EP1725859A4 - Procede et appareil de controle de la sante de materiaux composites - Google Patents

Procede et appareil de controle de la sante de materiaux composites

Info

Publication number
EP1725859A4
EP1725859A4 EP05723488A EP05723488A EP1725859A4 EP 1725859 A4 EP1725859 A4 EP 1725859A4 EP 05723488 A EP05723488 A EP 05723488A EP 05723488 A EP05723488 A EP 05723488A EP 1725859 A4 EP1725859 A4 EP 1725859A4
Authority
EP
European Patent Office
Prior art keywords
composite materials
monitoring method
heath monitoring
heath
composite
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.)
Withdrawn
Application number
EP05723488A
Other languages
German (de)
English (en)
Other versions
EP1725859A2 (fr
Inventor
Kenneth S Watkins Jr
Shelby J Morris
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.)
Polymer Aging Concepts Inc
Original Assignee
Polymer Aging Concepts Inc
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 Polymer Aging Concepts Inc filed Critical Polymer Aging Concepts Inc
Publication of EP1725859A2 publication Critical patent/EP1725859A2/fr
Publication of EP1725859A4 publication Critical patent/EP1725859A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/44—Resins; Plastics; Rubber; Leather
    • G01N33/442—Resins; Plastics
    • 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
    • G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
EP05723488A 2004-02-24 2005-02-23 Procede et appareil de controle de la sante de materiaux composites Withdrawn EP1725859A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54732704P 2004-02-24 2004-02-24
PCT/US2005/005604 WO2005081930A2 (fr) 2004-02-24 2005-02-23 Procede et appareil de controle de la sante de materiaux composites

Publications (2)

Publication Number Publication Date
EP1725859A2 EP1725859A2 (fr) 2006-11-29
EP1725859A4 true EP1725859A4 (fr) 2007-10-17

Family

ID=34910886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05723488A Withdrawn EP1725859A4 (fr) 2004-02-24 2005-02-23 Procede et appareil de controle de la sante de materiaux composites

Country Status (2)

Country Link
EP (1) EP1725859A4 (fr)
WO (1) WO2005081930A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7659728B1 (en) 2006-08-23 2010-02-09 Watkins Jr Kenneth S Method and apparatus for measuring degradation of insulation of electrical power system devices
US7612325B1 (en) 2007-08-22 2009-11-03 Watkins Jr Kenneth S Electrical sensor for monitoring degradation of products from environmental stressors
DE102011115812B4 (de) * 2011-10-13 2016-08-11 Bayern-Chemie Gesellschaft Für Flugchemische Antriebe Mbh Verfahren zur Lebensdauerüberwachung von Raketen und Begleitprobe zur Durchführung desselben
FR3038710B1 (fr) * 2015-07-10 2021-05-28 Cpc Tech Capteur d'une caracteristique physique, comportant de preference une structure multicouches
US11001134B2 (en) 2015-12-07 2021-05-11 Dana Heavy Vehicle Systems Group, Llc Distributed drivetrain architectures for commercial vehicles with a hybrid electric powertrain and dual range disconnect axles
JP2019515827A (ja) 2016-03-28 2019-06-13 ダナ ヘビー ビーイクル システィムズ グループ、エルエルシー 複数のギア比を有するシングル電動モータドライブアクスル
IL247408B (en) 2016-08-21 2018-03-29 Elbit Systems Ltd A system and method for identifying weaknesses in the adhesion between structural elements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111025A (en) * 1990-02-09 1992-05-05 Raychem Corporation Seat heater
US5554679A (en) * 1994-05-13 1996-09-10 Cheng; Tai C. PTC conductive polymer compositions containing high molecular weight polymer materials
US6063486A (en) * 1996-12-10 2000-05-16 Tdk Corporation Moisture sensor comprising conductive particles and a hygroscopic polymer of polyvinyl alcohol
US6491849B1 (en) * 2001-01-22 2002-12-10 General Cable Technologies Corp. High performance power cable shield

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000356660A (ja) * 1999-06-15 2000-12-26 Toshiba Corp 絶縁物の劣化状態診断方法
AU2003225688A1 (en) * 2002-03-06 2003-09-22 Bpw, Inc. An electrical condition monitoring method for polymers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111025A (en) * 1990-02-09 1992-05-05 Raychem Corporation Seat heater
US5554679A (en) * 1994-05-13 1996-09-10 Cheng; Tai C. PTC conductive polymer compositions containing high molecular weight polymer materials
US6063486A (en) * 1996-12-10 2000-05-16 Tdk Corporation Moisture sensor comprising conductive particles and a hygroscopic polymer of polyvinyl alcohol
US6491849B1 (en) * 2001-01-22 2002-12-10 General Cable Technologies Corp. High performance power cable shield

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005081930A2 *

Also Published As

Publication number Publication date
WO2005081930A2 (fr) 2005-09-09
WO2005081930A3 (fr) 2006-03-09
EP1725859A2 (fr) 2006-11-29

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060922

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

A4 Supplementary search report drawn up and despatched

Effective date: 20070914

RIC1 Information provided on ipc code assigned before grant

Ipc: G01N 33/44 20060101ALI20070910BHEP

Ipc: H01B 1/20 20060101AFI20070910BHEP

Ipc: G01N 27/04 20060101ALI20070910BHEP

Ipc: G01N 17/00 20060101ALI20070910BHEP

17Q First examination report despatched

Effective date: 20090226

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100901