EP3583415A1 - Procédé pour l'évaluation d'un jeu de données de contrôle d'un contrôle ultrasonore - Google Patents

Procédé pour l'évaluation d'un jeu de données de contrôle d'un contrôle ultrasonore

Info

Publication number
EP3583415A1
EP3583415A1 EP18724481.9A EP18724481A EP3583415A1 EP 3583415 A1 EP3583415 A1 EP 3583415A1 EP 18724481 A EP18724481 A EP 18724481A EP 3583415 A1 EP3583415 A1 EP 3583415A1
Authority
EP
European Patent Office
Prior art keywords
ultrasonic
transceiver
ultraschallprüfköpfes
volume element
ultrasound
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.)
Withdrawn
Application number
EP18724481.9A
Other languages
German (de)
English (en)
Inventor
Hubert Mooshofer
Johannes Vrana
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.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP3583415A1 publication Critical patent/EP3583415A1/fr
Withdrawn legal-status Critical Current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
    • G01N29/043—Analysing solids in the interior, e.g. by shear 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/449—Statistical methods not provided for in G01N29/4409, e.g. averaging, smoothing and interpolation
    • 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
    • G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan
    • 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
    • G01N29/0654—Imaging
    • G01N29/069—Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
    • 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
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2456—Focusing probes
    • 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
    • G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8997—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using synthetic aperture techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • G01S7/52047—Techniques for image enhancement involving transmitter or receiver for elimination of side lobes or of grating lobes; for increasing resolving power
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/056—Angular incidence, angular propagation
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/101—Number of transducers one transducer
    • 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
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Definitions

