WO2009004829A1 - 構造物の非破壊診断方法 - Google Patents

構造物の非破壊診断方法 Download PDF

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Publication number
WO2009004829A1
WO2009004829A1 PCT/JP2008/052736 JP2008052736W WO2009004829A1 WO 2009004829 A1 WO2009004829 A1 WO 2009004829A1 JP 2008052736 W JP2008052736 W JP 2008052736W WO 2009004829 A1 WO2009004829 A1 WO 2009004829A1
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WO
WIPO (PCT)
Prior art keywords
wave
spatial
velocity
flaw detection
excitation
Prior art date
Application number
PCT/JP2008/052736
Other languages
English (en)
French (fr)
Inventor
Kiyokazu Toiyama
Original Assignee
Hiroshima Prefecture
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hiroshima Prefecture filed Critical Hiroshima Prefecture
Publication of WO2009004829A1 publication Critical patent/WO2009004829A1/ja

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2462—Probes with waveguides, e.g. SAW devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4445—Classification of defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2634—Surfaces cylindrical from outside

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

　ガイド波超音波を用いて構造物の欠陥を検出する非破壊探傷技術に関し、特に周波数により伝搬速度が変化する速度分散性ガイド波超音波を用いた診断の際に、ガイド波の速度分散性の影響により、探傷波形が崩れ空間分解能が著しく低下する問題と、探傷信号のＳＮ比をより向上させる課題とを同時に解決する方法が求められている。速度分散性ガイド波超音波に対しても適用できるよう、新たな処理アルゴリズムを考案する。 　励起時間波として広帯域なチャープ信号等を用い、後に受信された受信時間波情報と、励起時間波情報と、ガイド波超音波の速度分散情報に基づき、構造物中の欠陥の空間分布と、励起空間波の空間分布である励起空間波の自己相関関数との畳み込み波形に相当する空間波パルス圧縮波形を算出する。これにより、高い空間分解能と高いＳＮ比とを有する探傷波形を得ることができる。
PCT/JP2008/052736 2007-06-29 2008-02-19 構造物の非破壊診断方法 WO2009004829A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007172924A JP4997636B2 (ja) 2007-06-29 2007-06-29 構造物の非破壊診断方法
JP2007-172924 2007-06-29

Publications (1)

Publication Number Publication Date
WO2009004829A1 true WO2009004829A1 (ja) 2009-01-08

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PCT/JP2008/052736 WO2009004829A1 (ja) 2007-06-29 2008-02-19 構造物の非破壊診断方法

Country Status (2)

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JP (1) JP4997636B2 (ja)
WO (1) WO2009004829A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104569152A (zh) * 2014-12-25 2015-04-29 奥瑞视（北京）科技有限公司 基于界面波关联检测的轨道车辆车轮超声检测方法及系统
CN107976484A (zh) * 2017-11-22 2018-05-01 武汉市工程科学技术研究院 线性调频锚杆检测收发一体传感器及锚杆检测方法
US11467133B2 (en) * 2019-09-09 2022-10-11 Raytheon Technologies Corporation Microtexture region characterization systems and methods

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105004795B (zh) * 2015-08-03 2016-05-11 中国人民解放军海军工程大学 伪缺陷信号识别及利用其提高管道无损检测精度的方法
JP7216884B2 (ja) * 2019-02-28 2023-02-02 日本電信電話株式会社 反射波の評価方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63233369A (ja) * 1986-10-16 1988-09-29 Olympus Optical Co Ltd 超音波診断用パルス圧縮装置
JPH10510627A (ja) * 1994-12-13 1998-10-13 ザ・ビー・エフ・グッドリッチ・カンパニー 汚染物検出システム
JP3022108B2 (ja) * 1993-12-14 2000-03-15 日本鋼管株式会社 超音波送受信装置
JP3036387B2 (ja) * 1995-02-23 2000-04-24 日本鋼管株式会社 超音波探傷方法及び装置
JP3704070B2 (ja) * 2001-08-17 2005-10-05 三菱電機株式会社 超音波探傷装置
JP3747921B2 (ja) * 2003-06-20 2006-02-22 株式会社日立製作所 ガイド波を用いた非破壊検査装置及び非破壊検査方法
JP2006053134A (ja) * 2004-07-12 2006-02-23 Nagoya Institute Of Technology 管体の非破壊評価装置及びその非破壊評価方法
JP3913144B2 (ja) * 2002-08-27 2007-05-09 株式会社日立製作所 配管検査方法及び装置
JP2007121092A (ja) * 2005-10-27 2007-05-17 Hiroshima Pref Gov 方向制御性を伴ったガイド波パルス圧縮探傷法および探傷装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63233369A (ja) * 1986-10-16 1988-09-29 Olympus Optical Co Ltd 超音波診断用パルス圧縮装置
JP3022108B2 (ja) * 1993-12-14 2000-03-15 日本鋼管株式会社 超音波送受信装置
JPH10510627A (ja) * 1994-12-13 1998-10-13 ザ・ビー・エフ・グッドリッチ・カンパニー 汚染物検出システム
JP3036387B2 (ja) * 1995-02-23 2000-04-24 日本鋼管株式会社 超音波探傷方法及び装置
JP3704070B2 (ja) * 2001-08-17 2005-10-05 三菱電機株式会社 超音波探傷装置
JP3913144B2 (ja) * 2002-08-27 2007-05-09 株式会社日立製作所 配管検査方法及び装置
JP3747921B2 (ja) * 2003-06-20 2006-02-22 株式会社日立製作所 ガイド波を用いた非破壊検査装置及び非破壊検査方法
JP2006053134A (ja) * 2004-07-12 2006-02-23 Nagoya Institute Of Technology 管体の非破壊評価装置及びその非破壊評価方法
JP2007121092A (ja) * 2005-10-27 2007-05-17 Hiroshima Pref Gov 方向制御性を伴ったガイド波パルス圧縮探傷法および探傷装置

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KIYOKAZU TOIYAMA ET AL.: "Kairyogata Pulse Asshuku Shori ni yoru Guide-ha Shingo no Kobunkainoka", SYMPOSIUM ON ULTRASONIC ELECTRONICS RONBUNSHU, vol. 26, 16 November 2005 (2005-11-16), pages 3 - 51 *
KIYOKAZU TOIYAMA ET AL.: "Kairyogata Pulse Asshuku Shuho ni yoru Guide-ha Shingo no Kobunkainoka = Ko-SN-hi deno Guide-ha Haikan Kensa Shuho =", ULTRASONIC TECHNOLOGY, vol. 18, no. 5, 20 September 2006 (2006-09-20), pages 12 - 16 *
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104569152A (zh) * 2014-12-25 2015-04-29 奥瑞视（北京）科技有限公司 基于界面波关联检测的轨道车辆车轮超声检测方法及系统
CN107976484A (zh) * 2017-11-22 2018-05-01 武汉市工程科学技术研究院 线性调频锚杆检测收发一体传感器及锚杆检测方法
US11467133B2 (en) * 2019-09-09 2022-10-11 Raytheon Technologies Corporation Microtexture region characterization systems and methods
US11933767B2 (en) 2019-09-09 2024-03-19 Rtx Corporation Microtexture region characterization systems and methods

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JP2009014345A (ja) 2009-01-22

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