JPH0572541B2 - - Google Patents

Info

Publication number
JPH0572541B2
JPH0572541B2 JP60021701A JP2170185A JPH0572541B2 JP H0572541 B2 JPH0572541 B2 JP H0572541B2 JP 60021701 A JP60021701 A JP 60021701A JP 2170185 A JP2170185 A JP 2170185A JP H0572541 B2 JPH0572541 B2 JP H0572541B2
Authority
JP
Japan
Prior art keywords
metal material
frequency spectrum
frequency
spectrum
center
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 - Fee Related
Application number
JP60021701A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61181957A (ja
Inventor
Makoto Senoo
Sakae Sugyama
Atsushi Yamada
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
Proterial Ltd
Original Assignee
Hitachi Ltd
Hitachi Metals 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, Hitachi Metals Ltd filed Critical Hitachi Ltd
Priority to JP60021701A priority Critical patent/JPS61181957A/ja
Publication of JPS61181957A publication Critical patent/JPS61181957A/ja
Publication of JPH0572541B2 publication Critical patent/JPH0572541B2/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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture

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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP60021701A 1985-02-08 1985-02-08 金属材料検査装置 Granted JPS61181957A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60021701A JPS61181957A (ja) 1985-02-08 1985-02-08 金属材料検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60021701A JPS61181957A (ja) 1985-02-08 1985-02-08 金属材料検査装置

Publications (2)

Publication Number Publication Date
JPS61181957A JPS61181957A (ja) 1986-08-14
JPH0572541B2 true JPH0572541B2 (enrdf_load_stackoverflow) 1993-10-12

Family

ID=12062362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60021701A Granted JPS61181957A (ja) 1985-02-08 1985-02-08 金属材料検査装置

Country Status (1)

Country Link
JP (1) JPS61181957A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004177168A (ja) * 2002-11-25 2004-06-24 Sanyo Special Steel Co Ltd 水浸超音波探傷による鋼中介在物検出評価方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01216291A (ja) * 1988-02-25 1989-08-30 Nippon Telegr & Teleph Corp <Ntt> 物体の探知方法およびその装置
CA1299727C (en) * 1989-03-06 1992-04-28 David Donald Caulfield Acoustic detection apparatus
JP5974650B2 (ja) * 2012-06-09 2016-08-23 大同特殊鋼株式会社 結晶粒異方性判定方法
JP7196581B2 (ja) * 2018-12-10 2022-12-27 大同特殊鋼株式会社 被検査材の組織検査方法
JP6775233B2 (ja) * 2019-06-04 2020-10-28 原子燃料工業株式会社 材料診断方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5739346A (en) * 1980-08-20 1982-03-04 Hitachi Ltd Identifying device for reflection body by frequency spectra

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004177168A (ja) * 2002-11-25 2004-06-24 Sanyo Special Steel Co Ltd 水浸超音波探傷による鋼中介在物検出評価方法

Also Published As

Publication number Publication date
JPS61181957A (ja) 1986-08-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees