PORTABLE TYPE HIGHER HARMONIC NONDESTRUCTIVE INSPECTION SYSTEM

PROBLEM TO BE SOLVED: To provide a portable type higher harmonic nondestructive inspection system capable of nondestructively detecting and evaluating a defect such as a micro inter-crystalline crack due to hydrogen immersion occurring to a petrochemical plant etc.CONSTITUTION: An ultrasonic nondest...

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Hauptverfasser:	MUKONO HIDEYUKI, FUKIHARA KAZURO, KAWASHIMA KOICHIRO, HIDESHIMA YUKARI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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creator	MUKONO HIDEYUKI FUKIHARA KAZURO KAWASHIMA KOICHIRO HIDESHIMA YUKARI
description	PROBLEM TO BE SOLVED: To provide a portable type higher harmonic nondestructive inspection system capable of nondestructively detecting and evaluating a defect such as a micro inter-crystalline crack due to hydrogen immersion occurring to a petrochemical plant etc.CONSTITUTION: An ultrasonic nondestructive inspection device comprising a large-amplitude sine wave generation part, an ultrasonic probe, a scanning mechanism, a high-pass filter or band-pass filter, etc., is configured to: excite a transmitting ultrasonic probe with a burst wave from the large-amplitude sine wave generation part; receive, by the ultrasonic probe, a wave including a higher harmonic sent to an object to be inspected through a liquid column consisting of a portable water tank or liquid and scattered on the side of the object to be inspected and so on; record the signal in waveform recording means through the high-pass filter or band-pass filter; process the recorded waveform through digital waveform analysis; and nondestructively detect and evaluate a micro-crack of 0.1 mm order or a void formed of coupled micro-cracks.SELECTED DRAWING: Figure 2 【課題】石油化学プラント等で発生する水素侵食による微小な粒界割れ等の欠陥を非破壊的に検出・評価できる可搬式高調波非破壊検査装置を提供する。【構成】大振幅正弦波発生部、超音波探触子、走査機構、ハイパスフィルタあるいはバンドパスフィルタなどを備えた超音波非破壊検査装置において、大振幅正弦波発生部からのバースト波により送信超音波探触子を励起し、可搬型水槽又は液体から成る液体柱を介して被検査対象に送信し、超音波探触子により被検査対象側で散乱等された高調波を含む波を受信し、その信号をハイパスフィルタあるいはバンドパスフィルタを介して波形記録手段に収録し、前記収録波形をデジタル波形解析により処理し、０．１ｍｍ台のマイクロクラック又は連結したボイドを非破壊的に検出、評価する。【選択図】図２
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receive, by the ultrasonic probe, a wave including a higher harmonic sent to an object to be inspected through a liquid column consisting of a portable water tank or liquid and scattered on the side of the object to be inspected and so on; record the signal in waveform recording means through the high-pass filter or band-pass filter; process the recorded waveform through digital waveform analysis; and nondestructively detect and evaluate a micro-crack of 0.1 mm order or a void formed of coupled micro-cracks.SELECTED DRAWING: Figure 2 【課題】石油化学プラント等で発生する水素侵食による微小な粒界割れ等の欠陥を非破壊的に検出・評価できる可搬式高調波非破壊検査装置を提供する。【構成】大振幅正弦波発生部、超音波探触子、走査機構、ハイパスフィルタあるいはバンドパスフィルタなどを備えた超音波非破壊検査装置において、大振幅正弦波発生部からのバースト波により送信超音波探触子を励起し、可搬型水槽又は液体から成る液体柱を介して被検査対象に送信し、超音波探触子により被検査対象側で散乱等された高調波を含む波を受信し、その信号をハイパスフィルタあるいはバンドパスフィルタを介して波形記録手段に収録し、前記収録波形をデジタル波形解析により処理し、０．１ｍｍ台のマイクロクラック又は連結したボイドを非破壊的に検出、評価する。【選択図】図２</description><language>eng ; jpn</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; 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FUKIHARA KAZURO ; KAWASHIMA KOICHIRO ; HIDESHIMA YUKARI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2017106786A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2017</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>MUKONO HIDEYUKI</creatorcontrib><creatorcontrib>FUKIHARA KAZURO</creatorcontrib><creatorcontrib>KAWASHIMA KOICHIRO</creatorcontrib><creatorcontrib>HIDESHIMA YUKARI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MUKONO HIDEYUKI</au><au>FUKIHARA KAZURO</au><au>KAWASHIMA KOICHIRO</au><au>HIDESHIMA YUKARI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PORTABLE TYPE HIGHER HARMONIC NONDESTRUCTIVE INSPECTION SYSTEM</title><date>2017-06-15</date><risdate>2017</risdate><abstract>PROBLEM TO BE SOLVED: To provide a portable type higher harmonic nondestructive inspection system capable of nondestructively detecting and evaluating a defect such as a micro inter-crystalline crack due to hydrogen immersion occurring to a petrochemical plant etc.CONSTITUTION: An ultrasonic nondestructive inspection device comprising a large-amplitude sine wave generation part, an ultrasonic probe, a scanning mechanism, a high-pass filter or band-pass filter, etc., is configured to: excite a transmitting ultrasonic probe with a burst wave from the large-amplitude sine wave generation part; 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subjects	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
title	PORTABLE TYPE HIGHER HARMONIC NONDESTRUCTIVE INSPECTION SYSTEM
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