JPS58156854A - 亀裂音響信号検出装置 - Google Patents

亀裂音響信号検出装置

Info

Publication number
JPS58156854A
JPS58156854A JP4137482A JP4137482A JPS58156854A JP S58156854 A JPS58156854 A JP S58156854A JP 4137482 A JP4137482 A JP 4137482A JP 4137482 A JP4137482 A JP 4137482A JP S58156854 A JPS58156854 A JP S58156854A
Authority
JP
Japan
Prior art keywords
output
period
acoustic signal
crack
comparator
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP4137482A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0113534B2 (enrdf_load_stackoverflow
Inventor
Kazutoshi Takahashi
和利 高橋
Shoichi Kikuchi
菊池　正一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Priority to JP4137482A priority Critical patent/JPS58156854A/ja
Publication of JPS58156854A publication Critical patent/JPS58156854A/ja
Publication of JPH0113534B2 publication Critical patent/JPH0113534B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01N29/14—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 using acoustic emission techniques
    • 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
    • G01N2291/269—Various geometry objects
    • G01N2291/2695—Bottles, containers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP4137482A 1982-03-15 1982-03-15 亀裂音響信号検出装置 Granted JPS58156854A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4137482A JPS58156854A (ja) 1982-03-15 1982-03-15 亀裂音響信号検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4137482A JPS58156854A (ja) 1982-03-15 1982-03-15 亀裂音響信号検出装置

Publications (2)

Publication Number Publication Date
JPS58156854A true JPS58156854A (ja) 1983-09-17
JPH0113534B2 JPH0113534B2 (enrdf_load_stackoverflow) 1989-03-07

Family

ID=12606638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4137482A Granted JPS58156854A (ja) 1982-03-15 1982-03-15 亀裂音響信号検出装置

Country Status (1)

Country Link
JP (1) JPS58156854A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61271450A (ja) * 1985-05-27 1986-12-01 Shimadzu Corp Ａｅ計測装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7353390B2 (ja) * 2019-12-18 2023-09-29 株式会社東芝 構造物評価システム、構造物評価装置及び構造物評価方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100789A (en) * 1978-01-25 1979-08-08 Denriyoku Chuo Kenkyusho Processor that change acoustic emmited signal into binary signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100789A (en) * 1978-01-25 1979-08-08 Denriyoku Chuo Kenkyusho Processor that change acoustic emmited signal into binary signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61271450A (ja) * 1985-05-27 1986-12-01 Shimadzu Corp Ａｅ計測装置

Also Published As

Publication number Publication date
JPH0113534B2 (enrdf_load_stackoverflow) 1989-03-07

Similar Documents

Publication Publication Date Title
US4004456A (en) Method and apparatus for the real-time, non-destructive evaluation of adhesion bonds using stress-wave emission techniques
US4207771A (en) Method and apparatus for monitoring cracking using stress wave emission techniques
US5419176A (en) Particle detection and analysis
US4651331A (en) Method of and device for acoustically counting particles
JP2709526B2 (ja) ショットブラスト強さ検出装置
JPS58156854A (ja) 亀裂音響信号検出装置
KR910005056A (ko) 셀프-타이밍을 인정하는 채널
JPH03111735A (ja) ヤング率自動測定器
JPH09250971A (ja) 異常検査方法及びその装置
JP2856066B2 (ja) 超音波検出装置
JPS62263462A (ja) 超音波測定装置
JPH0658354B2 (ja) アコ−ステイツクエミツシヨン信号弁別装置
JP2003329655A (ja) 損傷検査装置
JP2743533B2 (ja) 感度検査装置
SU1385066A1 (ru) Устройство дл акустико-эмиссионного контрол изделий
JPH0625709B2 (ja) 軸受の異常検出方法
JPH08189921A (ja) 割れ検出装置
JPS6128096B2 (enrdf_load_stackoverflow)
JPS6078326A (ja) 衝撃計測装置
SU659947A1 (ru) Устройство дл регистрации процессов трещинообразовани методом акустической эмиссии
JPS6021448A (ja) 超音波検査装置
JPH04299233A (ja) 金属材等の繰返し曲げ試験における割れ自動検出方法
SU1527577A1 (ru) Способ обнаружени развивающихс трещин
JPH02134511A (ja) 超音波板厚計測方法
JPH03272479A (ja) 電気機器の部分放電検出装置