FR2575290B1 - Dispositif de mesure pour determiner des fissures dans des echantillons - Google Patents

Dispositif de mesure pour determiner des fissures dans des echantillons

Info

Publication number
FR2575290B1
FR2575290B1 FR858518959A FR8518959A FR2575290B1 FR 2575290 B1 FR2575290 B1 FR 2575290B1 FR 858518959 A FR858518959 A FR 858518959A FR 8518959 A FR8518959 A FR 8518959A FR 2575290 B1 FR2575290 B1 FR 2575290B1
Authority
FR
France
Prior art keywords
samples
measuring device
determining cracks
cracks
determining
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
FR858518959A
Other languages
English (en)
Other versions
FR2575290A1 (fr
Inventor
Bernd Hofer
Samit Malek
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.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm 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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Publication of FR2575290A1 publication Critical patent/FR2575290A1/fr
Application granted granted Critical
Publication of FR2575290B1 publication Critical patent/FR2575290B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G01M11/086—Details about the embedment of the optical fiber within the DUT

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Laminated Bodies (AREA)
FR858518959A 1984-12-22 1985-12-20 Dispositif de mesure pour determiner des fissures dans des echantillons Expired FR2575290B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843447122 DE3447122A1 (de) 1984-12-22 1984-12-22 Messanordnung zum feststellen von rissen in prueflingen

Publications (2)

Publication Number Publication Date
FR2575290A1 FR2575290A1 (fr) 1986-06-27
FR2575290B1 true FR2575290B1 (fr) 1989-04-07

Family

ID=6253687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858518959A Expired FR2575290B1 (fr) 1984-12-22 1985-12-20 Dispositif de mesure pour determiner des fissures dans des echantillons

Country Status (5)

Country Link
US (1) US4772092A (fr)
JP (1) JPS61155802A (fr)
DE (1) DE3447122A1 (fr)
FR (1) FR2575290B1 (fr)
GB (1) GB2168806B (fr)

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US6763875B2 (en) 2002-02-06 2004-07-20 Andersen Corporation Reduced visibility insect screen
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US20040192129A1 (en) * 2003-03-31 2004-09-30 Mcgregor Gordon L. Insect screen with improved optical properties
US20040203303A1 (en) * 2003-03-31 2004-10-14 Mcgregor Gordon L. Durable insect screen with improved optical properties
US20040198115A1 (en) * 2003-03-31 2004-10-07 Mcgregor Gordon L. Insect screen with improved optical properties
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US20050146076A1 (en) * 2003-11-19 2005-07-07 Bogdanovich Alexander 3-D fabrics and fabric preforms for composites having integrated systems, devices, and/or networks
US7098444B2 (en) * 2004-01-09 2006-08-29 Beinhocker Gilbert D Tamper proof container
US7211783B2 (en) * 2004-01-09 2007-05-01 Tamperproof Container Licensing Corp. Tamper-proof container
US7189959B1 (en) * 2004-03-18 2007-03-13 Fiber Optic Systems Technology Fiber optic impact detection system
US7394060B2 (en) * 2004-05-03 2008-07-01 Tamperproof Container Licensing Corp. Tamper detection system having plurality of inflatable liner panels with optical couplers
US7482924B1 (en) 2004-11-05 2009-01-27 Tamper Proof Container Licensing Corp. Cargo container security system communications
US7608812B2 (en) * 2004-11-05 2009-10-27 Tamperproof Container Licensing Corp. Tamper detection system
US7332728B2 (en) * 2004-11-05 2008-02-19 Tamperproof Container Licensing Corp. Tamper-proof container
US7496249B2 (en) * 2005-12-29 2009-02-24 Intel Corporation Optical and/or electrical communications fabrics in circuit boards and/or other composite structures
US7619226B2 (en) * 2007-03-30 2009-11-17 Tamper Proof Container Licensing Corp. Integrated optical neutron detector
CA2699182A1 (fr) * 2007-09-11 2009-06-18 Tamper Proof Container Licensing Corp. Systeme de securite de conduite
GB0722319D0 (en) 2007-11-14 2007-12-27 Rolls Royce Plc Component monitoring arrangement
EP2112374B2 (fr) 2008-04-21 2018-10-17 Siemens Aktiengesellschaft Système de détection de fissures
US8883658B2 (en) * 2008-11-26 2014-11-11 Litwork, GmbH Translucent composite
WO2010135146A1 (fr) * 2009-05-18 2010-11-25 Tamperproof Container Licensing Corp. Système de détection de fuite nucléaire par liaison filaire ou par fibre optique
US8653971B2 (en) 2012-01-25 2014-02-18 3D Fuse Sarl Sensor tape for security detection and method of fabrication
US8971673B2 (en) 2012-01-25 2015-03-03 3D Fuse Sarl Sensor tape for security detection and method of fabrication
JP5878949B2 (ja) * 2014-03-18 2016-03-08 呂路可 光伝導管
DE102014224185A1 (de) * 2014-11-26 2016-06-02 Volkswagen Aktiengesellschaft Anordnung zur Detektion einer Überbelastung eines Bauteils aus einem Faserverbundwerkstoff
US9373234B1 (en) 2015-01-20 2016-06-21 3D Fuse Technology Inc. Security tape for intrusion/extrusion boundary detection
CN105259184B (zh) * 2015-11-24 2018-10-16 大连大学 隧道拱顶分布式光纤监测装置及其施工工艺与监测方法
US10712224B2 (en) * 2017-05-19 2020-07-14 The Trustees Of Columbia University In The City Of New York Integrated optical surveillance systems for changes in physical parameters
CN107984812A (zh) * 2017-12-29 2018-05-04 中冶建筑研究总院有限公司 复合光纤织物层、包含其的复合光纤片材和复合光纤胶带

