EP0121655A3 - Fibre composite - Google Patents

Fibre composite Download PDF

Info

Publication number
EP0121655A3
EP0121655A3 EP84100476A EP84100476A EP0121655A3 EP 0121655 A3 EP0121655 A3 EP 0121655A3 EP 84100476 A EP84100476 A EP 84100476A EP 84100476 A EP84100476 A EP 84100476A EP 0121655 A3 EP0121655 A3 EP 0121655A3
Authority
EP
European Patent Office
Prior art keywords
composite material
fiber
individual layers
fiber composite
fibre 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Withdrawn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
EP84100476A
Other languages
German (de)
French (fr)
Other versions
EP0121655A2 (en
Inventor
Klaus Dipl.-Ing. Eggert
Manfred Dr.-Ing. Flemming
Siegfried Dipl.-Ing. Roth
Horst Dipl.-Ing. Schneider
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.)
Dornier GmbH
Original Assignee
Dornier GmbH
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 Dornier GmbH filed Critical Dornier GmbH
Publication of EP0121655A2 publication Critical patent/EP0121655A2/en
Publication of EP0121655A3 publication Critical patent/EP0121655A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/002—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using short elongated elements as dissipative material, e.g. metallic threads or flake-like particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/902—High modulus filament or fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/919—Camouflaged article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/67—Multiple nonwoven fabric layers composed of the same inorganic strand or fiber material

Abstract

Der Faserverbundwerkstoff besteht aus einzelnen Schichten übereinander angeordneter und durch eine, aus einem Harz und Härter bestehenden Matrix miteinander verbundener gerichteter Faserlagen, z. B. Glasfaserpre­ pregs, als tragende Struktur zur Absorption elektromagneti­ scher Wellen. Dazu sind in den einzelnen Schichten des Faserverbundwerkstoffes (7) Radarstrahlung absorbieren­ de Füllstoffe (10), z.B. Eisenpulver oder Ruß, mit von außen nach innen variierender Konzentration eingelagert. The fiber composite material consists of individual Layers arranged one above the other and by one a matrix consisting of resin and hardener connected directional fiber layers, e.g. B. glass fiber pre pregs, as a supporting structure for electromagnetic absorption shear waves. For this purpose, the individual layers of the Fiber composite material (7) absorb radar radiation de fillers (10), e.g. Iron powder or soot, with from the outside concentration inside.

EP84100476A 1983-03-01 1984-01-18 Fibre composite Withdrawn EP0121655A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3307066 1983-03-01
DE19833307066 DE3307066A1 (en) 1983-03-01 1983-03-01 MULTILAYER FIBER COMPOSITE

Publications (2)

Publication Number Publication Date
EP0121655A2 EP0121655A2 (en) 1984-10-17
EP0121655A3 true EP0121655A3 (en) 1986-04-16

Family

ID=6192110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84100476A Withdrawn EP0121655A3 (en) 1983-03-01 1984-01-18 Fibre composite

Country Status (4)

Country Link
US (1) US4581284A (en)
EP (1) EP0121655A3 (en)
JP (1) JPS59176035A (en)
DE (1) DE3307066A1 (en)

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DE3508888A1 (en) * 1985-03-13 1986-09-25 Battelle-Institut E.V., 6000 Frankfurt Thin-film absorber for electromagnetic waves
DE3534059C1 (en) * 1985-09-25 1990-05-17 Dornier Gmbh Fibre composite material
FR2689687B1 (en) * 1985-12-30 1994-09-02 Poudres & Explosifs Ste Nale Method of fixing an element absorbing electromagnetic waves on a wall of a structure or infrastructure.
US4726980A (en) * 1986-03-18 1988-02-23 Nippon Carbon Co., Ltd. Electromagnetic wave absorbers of silicon carbide fibers
JPS62265799A (en) * 1986-05-14 1987-11-18 横浜ゴム株式会社 Manufacture of multilayer wave absorber
JPS62257839A (en) * 1986-05-06 1987-11-10 町田　輝史 Fiber-reinforced plastic composite thin-board and molding method thereof
GB2192756A (en) * 1986-07-07 1988-01-20 Hoybond Limited Energy absorbing coatings and their use in camouflage
US5576710A (en) * 1986-11-25 1996-11-19 Chomerics, Inc. Electromagnetic energy absorber
US5325094A (en) * 1986-11-25 1994-06-28 Chomerics, Inc. Electromagnetic energy absorbing structure
US4851264A (en) * 1986-12-08 1989-07-25 Magneco/Metrel, Inc. Reinforcement of refractories by pore saturation with particulated fillers
US4888235A (en) * 1987-05-22 1989-12-19 Guardian Industries Corporation Improved non-woven fibrous product
FR2748719B1 (en) * 1987-06-26 1999-05-07 Aerospatiale LOW SIGNATURE RADAR BLADE
DE3722793A1 (en) * 1987-07-10 1989-01-19 Licentia Gmbh WHEEL ARM MATERIAL
US4940619A (en) * 1987-10-05 1990-07-10 Smith Novis W Jr Radiation absorption device
GB2234857B (en) * 1987-10-07 1992-05-20 Courtaulds Plc Microwave-absorbing materials
JPH01251698A (en) * 1987-11-28 1989-10-06 Toppan Printing Co Ltd Electromagnetic wave absorber element
US4818584A (en) * 1987-12-03 1989-04-04 General Dynamics Corp. Arresting delamination in composite laminate
EP0323826B1 (en) * 1988-01-05 1997-10-15 Nec Corporation Electromagnetic wave absorber
DE3818114A1 (en) * 1988-05-27 1989-11-30 Gruenzweig & Hartmann Montage ABSORBER FOR ELECTROMAGNETIC AND ACOUSTIC WAVES
FR2737347B1 (en) * 1988-11-17 1997-12-19 Alsthom Cge Alcatel STRUCTURE FOR THE ABSORPTION OF ELECTROMAGNETIC WAVES
DE3900857A1 (en) * 1989-01-13 1990-07-26 Messerschmitt Boelkow Blohm FACADE BUILDING OF BUILDINGS IN THERMAL INSULATION TRAINING AND METHOD FOR PRODUCING THERMAL INSULATION
DE3900856A1 (en) * 1989-01-13 1990-07-26 Messerschmitt Boelkow Blohm FACADE CONSTRUCTION OF BUILDINGS
CH679331A5 (en) * 1989-08-11 1992-01-31 Atlantis Energie Ag
DE3928018A1 (en) * 1989-08-24 1991-02-28 Gruenzweig & Hartmann METHOD FOR PRODUCING A SURFACE ELEMENT FOR ABSORPING ELECTROMAGNETIC SHAFTS
US5312678A (en) * 1989-10-06 1994-05-17 The Dow Chemical Company Camouflage material
DE3936291A1 (en) * 1989-11-01 1991-05-02 Herberts Gmbh MATERIAL WITH RADAR ABSORBING PROPERTIES AND THE USE THEREOF IN METHODS FOR CAMOUFLAGE AGAINST RADAR DETECTION
DE8915912U1 (en) * 1989-12-06 1992-02-06 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
DE4005676A1 (en) * 1990-02-22 1991-08-29 Buchtal Gmbh Radar wave absorber for building - uses ceramic plates attached to building wall with directly attached reflective layer
US5381149A (en) * 1992-04-17 1995-01-10 Hughes Aircraft Company Broadband absorbers of electromagnetic radiation based on aerogel materials, and method of making the same
US5474837A (en) * 1994-01-21 1995-12-12 The United States Government As Represented By The Secretary Of The Army Laminated paper glass camouflage
DE9408490U1 (en) * 1994-05-25 1995-09-28 Ernst Fehr Tech Vertretungen U Radiation shield protection pad
WO1996010278A1 (en) * 1994-09-28 1996-04-04 Anatoly Vasilievich Mareichev Material for protection against radiation
IT1274492B (en) * 1995-05-12 1997-07-17 Oto Melara Spa STRUCTURE OF COMPOSITE MATERIAL SUITABLE TO ABSORB AND DISSIPATE THE POWER OF THE INCIDENT ELECTROMAGNETIC RADIATION, IN PARTICULAR FOR MEANS OF AIR, SHIP, AND LAND TRANSPORT AND FOR STATIONARY LAND EQUIPMENT
US5552455A (en) * 1995-08-31 1996-09-03 Lockheed Corporation Radar absorbing material and process for making same
AU8583598A (en) * 1997-07-23 1999-02-16 Cuming Microwave Corporation Radar absorber and method of manufacture
FR2772520B1 (en) * 1997-12-11 2000-01-14 Giat Ind Sa RADAR WAVE ABSORBING COMPOSITE MATERIAL AND USE OF SUCH MATERIAL
JP3563260B2 (en) * 1998-03-02 2004-09-08 Ｔｄｋ株式会社 Chip impedance element
US20060007034A1 (en) * 2004-07-07 2006-01-12 Wen-Jang Yen Composite radar absorption structure with a thin shell type and method for manufacturing the same
US7212147B2 (en) * 2004-07-19 2007-05-01 Alan Ross Method of agile reduction of radar cross section using electromagnetic channelization
JP2010080911A (en) * 2008-04-30 2010-04-08 Tayca Corp Wide band electromagnetic wave absorbing material and method of manufacturing same
US20100258111A1 (en) * 2009-04-07 2010-10-14 Lockheed Martin Corporation Solar receiver utilizing carbon nanotube infused coatings
US9111658B2 (en) 2009-04-24 2015-08-18 Applied Nanostructured Solutions, Llc CNS-shielded wires
CN102461361A (en) * 2009-04-24 2012-05-16 应用纳米结构方案公司 Cnt-infused emi shielding composite and coating
AU2010245098B2 (en) * 2009-04-27 2014-11-13 Applied Nanostructured Solutions, Llc. CNT-based resistive heating for deicing composite structures
US20110089958A1 (en) * 2009-10-19 2011-04-21 Applied Nanostructured Solutions, Llc Damage-sensing composite structures
US9167736B2 (en) * 2010-01-15 2015-10-20 Applied Nanostructured Solutions, Llc CNT-infused fiber as a self shielding wire for enhanced power transmission line
JP2013521656A (en) 2010-03-02 2013-06-10 アプライド ナノストラクチャード ソリューションズ リミテッド ライアビリティー カンパニー Electrical device wound around spiral including carbon nanotube leaching electrode material, production method and production apparatus thereof
BR112012021634A2 (en) * 2010-03-02 2019-09-24 Applied Nanostructured Sols electrical devices containing infused carbon nanotube fibers and methods for reproducing them.
US8780526B2 (en) 2010-06-15 2014-07-15 Applied Nanostructured Solutions, Llc Electrical devices containing carbon nanotube-infused fibers and methods for production thereof
BR112012017246A2 (en) 2010-09-23 2016-03-22 Applied Nanostructured Solutins Llc cnt infused fiber as a self-shielded wire for enhanced power transmission line
US20130099956A1 (en) * 2011-10-24 2013-04-25 Lsi Corporation Apparatus to reduce specific absorption rate
US9033672B2 (en) * 2012-01-11 2015-05-19 General Electric Company Wind turbines and wind turbine rotor blades with reduced radar cross sections
US9085464B2 (en) 2012-03-07 2015-07-21 Applied Nanostructured Solutions, Llc Resistance measurement system and method of using the same
EP2833478A1 (en) * 2012-03-30 2015-02-04 Micromag 2000, S.L. Electromagnetic radiation attenuator
RU2578769C2 (en) * 2014-02-14 2016-03-27 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Device made of polymer composite materials for reducing radar visibility of different objects
US10351077B2 (en) * 2015-08-25 2019-07-16 Mazda Motor Corporation Vehicle member

