ULTRASONIC WAVE MEASURING METHOD AND ULTRASONIC WAVE MEASURING DEVICE

ULTRASONIC WAVE MEASURING METHOD AND ULTRASONIC WAVE MEASURING DEVICE

A measuring-point setting unit 51 sets an arbitrary measuring point near a weld portion inside of steel material and assumes a virtual reflecting surface that includes the measuring point and is parallel to a weld line direction. An array-control calculating unit 52 transmits ultrasonic waves of a s...

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Hauptverfasser: IIZUKA, Yukinori, OZEKI, Takafumi
Format: Patent
Sprache:eng ; fre ; ger
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
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creator IIZUKA, Yukinori
OZEKI, Takafumi
description A measuring-point setting unit 51 sets an arbitrary measuring point near a weld portion inside of steel material and assumes a virtual reflecting surface that includes the measuring point and is parallel to a weld line direction. An array-control calculating unit 52 transmits ultrasonic waves of a shear wave mode satisfying an arbitrary expression and focusing onto the measuring point via a coupling medium at a predetermined incident angle with respect to the virtual reflecting surface. An echo-height extracting unit 53 detects reflected waves of the transmitted ultrasonic waves at a boundary between a base metal portion and the weld portion. A controller 5 evaluates the shape of the weld portion based on the reflected waves.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
title ULTRASONIC WAVE MEASURING METHOD AND ULTRASONIC WAVE MEASURING DEVICE
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