WO2020201664A3 - Systeme utile pour evaluer l'endommagement d'une piece en materiau composite - Google Patents

Systeme utile pour evaluer l'endommagement d'une piece en materiau composite Download PDF

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Publication number
WO2020201664A3
WO2020201664A3 PCT/FR2020/050615 FR2020050615W WO2020201664A3 WO 2020201664 A3 WO2020201664 A3 WO 2020201664A3 FR 2020050615 W FR2020050615 W FR 2020050615W WO 2020201664 A3 WO2020201664 A3 WO 2020201664A3
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
composite material
evaluating
damage
advantageous system
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.)
Ceased
Application number
PCT/FR2020/050615
Other languages
English (en)
Other versions
WO2020201664A2 (fr
Inventor
Florent Georges Jean-Pierre BOUILLON
Patrick CAZABAT
Anne Bessette
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.)
Safran Ceramics SA
Original Assignee
Safran Ceramics 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 Safran Ceramics SA filed Critical Safran Ceramics SA
Publication of WO2020201664A2 publication Critical patent/WO2020201664A2/fr
Publication of WO2020201664A3 publication Critical patent/WO2020201664A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20—Investigating the presence of flaws

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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 Electric Means (AREA)

Abstract

L'invention concerne un système (1) utile pour évaluer l'endommagement d'une pièce (3) en matériau composite, comprenant au moins : - la pièce en matériau composite qui comprend un renfort fibreux densifié par une matrice ayant au moins une phase conductrice de l'électricité, - un dispositif de serrage (5) conducteur de l'électricité comprenant des conducteurs électriques (52a; 52b) enserrant la pièce, - un générateur électrique (7) relié aux conducteurs électriques et configuré pour faire circuler un courant électrique dans la pièce, et - une unité de traitement (9) reliée aux conducteurs électriques et configurée pour déterminer la résistance ou la résistivité de la pièce et pour comparer la résistance ou résistivité déterminée à une valeur prédéterminée.
PCT/FR2020/050615 2019-04-01 2020-03-20 Systeme utile pour evaluer l'endommagement d'une piece en materiau composite Ceased WO2020201664A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1903443A FR3094478B1 (fr) 2019-04-01 2019-04-01 Système utile pour évaluer l’endommagement d’une pièce en matériau composite
FR1903443 2019-04-01

Publications (2)

Publication Number Publication Date
WO2020201664A2 WO2020201664A2 (fr) 2020-10-08
WO2020201664A3 true WO2020201664A3 (fr) 2020-12-10

Family

ID=67514868

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2020/050615 Ceased WO2020201664A2 (fr) 2019-04-01 2020-03-20 Systeme utile pour evaluer l'endommagement d'une piece en materiau composite

Country Status (2)

Country Link
FR (1) FR3094478B1 (fr)
WO (1) WO2020201664A2 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR771305A (fr) * 1934-06-27 1934-10-04 Procédé pour la vérification de la qualité des soudures et appareils pour la mise en ceuvre de ce procédé
DE2905142A1 (de) * 1979-02-10 1980-08-14 Deta Akkumulatoren Verfahren und vorrichtung zur pruefung der relativen scherfestigkeit einer schweissverbindung zwischen bleiverbindern eines akkumulators
SU1696988A1 (ru) * 1988-10-25 1991-12-07 Специальное Конструкторское Бюро По Проектированию Приборов И Средств Автоматизации Емкостный датчик влажности листовых материалов
US6050136A (en) * 1997-04-16 2000-04-18 Paul E. Hawkinson Company Tire defect detection employing electrical arcing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525915A (en) * 1995-01-27 1996-06-11 Hi-Test Detection Instruments Ltd. Electrical conductivity tester for ropes
US20120235693A1 (en) * 2011-03-20 2012-09-20 Hong Feng Ceramic Crack Inspection
US9678029B2 (en) * 2014-08-22 2017-06-13 Honeywell International Inc. Oxidation catalyst detector for aircraft components

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR771305A (fr) * 1934-06-27 1934-10-04 Procédé pour la vérification de la qualité des soudures et appareils pour la mise en ceuvre de ce procédé
DE2905142A1 (de) * 1979-02-10 1980-08-14 Deta Akkumulatoren Verfahren und vorrichtung zur pruefung der relativen scherfestigkeit einer schweissverbindung zwischen bleiverbindern eines akkumulators
SU1696988A1 (ru) * 1988-10-25 1991-12-07 Специальное Конструкторское Бюро По Проектированию Приборов И Средств Автоматизации Емкостный датчик влажности листовых материалов
US6050136A (en) * 1997-04-16 2000-04-18 Paul E. Hawkinson Company Tire defect detection employing electrical arcing

Also Published As

Publication number Publication date
FR3094478A1 (fr) 2020-10-02
WO2020201664A2 (fr) 2020-10-08
FR3094478B1 (fr) 2021-03-19

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