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440655A (en) * 1966-02-26 1969-04-22 Electro Gmbh & Co Space absorbers for electromagnetic waves
DE1591244A1 (en) * 1967-10-28 1970-10-29 Kalle Ag Compound element with low reflection compared to microwaves
US4162496A (en) * 1967-04-03 1979-07-24 Rockwell International Corporation Reactive sheets

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE977522C (en) * 1957-01-15 1966-11-03 Eltro G M B H & Co Ges Fuer St Packaging material in the form of containers with interference absorption for electromagnetic waves
NL112646C (en) * 1958-12-04
US4186648A (en) * 1977-06-07 1980-02-05 Clausen Carol W Armor comprising ballistic fabric and particulate material in a resin matrix
DE3024888A1 (en) * 1980-07-01 1982-02-04 Bayer Ag, 5090 Leverkusen COMPOSITE MATERIAL FOR SHIELDING ELECTROMAGNETIC RADIATION
DE3117245A1 (en) * 1981-04-30 1982-11-18 Bayer Ag, 5090 Leverkusen Use of textile metallised pile materials as microwave absorbers
JPS58169997A (en) * 1982-03-31 1983-10-06 日本カ−ボン株式会社 Radio wave absorber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440655A (en) * 1966-02-26 1969-04-22 Electro Gmbh & Co Space absorbers for electromagnetic waves
US4162496A (en) * 1967-04-03 1979-07-24 Rockwell International Corporation Reactive sheets
DE1591244A1 (en) * 1967-10-28 1970-10-29 Kalle Ag Compound element with low reflection compared to microwaves

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZEITSCHRIFT FÜR ANGEWANDTE PHYSIK, Band 16, Nr. 3, 17. September 1963, Seiten 162-167; H.W. HELBERG et al.: "Ein Mehrschichtabsorber für elektromagnetische Zentimeterwellen" *

Also Published As

Publication number Publication date
US4581284A (en) 1986-04-08
JPS59176035A (en) 1984-10-05
DE3307066A1 (en) 1984-09-13
EP0121655A2 (en) 1984-10-17

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

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AK Designated contracting states

Designated state(s): FR GB IT

PUAL Search report despatched

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Designated state(s): FR GB IT

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Effective date: 19861015

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

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18D Application deemed to be withdrawn

Effective date: 19880802

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHNEIDER, HORST, DIPL.-ING.

Inventor name: ROTH, SIEGFRIED, DIPL.-ING.

Inventor name: FLEMMING, MANFRED, DR.-ING.

Inventor name: EGGERT, KLAUS, DIPL.-ING.