  • the invention relates to a method for evaluating a test data record which has been determined by means of an ultrasonic test of an object. From the prior art it is known at a destruc ⁇ approximately free examination of an object by means of ultrasound (Ult ⁇ raschallisme) SAFT a method or a SAFT evaluation (synthetic aperture focusing technique abbreviated SAFT) to carry out.
  • SAFT synthetic aperture focusing technique
  • the ultra used here schallprüfkée have a unit which is at the same time being formed as a transmitting unit and receiving unit for ultrasonic ⁇ . In other words, transmission posi ⁇ tion and reception position here are always the same.
  • SAFT evaluation English: Synthetic Aperture
  • SAFT Focusing Technique
  • SE ultrasound probe a transceiver ultrasound probe with a separate transmitter unit and ultrasound receiver unit
  • SE probes have a different one from conventional probes having a single unit for transmitting and receiving Sound field characteristic on.
  • a TR probe substantially the areas of the sound field in the near field are ⁇ relationship, in a transition region between the near field and far field of the sound field arranged. In particular, this is emitted or collimated by means of the SE probe
  • the object of the present invention is based jetzu provide a SAFT analysis for test data of an SE probe ⁇ .
  • Probe was determined with the inventive method for evaluating a test data set of an ultrasonic examination of an object, wel ⁇ cher audit record by means of an ultrasonic transceiver, and includes at least a Volu ⁇ menelement of the object a plurality of time-dependent Ult ⁇ raschallamplitudensignalen; is a SAFT amplitude for the volume element by means of a summation of the ultr ⁇ sonic sound amplitude signals at the times, the times of the respective ultrasound amplitude associated Ult ⁇ raschalls from a transmitting unit of the transmitter-receiver ultrasonic test ⁇ head to the volume element back to a reception ⁇ unit of the transmitter-receiver Ultraschallprüfkmüs entspre ⁇ chen determined.
  • the transmitter-receiver Ultraschallprüfköpf ab ⁇ abbreviated to be called SE probe.
  • the method according to the invention enables a SAFT evaluation of the test data which was determined by means of the SE test head. This is the case because the spatial distance between the transmitting unit and the receiving unit according to the invention over the terms of the respective ultrasonic signal is taken into account.
  • the transmitting unit, the volume element and the Emp ⁇ capturing unit span a triangle, where the side of the transmitting unit to the volume element and the side length of the volume element to the receiving unit to define the respective running ⁇ times of the ultrasonic amplitude signals.
  • Zvi ⁇ rule takes into account the probe and the volume element, but also the distance between its transmitter unit and receiver unit.
  • the method according to the invention for ultrasonic testing of an object comprises the following steps:
  • Detecting at least one reflected time-dependent ultrasonic amplitude signal for each spatial position of the transceiver Ultraschallprüfköpfes means of a receiving unit of the transceiver Ultraschallprüfkmüs, wherein the detected ultrasonic amplitude signals form a test data record; - Evaluating the test data record by means of a method for evaluating the test data set of the ultrasonic testing of the object according to the present invention or one of its embodiments.
  • the SAFT amplitude A SAFT of the volume element by
  • the set of test results for each spatial position of the test head SE-iquess comprises (Prüfköpfposition) we ⁇ an ultrasound signal amplitude.
  • a plurality of ultrasonic amplitude signals for a probe head position may be provided.
  • the number of ultrasonic amplitudes present for the volume element is denoted by N in the above equation.
  • the geometric centroids mentioned are typically determined by an area of the transmitting unit or receiving unit, which is formed by a section parallel to an irradiation direction of the SE probe.
  • the section may extend through an axis of symmetry of the SE probe.
  • connection vector is formed by the two centroids. Consequently, its amount corresponds to the spatial distance of the two centroids.
  • the amount of Verbin ⁇ dung vector can thus be used as a measure of the spatial distance Zvi ⁇ rule the transmitting unit and the receiving unit. It is precisely this distance that characterizes an SE probe, so that the connection vector is particularly advantageous for determining the transit times.
  • the SE probe can be characterized by the connection vector.
  • the connection vector is perpendicular to a plane which corresponds to a symmetrical division of the SE test head (with respect to the geometric arrangement of the transmitting unit and the receiving unit).
  • connection vector is independent of a roof angle of the SE test head, that is to say an angle between the transmission unit and the reception unit.
  • roof angle influenced the be echoed by the TR probe sonic ⁇ field.
  • connection vector is perpendicular to a scanning direction in a two-dimensional SAFT method. This is therefore the case since in the ge ⁇ called direction of the opening angle of the sound field is magnification ⁇ ßert.
  • the above equation of the running distances can be derived by means of the connection vector. Furthermore, the test area of the object for the applicability of the above ⁇ equation should be approximately flat.
  • connection vector V is determined by means of an at least partial measurement of the transmitted from the transceiver Ultraschallprüfköpfes ⁇ sound field.
  • the sound field sounded in by the SE test head can be measured by a plurality of local measurements and thus approximately determined. From this, the spatial position of the transmitting unit and the Emp ⁇ capturing unit can then be derived. This makes it possible to deduce the connection vector between the transmitting unit and the receiving unit.
  • connection vector is determined by means of an at least partial simulation of the sound field emitted by the transceiver ultrasonic test head.
  • the determination of the vector connecting means of the partial measurement of the sound field and / or of the above simulation can be carried out advantageously in such a way that the Laufstre ⁇ CKEN D mk as exactly as possible reproduced while no value is placed on the correct reproduction of the actual distance between the transmitting unit and receiving unit.
  • the SE probe 4 in the figure comprises a transmitting unit 41 and a receiving unit 43.
  • the transmitting unit 41 is provided for sonicating an object 1.
  • the receiving unit is adapted to receive from the object 1 reflectors ⁇ oriented ultrasonic (echo). After a detection of the reflected ultrasound by means of the receiving unit 43, it is present in the form of time-dependent ultrasound amplitude signals, the majority of which form a test data set of the object 1.
  • the transmitting unit 41 and the receiving unit 43 are at an angle to each other, that is, the SE probe 4 has ei ⁇ nen roof angle.
  • a geometric centroid 430 of the transmitting unit 41 and a geometric centroid 431 of the receiving unit is indicated.
  • the two geometric centroids define a connection vector 413 that characterizes the SE probe 4.
  • the amount of the connection vector 413 corresponds to the distance of the two centroids 430, 431, that is, the spatial lent distance between the transmitting unit 41 and the receiving ⁇ unit 43rd
  • the object 1 is divided into a plurality of volume elements or decomposed. In the figure, only such a volume element 42 is illustrated.
  • connection vector 413 Another, last side of the spanned triangle is formed by the connection vector 413.
  • the lengths of the sides 412, 423 can be determined by the conjunction vector 413, so that the term Ultra ⁇ can be sound determined from the transmitting unit 41 to the volume element 42 and ⁇ back to the receiving unit 43 using the appropriate speed of sound. Such a transit time is determined for each ultrasound amplitude signal of the test data record.
  • the reconstructed SAFT amplitude A SAFT ( ⁇ : fc) of the Volumenelemen ⁇ tes 42 then results from a summation of the time-dependent ultrasonic amplitude signals to the above conces- impaired times.
  • the present invention thus provides a SAFT evaluation for an SE probe.
  • the SE probe can be characterized by a connection vector as defined in the present invention.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Probability & Statistics with Applications (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

