JPH0566545B2 - - Google Patents

Info

Publication number
JPH0566545B2
JPH0566545B2 JP59172602A JP17260284A JPH0566545B2 JP H0566545 B2 JPH0566545 B2 JP H0566545B2 JP 59172602 A JP59172602 A JP 59172602A JP 17260284 A JP17260284 A JP 17260284A JP H0566545 B2 JPH0566545 B2 JP H0566545B2
Authority
JP
Japan
Prior art keywords
defect
propagation time
center
rectangular column
ultrasonic
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 - Lifetime
Application number
JP59172602A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6150064A (ja
Inventor
Kishio Arita
Susumu Mitani
Yoshitaka Koide
Yoshiro Tomikawa
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP59172602A priority Critical patent/JPS6150064A/ja
Publication of JPS6150064A publication Critical patent/JPS6150064A/ja
Publication of JPH0566545B2 publication Critical patent/JPH0566545B2/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
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves

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)
JP59172602A 1984-08-20 1984-08-20 矩形柱の欠陥診断方法 Granted JPS6150064A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59172602A JPS6150064A (ja) 1984-08-20 1984-08-20 矩形柱の欠陥診断方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59172602A JPS6150064A (ja) 1984-08-20 1984-08-20 矩形柱の欠陥診断方法

Publications (2)

Publication Number Publication Date
JPS6150064A JPS6150064A (ja) 1986-03-12
JPH0566545B2 true JPH0566545B2 (enrdf_load_stackoverflow) 1993-09-22

Family

ID=15944898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59172602A Granted JPS6150064A (ja) 1984-08-20 1984-08-20 矩形柱の欠陥診断方法

Country Status (1)

Country Link
JP (1) JPS6150064A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646239B1 (fr) * 1989-04-24 1991-08-16 Dassault Avions Procede et dispositif acoustique de localisation de defauts du materiau constituant une piece et emetteur acoustique utilisable dans ce dispositif
JP3724135B2 (ja) * 1996-10-31 2005-12-07 日立電線株式会社 異形断面条の製造方法

Also Published As

Publication number Publication date
JPS6150064A (ja) 1986-03-12

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