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GB2218813B - A fibre reinforced structural member - Google Patents

A fibre reinforced structural member

Info

Publication number
GB2218813B
GB2218813B GB8906378A GB8906378A GB2218813B GB 2218813 B GB2218813 B GB 2218813B GB 8906378 A GB8906378 A GB 8906378A GB 8906378 A GB8906378 A GB 8906378A GB 2218813 B GB2218813 B GB 2218813B
Authority
GB
United Kingdom
Prior art keywords
structural member
fibre reinforced
reinforced structural
fibre
structural
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 - Lifetime
Application number
GB8906378A
Other versions
GB2218813A (en
GB8906378D0 (en
Inventor
Christian Baron
Karl Schulte
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsches Zentrum fuer Luft und Raumfahrt eV
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 Deutsches Zentrum fuer Luft und Raumfahrt eV filed Critical Deutsches Zentrum fuer Luft und Raumfahrt eV
Publication of GB8906378D0 publication Critical patent/GB8906378D0/en
Publication of GB2218813A publication Critical patent/GB2218813A/en
Application granted granted Critical
Publication of GB2218813B publication Critical patent/GB2218813B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0083—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by measuring variation of impedance, e.g. resistance, capacitance, induction
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Reinforced Plastic Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Resistance Heating (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
GB8906378A 1988-04-20 1989-03-20 A fibre reinforced structural member Expired - Lifetime GB2218813B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883813150 DE3813150A1 (en) 1988-04-20 1988-04-20 FORM PIECE REINFORCED WITH CARBON FIBERS

Publications (3)

Publication Number Publication Date
GB8906378D0 GB8906378D0 (en) 1989-05-04
GB2218813A GB2218813A (en) 1989-11-22
GB2218813B true GB2218813B (en) 1992-08-19

Family

ID=6352401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906378A Expired - Lifetime GB2218813B (en) 1988-04-20 1989-03-20 A fibre reinforced structural member

Country Status (3)

Country Link
DE (1) DE3813150A1 (en)
FR (1) FR2630545A1 (en)
GB (1) GB2218813B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213884A1 (en) * 1992-04-28 1993-11-04 Hauni Werke Koerber & Co Kg Monitoring wear or likelihood of fracture of vibrating leaf springs for cigarette cutting machine - passing measurement current between contacts on spring contg. electrically conductive reinforcing fibres and sensing voltage change as indicative of rupture.
GB2269672B (en) * 1992-08-14 1995-10-25 British Aerospace A detecting apparatus
GB9904825D0 (en) * 1999-03-04 1999-04-28 Rock Mechanics Technology Ltd Improvements in or relating to the monitoring of reinforcing tendons
DE19945558A1 (en) * 1999-09-23 2001-03-29 Daimler Chrysler Ag Method for determining or checking material characteristics of a component
DE102004008432B4 (en) * 2004-02-19 2015-05-28 Hottinger Baldwin Messtechnik Gmbh Strain gauges for detecting strains or compressions on deformation bodies
DE102005003371A1 (en) * 2005-01-24 2006-08-03 Kiersch Composite Gmbh Arrangement for generating an electric current flow through carbon fibers
GB0513496D0 (en) * 2005-06-30 2006-03-29 Bae Systems Plc Fibre materials
GB0812483D0 (en) 2008-07-08 2009-01-07 Bae Systems Plc Electrical Circuit Assemblies and Structural Components Incorporating same
FR2948770B1 (en) * 2009-07-31 2011-10-07 Airbus Operations Sas METHOD FOR ELECTRICALLY CHARACTERIZING COMPOSITE MATERIAL FOR MANUFACTURING AN AIRCRAFT
DE102011107576A1 (en) 2011-07-16 2013-01-17 Tobias Müller Sensor support of e.g. piezoresistive strain gauge sensors, installed at pressure tank, has several support structures provided with electrical contact points that are connected by synthetic fiber
DE102014103219B4 (en) * 2014-03-11 2016-09-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method and device for determining fiber orientation
DE102015109705A1 (en) * 2015-06-17 2016-12-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. , Examination method for components made of a fiber composite material and measuring arrangement on a component made of a fiber composite material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004209A1 (en) * 1986-01-03 1987-07-16 Lutz Franke Measuring device, reinforcement rod, process for detecting mechanical defects in fiber composite building elements and application of the process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112183A1 (en) * 1981-03-27 1982-10-14 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Method for detecting the formation of cracks or craters in solid materials
GB2180940B (en) * 1985-09-28 1989-09-20 Ford Motor Co Detecting damage in composite materials
DE3622656C1 (en) * 1986-07-05 1987-10-15 Dornier Gmbh Damage assessment for fiber composite materials

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004209A1 (en) * 1986-01-03 1987-07-16 Lutz Franke Measuring device, reinforcement rod, process for detecting mechanical defects in fiber composite building elements and application of the process

Also Published As

Publication number Publication date
FR2630545A1 (en) 1989-10-27
DE3813150C2 (en) 1991-11-14
DE3813150A1 (en) 1989-11-09
GB2218813A (en) 1989-11-22
GB8906378D0 (en) 1989-05-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930320