JPS5433086A - Defect area rate measuring apparatus - Google Patents

Defect area rate measuring apparatus

Info

Publication number
JPS5433086A
JPS5433086A JP9866877A JP9866877A JPS5433086A JP S5433086 A JPS5433086 A JP S5433086A JP 9866877 A JP9866877 A JP 9866877A JP 9866877 A JP9866877 A JP 9866877A JP S5433086 A JPS5433086 A JP S5433086A
Authority
JP
Japan
Prior art keywords
defect area
measuring apparatus
rate measuring
area rate
areas
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.)
Pending
Application number
JP9866877A
Other languages
Japanese (ja)
Inventor
Takahiro Kanamori
Fuminobu Takahashi
Kazumichi Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9866877A priority Critical patent/JPS5433086A/en
Publication of JPS5433086A publication Critical patent/JPS5433086A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

PURPOSE: To measure and display defect area rates automatically, quantitatively and rapidly by providing circuits measuring defect areas and the scanning areas of an ultrasonic probe, operating the ratios thereof and displaying the same.
COPYRIGHT: (C)1979,JPO&Japio
JP9866877A 1977-08-19 1977-08-19 Defect area rate measuring apparatus Pending JPS5433086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9866877A JPS5433086A (en) 1977-08-19 1977-08-19 Defect area rate measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9866877A JPS5433086A (en) 1977-08-19 1977-08-19 Defect area rate measuring apparatus

Publications (1)

Publication Number Publication Date
JPS5433086A true JPS5433086A (en) 1979-03-10

Family

ID=14225883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9866877A Pending JPS5433086A (en) 1977-08-19 1977-08-19 Defect area rate measuring apparatus

Country Status (1)

Country Link
JP (1) JPS5433086A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135739A (en) * 1979-04-11 1980-10-22 Canon Horosonitsukusu Kk Digital display unit for defective area by ultrasonic wave flaw detecting method
JPS58103661A (en) * 1981-12-16 1983-06-20 Mitsubishi Electric Corp Signal processing unit for flaw detecting data
JPS60253866A (en) * 1984-05-30 1985-12-14 Nippon Kokan Kk <Nkk> Processing method of ultrasonic flaw detection data
JP2005156305A (en) * 2003-11-25 2005-06-16 Daido Steel Co Ltd Internal defect evaluation method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135739A (en) * 1979-04-11 1980-10-22 Canon Horosonitsukusu Kk Digital display unit for defective area by ultrasonic wave flaw detecting method
JPS58103661A (en) * 1981-12-16 1983-06-20 Mitsubishi Electric Corp Signal processing unit for flaw detecting data
JPS60253866A (en) * 1984-05-30 1985-12-14 Nippon Kokan Kk <Nkk> Processing method of ultrasonic flaw detection data
JP2005156305A (en) * 2003-11-25 2005-06-16 Daido Steel Co Ltd Internal defect evaluation method

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