Phased-array flaw-detection device and method

Phased-array flaw-detection device and method

A plurality of ultrasonic transducers of the invented probe are separated in a concentric circle pattern, separated in rows that are orthogonal to a reference line L that passes through the center of circles, and positioned line symmetrically with respect to the reference line L. The detection surfa...

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Hauptverfasser: Arakawa, Takahiro, Fukumoto, Shintaro, Kawasaki, Hiraku
Format: Patent
Sprache:eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator Arakawa, Takahiro
Fukumoto, Shintaro
Kawasaki, Hiraku
description A plurality of ultrasonic transducers of the invented probe are separated in a concentric circle pattern, separated in rows that are orthogonal to a reference line L that passes through the center of circles, and positioned line symmetrically with respect to the reference line L. The detection surface of the invented probe has a circular shape having the diameter D, and has a plurality of segments divided into a plurality of arc-shaped portions that are symmetrical with respect to the reference line L. Further a controller which has a plurality of control channels for controlling pairs of the line symmetrical ultrasonic transducers under the same conditions is provided.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Phased-array flaw-detection device and method
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