JPS5342882A - Method and apparatus for detecting crack pattern of processed metallic body by electromagnetic ultrasonic wave - Google Patents

Method and apparatus for detecting crack pattern of processed metallic body by electromagnetic ultrasonic wave

Info

Publication number
JPS5342882A
JPS5342882A JP11660876A JP11660876A JPS5342882A JP S5342882 A JPS5342882 A JP S5342882A JP 11660876 A JP11660876 A JP 11660876A JP 11660876 A JP11660876 A JP 11660876A JP S5342882 A JPS5342882 A JP S5342882A
Authority
JP
Japan
Prior art keywords
electromagnetic ultrasonic
metallic body
ultrasonic wave
crack pattern
processed metallic
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
JP11660876A
Other languages
Japanese (ja)
Inventor
Hisao Suzuki
Norito Iwao
Katsuhiro Kawashima
Shoji Murota
Yukio Nakamori
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 Steel Corp
Original Assignee
Nippon Steel 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 Steel Corp filed Critical Nippon Steel Corp
Priority to JP11660876A priority Critical patent/JPS5342882A/en
Publication of JPS5342882A publication Critical patent/JPS5342882A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

PURPOSE: To detect all sorts of crack pattern, without contact, even against the body, having bad surface form, by providing the electromagnetic ultrasonic crack detecting apparatus, composed of magnetic field, vortex electric current generating apparatus and that of detecting apparatus, near the surface of processed metallic body.
COPYRIGHT: (C)1978,JPO&Japio
JP11660876A 1976-09-30 1976-09-30 Method and apparatus for detecting crack pattern of processed metallic body by electromagnetic ultrasonic wave Pending JPS5342882A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11660876A JPS5342882A (en) 1976-09-30 1976-09-30 Method and apparatus for detecting crack pattern of processed metallic body by electromagnetic ultrasonic wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11660876A JPS5342882A (en) 1976-09-30 1976-09-30 Method and apparatus for detecting crack pattern of processed metallic body by electromagnetic ultrasonic wave

Publications (1)

Publication Number Publication Date
JPS5342882A true JPS5342882A (en) 1978-04-18

Family

ID=14691369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11660876A Pending JPS5342882A (en) 1976-09-30 1976-09-30 Method and apparatus for detecting crack pattern of processed metallic body by electromagnetic ultrasonic wave

Country Status (1)

Country Link
JP (1) JPS5342882A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504919A (en) * 1981-08-25 1985-03-12 Mazda Motor Corporation Method of controlling tire assembly lines
JP2014504734A (en) * 2011-01-31 2014-02-24 ノルディンクラフト アーゲー Apparatus, method and use of an electromagnetic ultrasonic probe for inspecting electronic components embedded with at least one metal-containing layer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504919A (en) * 1981-08-25 1985-03-12 Mazda Motor Corporation Method of controlling tire assembly lines
JP2014504734A (en) * 2011-01-31 2014-02-24 ノルディンクラフト アーゲー Apparatus, method and use of an electromagnetic ultrasonic probe for inspecting electronic components embedded with at least one metal-containing layer

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