FR3077138B1 - NON-DESTRUCTIVE TESTING PROCESS FOR AN AERONAUTICAL PART - Google Patents

NON-DESTRUCTIVE TESTING PROCESS FOR AN AERONAUTICAL PART Download PDF

Info

Publication number
FR3077138B1
FR3077138B1 FR1850557A FR1850557A FR3077138B1 FR 3077138 B1 FR3077138 B1 FR 3077138B1 FR 1850557 A FR1850557 A FR 1850557A FR 1850557 A FR1850557 A FR 1850557A FR 3077138 B1 FR3077138 B1 FR 3077138B1
Authority
FR
France
Prior art keywords
projections
aeronautical part
factors
angles
destructive testing
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.)
Active
Application number
FR1850557A
Other languages
French (fr)
Other versions
FR3077138A1 (en
Inventor
Quispe Arturo Mendoza
Estelle Parra
Julien Schneider
Stephane Roux
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.)
Centre National de la Recherche Scientifique CNRS
Safran SA
Original Assignee
Centre National de la Recherche Scientifique CNRS
Safran SA
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 Centre National de la Recherche Scientifique CNRS, Safran SA filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR1850557A priority Critical patent/FR3077138B1/en
Priority to PCT/FR2019/050135 priority patent/WO2019145634A1/en
Publication of FR3077138A1 publication Critical patent/FR3077138A1/en
Application granted granted Critical
Publication of FR3077138B1 publication Critical patent/FR3077138B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/30—Accessories, mechanical or electrical features
    • G01N2223/33—Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts
    • G01N2223/3306—Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts object rotates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/615—Specific applications or type of materials composite materials, multilayer laminates

Landscapes

  • Theoretical Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

Procédé de contrôle non destructif pour une pièce aéronautique dans un dispositif de tomographie comportant un générateur et un détecteur de rayons X, le procédé comportant l'étape de : Détermination (E2) d'un nombre de projections de la pièce aéronautique à effectuer, chaque projection correspondant à un angle d'un premier ensemble d'angles échantillonnés de manière uniforme, et à un premier pas d'échantillonnage uniforme de détecteur, caractérisé en ce qu'il comporte des étapes de : Détermination (E1) de facteurs de forme de la pièce aéronautique, en fonction d'informations utiles de la pièce aéronautique, Identification (E3) de projections à effectuer, en fonction du nombre de projections et des facteurs de forme, et détermination d'un second ensemble d'angles échantillonnés de manière non uniforme, Acquisition (E4) des projections, selon le second ensemble d'angles et le premier pas d'échantillonnage, Ré-échantillonnage (E5) des projections, par transformation des projections selon des facteurs dépendant du nombre de projections et des facteurs de forme, puis ajustement des projections selon un second pas d'échantillonnage de détecteur dépendant du nombre de projections et des facteurs de forme, et Reconstruction (E6) d'une image 3D de la pièce aéronautique.Non-destructive testing method for an aeronautical part in a tomography device comprising a generator and an X-ray detector, the method comprising the step of: Determining (E2) a number of projections of the aeronautical part to be carried out, each projection corresponding to an angle of a first set of uniformly sampled angles, and to a first uniform detector sampling pitch, characterized in that it comprises steps of: Determination (E1) of form factors of the aeronautical part, according to useful information of the aeronautical part, Identification (E3) of projections to be carried out, according to the number of projections and the shape factors, and determination of a second set of angles sampled in a non uniform, Acquisition (E4) of the projections, according to the second set of angles and the first sampling step, Resampling (E5) of the projections, by transformation of the projections according to factors depending on the number of projections and on the form factors , then adjustment of the projections according to a second detector sampling step depending on the number of projections and the shape factors, and Reconstruction (E6) of a 3D image of the aeronautical part.

FR1850557A 2018-01-24 2018-01-24 NON-DESTRUCTIVE TESTING PROCESS FOR AN AERONAUTICAL PART Active FR3077138B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1850557A FR3077138B1 (en) 2018-01-24 2018-01-24 NON-DESTRUCTIVE TESTING PROCESS FOR AN AERONAUTICAL PART
PCT/FR2019/050135 WO2019145634A1 (en) 2018-01-24 2019-01-22 Non-destructive testing method for an aeronautical part

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1850557 2018-01-24
FR1850557A FR3077138B1 (en) 2018-01-24 2018-01-24 NON-DESTRUCTIVE TESTING PROCESS FOR AN AERONAUTICAL PART

Publications (2)

Publication Number Publication Date
FR3077138A1 FR3077138A1 (en) 2019-07-26
FR3077138B1 true FR3077138B1 (en) 2023-07-21

Family

ID=62816637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1850557A Active FR3077138B1 (en) 2018-01-24 2018-01-24 NON-DESTRUCTIVE TESTING PROCESS FOR AN AERONAUTICAL PART

Country Status (2)

Country Link
FR (1) FR3077138B1 (en)
WO (1) WO2019145634A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920491A (en) * 1988-05-16 1990-04-24 General Electric Company Enhancement of image quality by utilization of a priori information
GB2496126A (en) * 2011-10-31 2013-05-08 Univ Antwerpen Dynamic tomography angle selection using information function

Also Published As

Publication number Publication date
WO2019145634A1 (en) 2019-08-01
FR3077138A1 (en) 2019-07-26

Similar Documents

Publication Publication Date Title
US6208412B1 (en) Method and apparatus for determining optical quality
AU2011206927B2 (en) A computed tomography imaging process and system
CN103454495B (en) Self-adaptation high-precision fast spectral analytical approach
US10321114B2 (en) Testing 3D imaging systems
CN107677201B (en) Rapid tilt phase error compensation method and device based on wavefront rotation
RU2010152658A (en) PROCESSING IMAGE DATA
CN103760025A (en) Extensometer and measuring method thereof
CN103674963A (en) Tunnel detection device based on digital panoramic photography and detection method thereof
JP2011087814A5 (en)
EP3012576A1 (en) Measurement method, measurement device, measurement program, and computer-readable recording medium recording measurement program
CN102274040A (en) Post-processing method for removing ring artifacts in CT (computed tomography) image
Peng et al. A new method using orthogonal two-frequency grating in online 3D measurement
DE202012002375U1 (en) Device for optical coherence tomography
FR3077138B1 (en) NON-DESTRUCTIVE TESTING PROCESS FOR AN AERONAUTICAL PART
Hagen et al. Theoretical framework for spatial resolution in edge-illumination x-ray tomography
Jones et al. High-speed free-run ptychography at the Australian Synchrotron
CN103941093A (en) Double-direction DFT symmetric compensation phase measuring method and device
CN108398318B (en) Method and device for determining rock surface crack type and distribution based on digital image correlation technology
CN103405241A (en) Detector afterglow correction method for ray imaging
KR101077595B1 (en) Terahertz time domain spectral appatatus and image processing method for reducing sampling number
US20230351648A1 (en) A tomography system and a method for analysis of biological cells
JP2019164132A (en) GEOMETRIC ALIGNMENT, SAMPLE MOTION CORRECTION, AND INTENSITY NORMALIZATION OF COMPUTED TOMOGRAPHY PROJECTIONS USING π-LINE OPTIMIZATION
CN105115434A (en) In-situ measuring device of spacing and depth of V-shaped grooves of conductive rods
CN110969875B (en) Method and system for road intersection traffic management
CN105651173A (en) 3D measuring method and system

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20190726

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7