GB1380887A - Magnetic powder testing of ferromagnetic bodies - Google Patents

Magnetic powder testing of ferromagnetic bodies

Info

Publication number
GB1380887A
GB1380887A GB44473A GB44473A GB1380887A GB 1380887 A GB1380887 A GB 1380887A GB 44473 A GB44473 A GB 44473A GB 44473 A GB44473 A GB 44473A GB 1380887 A GB1380887 A GB 1380887A
Authority
GB
United Kingdom
Prior art keywords
defects
billet
defect
length
image
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
Application number
GB44473A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1380887A publication Critical patent/GB1380887A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
    • G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth 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 Magnetic Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB44473A 1972-02-26 1973-01-03 Magnetic powder testing of ferromagnetic bodies Expired GB1380887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2209146A DE2209146A1 (de) 1972-02-26 1972-02-26 Verfahren zur pruefung ferromagnetischer koerper wie halbzeug und massenteile nach dem magnetpulververfahren

Publications (1)

Publication Number Publication Date
GB1380887A true GB1380887A (en) 1975-01-15

Family

ID=5837195

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44473A Expired GB1380887A (en) 1972-02-26 1973-01-03 Magnetic powder testing of ferromagnetic bodies

Country Status (5)

Country Link
US (1) US3825821A (enExample)
DE (1) DE2209146A1 (enExample)
FR (1) FR2173623A5 (enExample)
GB (1) GB1380887A (enExample)
SE (1) SE386743B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104390988A (zh) * 2014-11-28 2015-03-04 中国科学院合肥物质科学研究院 一种针对火车轮高曲率强反射特性的多目全表面检测装置
CN119000855A (zh) * 2024-08-14 2024-11-22 江苏格莱瑞锻造有限公司 一种锻件磁粉探伤装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983371A (en) * 1975-01-06 1976-09-28 Gte Sylvania Incorporated Apparatus and method for determining the proportion of defective wire in a length of moving wire
US4207593A (en) * 1976-07-31 1980-06-10 Karl Deutsch Pruf- Und Messgeratebau Gmbh & Co. Kg Method and apparatus for the automatic recognition and evaluation of optical crack indications on the surface of workpieces
DE2648694C3 (de) * 1976-10-27 1986-05-28 Institut Dr. Friedrich Förster Prüfgerätebau GmbH & Co KG, 7410 Reutlingen Verfahren und Einrichtung zum Prüfen von Halbzeug
JPS57104854A (en) * 1980-12-22 1982-06-30 Hoxan Corp Magnetic powder flaw detector
DE3208041C2 (de) * 1982-03-05 1983-12-29 Feldmühle AG, 4000 Düsseldorf Verfahren zum Prüfen von ferromagnetischen, magnetisierten Werkstücken
DE3234616A1 (de) * 1982-03-22 1983-09-29 Mecapec S.A., 8716 Schmerikon Verfahren und einrichtung zur magnetischen materialfehlerdetektion
US4930026A (en) * 1986-10-16 1990-05-29 Kljuev Vladimir V Flaw detector for magnetographic quality inspection
JPH0443784A (ja) * 1990-06-11 1992-02-13 Matsushita Electric Ind Co Ltd 磁気記録信号測定方法及び装置
US6909988B2 (en) * 2002-10-15 2005-06-21 General Electric Company Method for positioning defects in metal billets
DE20306789U1 (de) * 2003-04-30 2003-09-04 Tiede GmbH + Co Rissprüfanlagen, 73457 Essingen Handlampe, insbesondere für die magnetische Rißprüfung
DE102007024060A1 (de) * 2007-05-22 2008-11-27 Illinois Tool Works Inc., Glenview Vorrichtung und Verfahren zur Prüfmittel-Kontrolle
CN105352977B (zh) * 2015-11-06 2018-09-04 苏州磁星检测设备有限公司 自动化探伤检测线及检测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798966A (en) * 1955-11-23 1957-07-09 Gen Electric Surface inspection equipment
US3073212A (en) * 1957-08-14 1963-01-15 Magnaflux Corp Optical apparatus for inspecting magnetic particle concentrations
BE624777A (enExample) * 1960-06-21
NL275008A (enExample) * 1961-02-21
US3480855A (en) * 1967-04-10 1969-11-25 Magnaflux Corp Image dissector system having pattern rotation means
DE1946510A1 (de) * 1969-09-13 1971-03-18 Friedrich Dr Foerster Anlage zur automatischen Beseitung von Fehlern in Halbzeug aus metallischen Werkstoffen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104390988A (zh) * 2014-11-28 2015-03-04 中国科学院合肥物质科学研究院 一种针对火车轮高曲率强反射特性的多目全表面检测装置
CN119000855A (zh) * 2024-08-14 2024-11-22 江苏格莱瑞锻造有限公司 一种锻件磁粉探伤装置

Also Published As

Publication number Publication date
SE386743B (sv) 1976-08-16
FR2173623A5 (enExample) 1973-10-05
US3825821A (en) 1974-07-23
DE2209146A1 (de) 1973-08-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee