G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 29/04 (2006.01)
Patent
CA 2544844
A method for checking a weld (1) between a first metal pipeline (2) and a second metal pipeline (4), in particular an austenitic weld, the method comprising at least the following method steps: (a) a first ultrasonic beam (30) is transmitted to an interface (26) between the weld and the first pipeline situated on a first side (28) of the weld; (b) a reflection of the first ultrasonic beam (30) on the interface (26) situated on the first side (28) of the weld is received and a first received signal corresponding thereto is generated; (c) a second ultrasonic beam (40) different from the first ultrasonic beam (30) is transmitted to the interface (26) situated on the first side (28) of the weld; (d) a reflection of the second ultrasonic beam (40) on the interface (26) situated on the first side (28) of the weld is received and a second received signal corresponding thereto is generated; (e) the first received signal and the second received signal are processed in combination for checking the weld (1).
L'invention porte sur un procédé de vérification d'une soudure (1) en particulier austénitique reliant deux éléments métalliques d'oléoduc (4) comportant les étapes suivantes: (a) transmission d'un premier faisceau (30) d'ultrasons à une interface (26) placée entre la soudure et un premier élément d'oléoduc, et située d'un premier côté (28) de la soudure; (b) réflexion du premier faisceau (30) d'ultrasons sur ladite interface (26) et création d'un premier signal reçu correspondant; (c) transmission d'un deuxième faisceau (40) différent du premier (30) à l'interface (26); (d) réflexion du deuxième faisceau (30) d'ultrasons sur ladite interface (26) et création d'un deuxième signal reçu correspondant; (e) traitement combiné du premier et du deuxième signal reçu pour effectuer la vérification de la soudure
Van Der Ent Jan
Van Kessel Edwin Theodorus
Van Nisselroij Jacobus Johannes Mathijs
Gowling Lafleur Henderson Llp
Roentgen Technische Dienst B.v.
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