JPS57122360A - Ultrasonic wave flaw detecting device for inner surface of small pipe - Google Patents

Ultrasonic wave flaw detecting device for inner surface of small pipe

Info

Publication number
JPS57122360A
JPS57122360A JP56007912A JP791281A JPS57122360A JP S57122360 A JPS57122360 A JP S57122360A JP 56007912 A JP56007912 A JP 56007912A JP 791281 A JP791281 A JP 791281A JP S57122360 A JPS57122360 A JP S57122360A
Authority
JP
Japan
Prior art keywords
rotation
pulse
rotating
piezoelectric transducer
signal
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
JP56007912A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6258467B2 (enrdf_load_stackoverflow
Inventor
Yasuaki Sato
Kazuo Sugai
Hiromasa Sakaigawa
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
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Engineering Co Ltd
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 Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Engineering Co Ltd
Priority to JP56007912A priority Critical patent/JPS57122360A/ja
Publication of JPS57122360A publication Critical patent/JPS57122360A/ja
Publication of JPS6258467B2 publication Critical patent/JPS6258467B2/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
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • 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
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2475—Embedded probes, i.e. probes incorporated in objects to be inspected
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2693—Rotor or turbine parts

Landscapes

  • Physics & Mathematics (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)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP56007912A 1981-01-23 1981-01-23 Ultrasonic wave flaw detecting device for inner surface of small pipe Granted JPS57122360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56007912A JPS57122360A (en) 1981-01-23 1981-01-23 Ultrasonic wave flaw detecting device for inner surface of small pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56007912A JPS57122360A (en) 1981-01-23 1981-01-23 Ultrasonic wave flaw detecting device for inner surface of small pipe

Publications (2)

Publication Number Publication Date
JPS57122360A true JPS57122360A (en) 1982-07-30
JPS6258467B2 JPS6258467B2 (enrdf_load_stackoverflow) 1987-12-05

Family

ID=11678747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56007912A Granted JPS57122360A (en) 1981-01-23 1981-01-23 Ultrasonic wave flaw detecting device for inner surface of small pipe

Country Status (1)

Country Link
JP (1) JPS57122360A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5944655A (ja) * 1982-09-07 1984-03-13 Hitachi Ltd 管内插入型超音波探触子
JPS60128361A (ja) * 1983-12-16 1985-07-09 Hitachi Ltd 遠隔超音波探傷試験装置
JPS62195761U (enrdf_load_stackoverflow) * 1986-06-03 1987-12-12
CN103257183A (zh) * 2013-04-01 2013-08-21 国家电网公司 一种带中心孔的汽轮机转子轴的超声波检测方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5944655A (ja) * 1982-09-07 1984-03-13 Hitachi Ltd 管内插入型超音波探触子
JPS60128361A (ja) * 1983-12-16 1985-07-09 Hitachi Ltd 遠隔超音波探傷試験装置
JPS62195761U (enrdf_load_stackoverflow) * 1986-06-03 1987-12-12
CN103257183A (zh) * 2013-04-01 2013-08-21 国家电网公司 一种带中心孔的汽轮机转子轴的超声波检测方法

Also Published As

Publication number Publication date
JPS6258467B2 (enrdf_load_stackoverflow) 1987-12-05

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