L'invention concerne un procédé pour l'évaluation d'un jeu de données de contrôle d'un contrôle ultrasonore d'un objet (1), ledit jeu de données de contrôle ayant été déterminé au moyen d'une tête de contrôle ultrasonore émettrice - réceptrice (4) et comprenant, au moins pour un élément volumique (42) de l'objet (1), une multitude de signaux d'amplitudes ultrasonores dépendant du temps. Selon ledit procédé, une amplitude SAFT pour l'élément volumique (42) est déterminée au moyen d'une somme des signaux d'amplitudes ultrasonores à des intervalles de temps qui correspondent aux temps que met l'ultrason associé à l'amplitude ultrasonore respective pour aller d'une unité émettrice (41) de la tête de contrôle ultrasonore émettrice - réceptrice (4) jusqu'à l'élément volumique (42) et retourner à une unité réceptrice (43) de la tête de contrôle ultrasonore émettrice - réceptrice (4). La présente invention concerne également un procédé de contrôle ultrasonore d'un objet (1).
EP18724481.9A 2017-05-02 2018-04-25 Procédé pour l'évaluation d'un jeu de données de contrôle d'un contrôle ultrasonore Withdrawn EP3583415A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017207331.4A DE102017207331A1 (de) 2017-05-02 2017-05-02 Verfahren zur Auswertung eines Prüfdatensatzes einer Ultraschallprüfung
PCT/EP2018/060537 WO2018202485A1 (fr) 2017-05-02 2018-04-25 Procédé pour l'évaluation d'un jeu de données de contrôle d'un contrôle ultrasonore

Publications (1)

Publication Number Publication Date
EP3583415A1 true EP3583415A1 (fr) 2019-12-25

Family

ID=62165530

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18724481.9A Withdrawn EP3583415A1 (fr) 2017-05-02 2018-04-25 Procédé pour l'évaluation d'un jeu de données de contrôle d'un contrôle ultrasonore

Country Status (4)

Country Link
US (1) US20200088693A1 (fr)
EP (1) EP3583415A1 (fr)
DE (1) DE102017207331A1 (fr)
WO (1) WO2018202485A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019205584A1 (de) * 2019-04-17 2020-10-22 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Justierung und/oder Kalibrierung einer Ultraschallprüfung
DE102019205581A1 (de) * 2019-04-17 2020-10-22 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Ultraschallprüfung eines Objektes
CN110361453B (zh) * 2019-07-24 2021-09-14 四川幔壳科技有限公司 基于无损检测的阵列式异位接收超声波合成孔径聚焦方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6877376B1 (en) * 2002-01-08 2005-04-12 Battelle Memorial Institute Apparatus, systems, and methods for ultrasound synthetic aperature focusing
EP2120045A1 (fr) * 2008-05-16 2009-11-18 BAM Bundesanstalt für Materialforschung und -prüfung Dispositif et procédé destinés à la production d'une image à ultrasons par un reseau en phase

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7823454B2 (en) * 2006-11-29 2010-11-02 Babcock & Wilcox Technical Services Group, Inc. Ultrasonic inspection method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6877376B1 (en) * 2002-01-08 2005-04-12 Battelle Memorial Institute Apparatus, systems, and methods for ultrasound synthetic aperature focusing
EP2120045A1 (fr) * 2008-05-16 2009-11-18 BAM Bundesanstalt für Materialforschung und -prüfung Dispositif et procédé destinés à la production d'une image à ultrasons par un reseau en phase

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Fundamentals of Ultrasonic Phased Arrays", vol. 215, 14 August 2014, SPRINGER INTERNATIONAL PUBLISHING, Cham, ISBN: 978-3-319-07272-2, ISSN: 0925-0042, article SCHMERR LESTER W.: "Chapter 12: Imaging with Phased Arrays-An Introduction", pages: 241 - 277, XP055824890, DOI: 10.1007/978-3-319-07272-2_12 *
See also references of WO2018202485A1 *

Also Published As

Publication number Publication date
US20200088693A1 (en) 2020-03-19
DE102017207331A1 (de) 2018-11-08
WO2018202485A1 (fr) 2018-11-08

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