestructive evaluation method for cracking

G - Physics

01

M

G01M 99/00 (2011.01) G01N 3/00 (2006.01) G01N 23/18 (2006.01) G01N 27/82 (2006.01) G01N 29/04 (2006.01)

Patent

CA 2517786

A nondestructive evaluation method for detecting cracking (5) in a metal tube body (1) by specified inspection devices (6) and (7), wherein a cooling treatment, a heating treatment, or a cooling and heating treatment is applied to the specified position of the tube body (1) to cause deformation so as to open the cracking (5) present in the tube body (1) for elicitation. Then the tube body (1) is inspected by using the inspection devices (6) and (7).

Cette invention concerne un procédé non destructif d'évaluation quantitative permettant de détecter des fissures (5) dans un corps métallique tubulaire (1) au moyen de dispositifs d'inspection déterminés (6) et (7). On applique un traitement de refroidissement, un traitement de chauffage ou bien un traitement de refroidissement et chauffage sur une partie spécifiée du corps tubulaire (1) de manière à provoquer une déformation et à débrider des fissures présentes dans le corps tubulaire (1) des fissures pour élicitation. On contrôle ensuite le corps tubulaire (1) au moyen des dispositifs d'inspection (6) et (7).

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