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US4367460A (en) * 1979-10-17 1983-01-04 Henri Hodara Intrusion sensor using optic fiber
DE3218430A1 (de) * 1981-03-26 1983-11-17 Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen Messanordnung zum feststellen von rissen
US4629318A (en) * 1981-03-26 1986-12-16 Vfw Gmbh Measuring device for determining cracks
US4538527A (en) * 1981-10-09 1985-09-03 Pilkington P.E. Limited Security system
GB2124784B (en) * 1982-05-17 1985-10-09 Westland Plc Apparatus for detecting the onset of cracks or fractures
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EP0116685A1 (fr) * 1982-11-20 1984-08-29 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Dispositif optique de détection de fissures
EP0118698A3 (fr) * 1983-02-08 1985-03-13 Horst Klostermann Treillis de protection
DE3305234C2 (de) * 1983-02-16 1986-02-27 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Zugfester Draht aus einer faserverstärkten Harzstruktur mit mindestens einem darin eingeschlossenen Lichtwellenleiter
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US4581527A (en) * 1983-07-29 1986-04-08 The United States Of America As Represented By The Secretary Of The Navy Damage assessment system for composite plastic structures using fiber optics
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US4598975A (en) * 1983-10-03 1986-07-08 International Telephone And Telegraph Corporation Multiple fiber linear array and method of making same
US4537469A (en) * 1984-05-25 1985-08-27 Grumman Aerospace Corporation Multi-function composite material utilizing embedded optical fibers
US4636638A (en) * 1984-10-12 1987-01-13 The United States Of America As Represented By The Secretary Of The Navy Remote optical crack sensing system including fiberoptics
US4692610A (en) * 1986-01-30 1987-09-08 Grumman Aerospace Corporation Fiber optic aircraft load relief control system

Also Published As

Publication number Publication date
GB2168806A (en) 1986-06-25
FR2575290A1 (fr) 1986-06-27
DE3447122A1 (de) 1986-06-26
US4772092A (en) 1988-09-20
GB2168806B (en) 1989-06-07
JPS61155802A (ja) 1986-07-15
GB8531428D0 (en) 1986-02-05
JPH0376854B2 (fr) 1991-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse