WO2011072631A3 - Verfahren zur unterscheidung und identifikation von werkstücken aus ferromagnetischem werkstoff mittels zerstörungsfreier prüfung in einem magnetischen feld - Google Patents

Verfahren zur unterscheidung und identifikation von werkstücken aus ferromagnetischem werkstoff mittels zerstörungsfreier prüfung in einem magnetischen feld Download PDF

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Publication number
WO2011072631A3
WO2011072631A3 PCT/DE2010/001358 DE2010001358W WO2011072631A3 WO 2011072631 A3 WO2011072631 A3 WO 2011072631A3 DE 2010001358 W DE2010001358 W DE 2010001358W WO 2011072631 A3 WO2011072631 A3 WO 2011072631A3
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WO
WIPO (PCT)
Prior art keywords
test parameter
differentiating
magnetic field
parameter sets
ferromagnetic material
Prior art date
Application number
PCT/DE2010/001358
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English (en)
French (fr)
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WO2011072631A2 (de
Inventor
André Bergmann
Stefan Nitsche
Michael Kaack
Alexander Geringer
Original Assignee
V & M Deutschland Gmbh
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Publication date
Application filed by V & M Deutschland Gmbh filed Critical V & M Deutschland Gmbh
Publication of WO2011072631A2 publication Critical patent/WO2011072631A2/de
Publication of WO2011072631A3 publication Critical patent/WO2011072631A3/de

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    • 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
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9073—Recording measured data
    • G01N27/9086—Calibrating of recording device
    • 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
    • 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
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

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  • 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)

Abstract

Verfahren zur Unterscheidung und Identifikation von Werkstücken aus ferromagnetischem Werkstoff, bei dem das Werkstück mittels einer Spule in ein magnetisches Wechselfeld gebracht wird, wodurch in einer zweiten Spule eine Spannung induziert und bezüglich ihrer Amplitude und Phase ausgewertet wird und das Prüfergebnis mit in einem vorher durchgeführten Kalibrierungsprozess festgelegten Sortiergrenzen für Prüfteile jeweils gleichen Werkstoffes und gleicher Wärmebehandlung verglichen wird, wobei die Kalibrierung mit festgelegten Prüfparametersätzen aus Erreger- und Messfrequenz vorgenommen und für jeden Prüfparametersatz das Antwortsignal nach Amplitude und Phase ausgewertet und Klassen zugeordnet wird. Dabei werden bei der Kalibrierung die Messergebnisse aller verwendeten Prüfparametersätze über einen multivariaten Optimierungsalgorithmus in einem 2xn-dimensionalen Raum (n: Anzahl der Prüfparametersätze und n>2) simultan bewertet und die Zugehörigkeit zu einer Klasse wird über eine aus den Messwerten errechneten n-1dimensiona!en Hyperfläche als Trennfläche zwischen den Klassen angezeigt.
PCT/DE2010/001358 2009-12-18 2010-11-17 Verfahren zur unterscheidung und identifikation von werkstücken aus ferromagnetischem werkstoff mittels zerstörungsfreier prüfung WO2011072631A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009059092.7 2009-12-18
DE200910059092 DE102009059092B4 (de) 2009-12-18 2009-12-18 Verfahren zur Unterscheidung und Identifikation von Werkstücken aus ferromagnetischem Werkstoff mittels zerstörungsfreier Prüfung

Publications (2)

Publication Number Publication Date
WO2011072631A2 WO2011072631A2 (de) 2011-06-23
WO2011072631A3 true WO2011072631A3 (de) 2011-08-04

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PCT/DE2010/001358 WO2011072631A2 (de) 2009-12-18 2010-11-17 Verfahren zur unterscheidung und identifikation von werkstücken aus ferromagnetischem werkstoff mittels zerstörungsfreier prüfung

Country Status (2)

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DE (1) DE102009059092B4 (de)
WO (1) WO2011072631A2 (de)

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CN107607606A (zh) * 2017-08-09 2018-01-19 东北石油大学 结构钢牌号分选电化学方法及装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109163689B (zh) * 2018-09-04 2020-07-24 国网青海省电力公司检修公司 一种波纹管状态评价方法及装置
CN111036566B (zh) * 2019-12-30 2024-09-20 太仓市晨启电子精密机械有限公司 一种汽车单管的高温测试机

Citations (2)

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EP1701157A1 (de) * 2005-03-09 2006-09-13 General Electric Company Wirbelstromprüfverfahren und Prüfsystem mittels Mehrfrequenzanregung und Mehrfrequenzphasenanalyse
WO2008031387A1 (de) * 2006-09-12 2008-03-20 Mannesmann Dmv Stainless Gmbh Wirbelstrom-verfahren zur zerstörungsfreien qualitätskontrolle mechanisch verfestigter oberflächen austenitischer stahlrohre

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US5514337A (en) * 1994-01-11 1996-05-07 American Research Corporation Of Virginia Chemical sensor using eddy current or resonant electromagnetic circuit detection
AUPQ136299A0 (en) * 1999-07-02 1999-07-22 Microsystem Controls Pty Ltd Coin validation
DE102004051124B3 (de) * 2004-10-18 2005-12-15 V&M Deutschland Gmbh Verfahren zur Einzelstückverfolgung metallischer Hohlkörper
NZ550317A (en) * 2007-01-04 2008-10-31 Carter Holt Harvey Pulp & Pape In production accessment of fibre cement properties by multivariate analysis of near infra-red spectra

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
EP1701157A1 (de) * 2005-03-09 2006-09-13 General Electric Company Wirbelstromprüfverfahren und Prüfsystem mittels Mehrfrequenzanregung und Mehrfrequenzphasenanalyse
WO2008031387A1 (de) * 2006-09-12 2008-03-20 Mannesmann Dmv Stainless Gmbh Wirbelstrom-verfahren zur zerstörungsfreien qualitätskontrolle mechanisch verfestigter oberflächen austenitischer stahlrohre

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FOERSTER GROUP: "Magnatest ECM compact edition", 1 March 2009 (2009-03-01), XP002638375 *
HORNER G: "SIGNALVERARBEITUNG BEI CHEMOSENSORARRAYS", TECHNISCHES MESSEN TM, R.OLDENBOURG VERLAG. MUNCHEN, DE, vol. 62, no. 4, 1 April 1995 (1995-04-01), pages 166 - 172, XP000516380, ISSN: 0171-8096 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107607606A (zh) * 2017-08-09 2018-01-19 东北石油大学 结构钢牌号分选电化学方法及装置
CN107607606B (zh) * 2017-08-09 2019-07-02 东北石油大学 结构钢牌号分选电化学方法及装置

Also Published As

Publication number Publication date
DE102009059092A1 (de) 2011-07-14
WO2011072631A2 (de) 2011-06-23
DE102009059092B4 (de) 2012-03-01

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