FR2556833B1 - APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS - Google Patents

APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS

Info

Publication number
FR2556833B1
FR2556833B1 FR8320353A FR8320353A FR2556833B1 FR 2556833 B1 FR2556833 B1 FR 2556833B1 FR 8320353 A FR8320353 A FR 8320353A FR 8320353 A FR8320353 A FR 8320353A FR 2556833 B1 FR2556833 B1 FR 2556833B1
Authority
FR
France
Prior art keywords
fractures
cracks
appearance
detecting
structural elements
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
FR8320353A
Other languages
French (fr)
Other versions
FR2556833A1 (en
Inventor
Alastair Alexander Brown
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.)
Westland Group PLC
Original Assignee
Westland PLC
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 Westland PLC filed Critical Westland PLC
Priority to FR8320353A priority Critical patent/FR2556833B1/en
Publication of FR2556833A1 publication Critical patent/FR2556833A1/en
Application granted granted Critical
Publication of FR2556833B1 publication Critical patent/FR2556833B1/en
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]
    • G01M11/085—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT] the optical fiber being on or near the surface of 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)
FR8320353A 1983-12-20 1983-12-20 APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS Expired FR2556833B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8320353A FR2556833B1 (en) 1983-12-20 1983-12-20 APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8320353A FR2556833B1 (en) 1983-12-20 1983-12-20 APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS

Publications (2)

Publication Number Publication Date
FR2556833A1 FR2556833A1 (en) 1985-06-21
FR2556833B1 true FR2556833B1 (en) 1986-04-11

Family

ID=9295337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8320353A Expired FR2556833B1 (en) 1983-12-20 1983-12-20 APPARATUS FOR DETECTING THE APPEARANCE OF CRACKS OR FRACTURES IN STRUCTURAL ELEMENTS AND MECHANICAL COMPONENTS

Country Status (1)

Country Link
FR (1) FR2556833B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2387374B (en) * 2002-04-12 2005-03-02 Bamford Excavators Ltd Detecting damage to a structural member
DK2112374T4 (en) 2008-04-21 2019-01-28 Siemens Ag Breakage detection system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2312993B1 (en) * 1973-03-15 1974-09-12 Alois Zettler Elektrotechnische Fabrik Gmbh, 8000 Muenchen Fire smoke detector
FR2246064B1 (en) * 1973-10-02 1977-09-23 Commissariat Energie Atomique
GB1570511A (en) * 1976-08-20 1980-07-02 Standard Telephones Cables Ltd Strain threshold alarm device

Also Published As

Publication number Publication date
FR2556833A1 (en) 1985-06-21

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Legal Events

Date Code Title Description
ST Notification of lapse