JPS6118696B2 - - Google Patents

Info

Publication number
JPS6118696B2
JPS6118696B2 JP52062490A JP6249077A JPS6118696B2 JP S6118696 B2 JPS6118696 B2 JP S6118696B2 JP 52062490 A JP52062490 A JP 52062490A JP 6249077 A JP6249077 A JP 6249077A JP S6118696 B2 JPS6118696 B2 JP S6118696B2
Authority
JP
Japan
Prior art keywords
output
crack
low
frequency
detected
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.)
Expired
Application number
JP52062490A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53147590A (en
Inventor
Masahiko Suzuki
Katsu Takahashi
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 Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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 filed Critical Asahi Chemical Industry Co Ltd
Priority to JP6249077A priority Critical patent/JPS53147590A/ja
Publication of JPS53147590A publication Critical patent/JPS53147590A/ja
Publication of JPS6118696B2 publication Critical patent/JPS6118696B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP6249077A 1977-05-27 1977-05-27 Crack detector Granted JPS53147590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6249077A JPS53147590A (en) 1977-05-27 1977-05-27 Crack detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6249077A JPS53147590A (en) 1977-05-27 1977-05-27 Crack detector

Publications (2)

Publication Number Publication Date
JPS53147590A JPS53147590A (en) 1978-12-22
JPS6118696B2 true JPS6118696B2 (enrdf_load_stackoverflow) 1986-05-14

Family

ID=13201655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6249077A Granted JPS53147590A (en) 1977-05-27 1977-05-27 Crack detector

Country Status (1)

Country Link
JP (1) JPS53147590A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003066015A (ja) * 2001-08-21 2003-03-05 Ishikawajima Harima Heavy Ind Co Ltd アコーステックエミッション法における信号処理方法
JP2011128104A (ja) * 2009-12-21 2011-06-30 Ihi Inspection & Instrumentation Co Ltd 部品検査方法

Also Published As

Publication number Publication date
JPS53147590A (en) 1978-12-22

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