JPS5343586A - Method and apparatus for ultrasonic inspector for dissimilar metals# welded portion - Google Patents

Method and apparatus for ultrasonic inspector for dissimilar metals# welded portion

Info

Publication number
JPS5343586A
JPS5343586A JP11716876A JP11716876A JPS5343586A JP S5343586 A JPS5343586 A JP S5343586A JP 11716876 A JP11716876 A JP 11716876A JP 11716876 A JP11716876 A JP 11716876A JP S5343586 A JPS5343586 A JP S5343586A
Authority
JP
Japan
Prior art keywords
welded portion
dissimilar metals
ultrasonic inspector
phase
ultrasonic wave
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
JP11716876A
Other languages
Japanese (ja)
Other versions
JPS6044618B2 (en
Inventor
Sakae Sugiyama
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
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK, Hitachi Ltd filed Critical Babcock Hitachi KK
Priority to JP51117168A priority Critical patent/JPS6044618B2/en
Publication of JPS5343586A publication Critical patent/JPS5343586A/en
Publication of JPS6044618B2 publication Critical patent/JPS6044618B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To inspect quickly and exactly the defect in welded portion of dissimilar metals, by utilizing phenomenon that ultrasonic wave reflected from defective portion becomes in-phase or opposite-phase with transmitted ultrasonic wave depending on density, impedance, etc., of material of inspected object.
COPYRIGHT: (C)1978,JPO&Japio
JP51117168A 1976-10-01 1976-10-01 Ultrasonic flaw detection method and device for dissimilar metal welds Expired JPS6044618B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51117168A JPS6044618B2 (en) 1976-10-01 1976-10-01 Ultrasonic flaw detection method and device for dissimilar metal welds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51117168A JPS6044618B2 (en) 1976-10-01 1976-10-01 Ultrasonic flaw detection method and device for dissimilar metal welds

Publications (2)

Publication Number Publication Date
JPS5343586A true JPS5343586A (en) 1978-04-19
JPS6044618B2 JPS6044618B2 (en) 1985-10-04

Family

ID=14705122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51117168A Expired JPS6044618B2 (en) 1976-10-01 1976-10-01 Ultrasonic flaw detection method and device for dissimilar metal welds

Country Status (1)

Country Link
JP (1) JPS6044618B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136951A (en) * 1979-04-12 1980-10-25 Hitachi Ltd Controlling method of ultrasonic flaw detecting and picture display thereof
JPS5750655A (en) * 1980-09-11 1982-03-25 Toshiba Corp Ultrasonic flaw detector
JPS58135450A (en) * 1982-02-05 1983-08-12 Hitachi Ltd Method and device for discrimination of defect by using ultrasonic wave
JP2010059688A (en) * 2008-09-03 2010-03-18 Kyosan Electric Mfg Co Ltd Rail breakage inspection method and rail breakage inspection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55136951A (en) * 1979-04-12 1980-10-25 Hitachi Ltd Controlling method of ultrasonic flaw detecting and picture display thereof
JPS5750655A (en) * 1980-09-11 1982-03-25 Toshiba Corp Ultrasonic flaw detector
JPS58135450A (en) * 1982-02-05 1983-08-12 Hitachi Ltd Method and device for discrimination of defect by using ultrasonic wave
JPH0215024B2 (en) * 1982-02-05 1990-04-10 Hitachi Ltd
JP2010059688A (en) * 2008-09-03 2010-03-18 Kyosan Electric Mfg Co Ltd Rail breakage inspection method and rail breakage inspection device

Also Published As

Publication number Publication date
JPS6044618B2 (en) 1985-10-04

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