JPS56158941A - Method and device for measuring content ratio of two kinds of structures in metallic material - Google Patents

Method and device for measuring content ratio of two kinds of structures in metallic material

Info

Publication number
JPS56158941A
JPS56158941A JP6230680A JP6230680A JPS56158941A JP S56158941 A JPS56158941 A JP S56158941A JP 6230680 A JP6230680 A JP 6230680A JP 6230680 A JP6230680 A JP 6230680A JP S56158941 A JPS56158941 A JP S56158941A
Authority
JP
Japan
Prior art keywords
parts
thickness
free crystal
dendrite
kinds
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
JP6230680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6229022B2 (enrdf_load_stackoverflow
Inventor
Katsuhiro Kawashima
Hiroshi Soga
Shoji Murota
Hideki Oyamada
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 JP6230680A priority Critical patent/JPS56158941A/ja
Publication of JPS56158941A publication Critical patent/JPS56158941A/ja
Publication of JPS6229022B2 publication Critical patent/JPS6229022B2/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
    • 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)
  • 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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
JP6230680A 1980-05-13 1980-05-13 Method and device for measuring content ratio of two kinds of structures in metallic material Granted JPS56158941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6230680A JPS56158941A (en) 1980-05-13 1980-05-13 Method and device for measuring content ratio of two kinds of structures in metallic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6230680A JPS56158941A (en) 1980-05-13 1980-05-13 Method and device for measuring content ratio of two kinds of structures in metallic material

Publications (2)

Publication Number Publication Date
JPS56158941A true JPS56158941A (en) 1981-12-08
JPS6229022B2 JPS6229022B2 (enrdf_load_stackoverflow) 1987-06-24

Family

ID=13196314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6230680A Granted JPS56158941A (en) 1980-05-13 1980-05-13 Method and device for measuring content ratio of two kinds of structures in metallic material

Country Status (1)

Country Link
JP (1) JPS56158941A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155335A (ja) * 1982-03-12 1983-09-16 Tanaka Kikinzoku Kogyo Kk 金地金の判定方法
JPS6039553A (ja) * 1983-08-12 1985-03-01 Unyusho Senpaku Gijutsu Kenkyusho 鋼材に磁界を加えて、超音波減衰の変化を検出することにより鋼材の疲労度を測定する方法
WO2006045263A1 (de) * 2004-10-28 2006-05-04 Mannesmannröhren-Werke GmbH Verfahren und vorrichtung zur bestimmung der dicke eines prüfkörpers mittels zwei unterschiedlicher ultraschallmoden
JP2014055900A (ja) * 2012-09-13 2014-03-27 Plus Comfort Co Ltd 圧電材料の評価方法
CN111024741A (zh) * 2019-12-12 2020-04-17 首钢集团有限公司 一种硫系易切削钢连铸坯枝晶间距的测定方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126992A (en) * 1977-04-12 1978-11-06 Nippon Steel Corp Discriminating method of casting structure by ultrasonic waves
JPS6113162A (ja) * 1984-06-28 1986-01-21 Konishiroku Photo Ind Co Ltd 生化学分析装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53126992A (en) * 1977-04-12 1978-11-06 Nippon Steel Corp Discriminating method of casting structure by ultrasonic waves
JPS6113162A (ja) * 1984-06-28 1986-01-21 Konishiroku Photo Ind Co Ltd 生化学分析装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155335A (ja) * 1982-03-12 1983-09-16 Tanaka Kikinzoku Kogyo Kk 金地金の判定方法
JPS6039553A (ja) * 1983-08-12 1985-03-01 Unyusho Senpaku Gijutsu Kenkyusho 鋼材に磁界を加えて、超音波減衰の変化を検出することにより鋼材の疲労度を測定する方法
WO2006045263A1 (de) * 2004-10-28 2006-05-04 Mannesmannröhren-Werke GmbH Verfahren und vorrichtung zur bestimmung der dicke eines prüfkörpers mittels zwei unterschiedlicher ultraschallmoden
JP2014055900A (ja) * 2012-09-13 2014-03-27 Plus Comfort Co Ltd 圧電材料の評価方法
CN111024741A (zh) * 2019-12-12 2020-04-17 首钢集团有限公司 一种硫系易切削钢连铸坯枝晶间距的测定方法

Also Published As

Publication number Publication date
JPS6229022B2 (enrdf_load_stackoverflow) 1987-06-24

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