DEFECT DETECTION DEVICE, DEFECT DETECTION METHOD, AND PROGRAM

DEFECT DETECTION DEVICE, DEFECT DETECTION METHOD, AND PROGRAM

A defect detection device includes a transmission unit (131) that transmits ultrasonic beams (113) toward a welded part (210) from transmission ultrasonic elements (112) consisting of n pieces of ultrasonic elements (111) that are a portion of a phased array probe (110); a reception unit (132) that...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: UEDA, Yoshio, AOKI, Hiromichi, OKAMOTO, Kohei, YAMANO, Masaki, HASEGAWA, Noboru
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:A defect detection device includes a transmission unit (131) that transmits ultrasonic beams (113) toward a welded part (210) from transmission ultrasonic elements (112) consisting of n pieces of ultrasonic elements (111) that are a portion of a phased array probe (110); a reception unit (132) that receives reflected ultrasonic beams reflected by a welded steel pipe (200) including the welded part (210) via reception ultrasonic elements (114) consisting of m pieces, being larger than n pieces, of the ultrasonic elements (111) including n pieces of the ultrasonic elements relating to the transmission ultrasonic element (112); and a defect determination unit (124) that determines whether or not a defect is present in the welded part (210) based on the reflected ultrasonic beams received by the reception unit (132).