DK0895073T3 - Anordning til måling af en revne i et arbejdsstykke - Google Patents

Anordning til måling af en revne i et arbejdsstykke

Info

Publication number
DK0895073T3
DK0895073T3 DK98305791T DK98305791T DK0895073T3 DK 0895073 T3 DK0895073 T3 DK 0895073T3 DK 98305791 T DK98305791 T DK 98305791T DK 98305791 T DK98305791 T DK 98305791T DK 0895073 T3 DK0895073 T3 DK 0895073T3
Authority
DK
Denmark
Prior art keywords
crack
workpiece
measuring
Prior art date
Application number
DK98305791T
Other languages
Danish (da)
English (en)
Inventor
Roger David Tidswell
John Rayment Nicholls
Original Assignee
Univ Cranfield
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 Univ Cranfield filed Critical Univ Cranfield
Application granted granted Critical
Publication of DK0895073T3 publication Critical patent/DK0895073T3/da

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
    • G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
DK98305791T 1997-07-31 1998-07-21 Anordning til måling af en revne i et arbejdsstykke DK0895073T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9716216.8A GB9716216D0 (en) 1997-07-31 1997-07-31 Measuring device

Publications (1)

Publication Number Publication Date
DK0895073T3 true DK0895073T3 (da) 2002-02-18

Family

ID=10816776

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98305791T DK0895073T3 (da) 1997-07-31 1998-07-21 Anordning til måling af en revne i et arbejdsstykke

Country Status (8)

Country Link
US (1) US6172511B1 (de)
EP (1) EP0895073B1 (de)
JP (1) JPH1194787A (de)
DE (1) DE69802153T2 (de)
DK (1) DK0895073T3 (de)
ES (1) ES2165126T3 (de)
GB (1) GB9716216D0 (de)
PT (1) PT895073E (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20010673A1 (it) * 2001-07-10 2003-01-10 Uni Di Trento Dipartiment O Di Vetro con funzionalita' di sensore di frattura, di sforzo e deformazione e relativo metodo di realizzazione.
US7106215B2 (en) * 2004-02-10 2006-09-12 Marishak Jr Frank Ted Device for monitoring the integrity of spacecraft thermal protection tiles
JP4517073B2 (ja) * 2004-11-30 2010-08-04 独立行政法人産業技術総合研究所 損傷測定方法
US7185545B2 (en) * 2004-12-29 2007-03-06 General Electric Company Instrumentation and method for monitoring change in electric potential to detect crack growth
US7250311B2 (en) 2005-02-23 2007-07-31 International Business Machines Corporation Wirebond crack sensor for low-k die
US7950289B2 (en) 2006-02-03 2011-05-31 Bae Systems Plc Damage sensors
RU2452779C2 (ru) 2007-02-27 2012-06-10 Эксонмобил Апстрим Рисерч Компани Сварные конструкции из коррозионно-устойчивых сплавов в конструкциях из углеродистой стали и трубопроводах, выдерживающие высокие осевые пластические деформации
US20100042379A1 (en) * 2007-03-20 2010-02-18 Karel Minnaar Framework to Determine the Capacity of A Structure
WO2008115320A1 (en) * 2007-03-20 2008-09-25 Exxonmobil Upstream Research Company Method to measure tearing resistance
DE102010008397B4 (de) * 2010-02-12 2011-12-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sensorsystem zur Bestimmung der Ermüdung an metallischen Bauteilen
WO2018030997A1 (en) * 2016-08-09 2018-02-15 Fmc Technologies, Inc. Remotely accessible fatigue accumulation sensor and methods of accessing and using such a sensor
US11126764B2 (en) * 2018-10-01 2021-09-21 Palo Alto Research Center Incorporated Physics-based model particle-filtering framework for predicting RUL using resistance measurements
CN111337363B (zh) * 2020-03-30 2022-04-05 哈尔滨工程大学 一种热电材料性能测试的装置和方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255974A (en) * 1979-06-14 1981-03-17 Battelle Development Corporation Adherent crack gauge
US5227731A (en) * 1991-05-24 1993-07-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of continuously determining crack length
US5319982A (en) * 1992-07-01 1994-06-14 Tensiodyne Scientific, Inc. Device for monitoring the fatigue life of a structural member and a method of making same
US5528155A (en) * 1994-04-29 1996-06-18 Massachusetts Institute Of Technology Sensor for measuring material properties
US5680055A (en) * 1995-07-19 1997-10-21 Marquette University Method and apparatus to sense changes in the state of a resin bed
US5661406A (en) * 1995-09-27 1997-08-26 Leak Location Services, Inc. Methods for detecting and locating leaks in containment facilities using electrical potential data and electrical resistance tomographic imaging techniques

Also Published As

Publication number Publication date
EP0895073A3 (de) 1999-05-12
EP0895073A2 (de) 1999-02-03
DE69802153D1 (de) 2001-11-29
ES2165126T3 (es) 2002-03-01
JPH1194787A (ja) 1999-04-09
DE69802153T2 (de) 2002-07-18
PT895073E (pt) 2002-04-29
EP0895073B1 (de) 2001-10-24
US6172511B1 (en) 2001-01-09
GB9716216D0 (en) 1997-10-08

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