AU2001274910A1 - Chemically modified radar absorbing materials and an associated fabrication method - Google Patents

Chemically modified radar absorbing materials and an associated fabrication method

Info

Publication number
AU2001274910A1
AU2001274910A1 AU2001274910A AU7491001A AU2001274910A1 AU 2001274910 A1 AU2001274910 A1 AU 2001274910A1 AU 2001274910 A AU2001274910 A AU 2001274910A AU 7491001 A AU7491001 A AU 7491001A AU 2001274910 A1 AU2001274910 A1 AU 2001274910A1
Authority
AU
Australia
Prior art keywords
chemically modified
fabrication method
absorbing materials
radar absorbing
associated fabrication
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.)
Abandoned
Application number
AU2001274910A
Other languages
English (en)
Inventor
Douglas J. Peterman
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.)
Boeing Co
Original Assignee
Boeing Co
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 Boeing Co filed Critical Boeing Co
Publication of AU2001274910A1 publication Critical patent/AU2001274910A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/28—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • 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
    • H01Q17/004—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
AU2001274910A 2000-06-07 2001-05-22 Chemically modified radar absorbing materials and an associated fabrication method Abandoned AU2001274910A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09588892 2000-06-07
US09/588,892 US6486822B1 (en) 2000-06-07 2000-06-07 Chemically modified radar absorbing materials and an associated fabrication method
PCT/US2001/016701 WO2001095347A2 (fr) 2000-06-07 2001-05-22 Materiaux absorbant les ondes radar, modifies chimiquement, et procede de production associe

Publications (1)

Publication Number Publication Date
AU2001274910A1 true AU2001274910A1 (en) 2001-12-17

Family

ID=24355738

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001274910A Abandoned AU2001274910A1 (en) 2000-06-07 2001-05-22 Chemically modified radar absorbing materials and an associated fabrication method

Country Status (3)

Country Link
US (1) US6486822B1 (fr)
AU (1) AU2001274910A1 (fr)
WO (1) WO2001095347A2 (fr)

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US5958156A (en) * 1996-03-15 1999-09-28 Kemp Development Corporation Process for treating a particulate material within a rotating retort
US20030119406A1 (en) 2001-12-20 2003-06-26 Abuto Francis Paul Targeted on-line stabilized absorbent structures
US7462366B2 (en) * 2002-03-29 2008-12-09 Boston Scientific Scimed, Inc. Drug delivery particle
US8138673B1 (en) 2002-05-21 2012-03-20 Imaging Systems Technology Radiation shielding
US7553908B1 (en) 2003-01-30 2009-06-30 Prc Desoto International, Inc. Preformed compositions in shaped form comprising polymer blends
DK1618152T3 (da) * 2003-04-30 2009-01-12 Prc Desoto Int Inc Præformede EMI/RFI-afskærmningssammensætninger i formgivet form
US7612138B2 (en) * 2005-01-25 2009-11-03 International Technology Center Electromagnetic radiation attenuation
US8070988B2 (en) 2003-09-09 2011-12-06 International Technology Center Nano-carbon hybrid structures
US9296656B2 (en) 2003-09-09 2016-03-29 International Technology Center UV protective coatings
US20050245695A1 (en) * 2004-04-30 2005-11-03 Cosman Michael A Polymer blend and compositions and methods for using the same
US7834799B1 (en) 2008-05-23 2010-11-16 Composite Engineering, Inc. System and method for fabricating composite laminate structures with co-laminated radar absorbing material
WO2010042480A1 (fr) * 2008-10-06 2010-04-15 Flodesign Wind Turbine Corporation Eolienne présentant une signature radar réduite
US20110020110A1 (en) * 2008-10-06 2011-01-27 Flodesign Wind Turbine Corporation Wind turbine with reduced radar signature
CN105474461A (zh) * 2013-03-15 2016-04-06 伟创力有限责任公司 用于创建完全微波吸收表皮的方法和装置
CN103497558B (zh) * 2013-09-18 2016-08-17 南京航空航天大学 一种性能可调的雷达-红外兼容隐身材料及其制备方法
RU2627401C1 (ru) * 2016-03-22 2017-08-08 Акционерное общество "Научно-исследовательский институт Приборостроения имени В.В. Тихомирова" Полимерная композиция для поглощения высокочастотной энергии
RU2633903C1 (ru) * 2016-04-19 2017-10-19 Акционерное общество "Научно-исследовательский институт Приборостроения имени В.В. Тихомирова" Способ получения полимерной композиции для поглощения высокочастотной энергии
US11613624B2 (en) * 2019-11-07 2023-03-28 The Boeing Company Ceramic coated iron particles and methods for making ceramic coated particles
CN111748233A (zh) * 2020-07-21 2020-10-09 和爱电磁兼容科技(安徽)有限公司 一种低反射性吸波材料及其制备方法

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Publication number Priority date Publication date Assignee Title
US3938152A (en) 1963-06-03 1976-02-10 Mcdonnell Douglas Corporation Magnetic absorbers
US4006479A (en) 1969-02-04 1977-02-01 The United States Of America As Represented By The Secretary Of The Air Force Method for dispersing metallic particles in a dielectric binder
US4218507A (en) 1975-01-13 1980-08-19 Graham Magnetics, Inc. Coated particles and process of preparing same
US4092459A (en) 1975-01-13 1978-05-30 Graham Magnetics Incorporated Powder products
US4043846A (en) 1975-03-17 1977-08-23 Hitachi, Ltd. Method of producing ferromagnetic metal powder by gaseous reduction of silicon compound-coated raw material
US4002481A (en) 1975-04-09 1977-01-11 Hooker Chemicals & Plastics Corporation Composition for corrosion protection using metal silicides or alloys of silicon and metals
US4360384A (en) 1975-04-09 1982-11-23 Occidental Chemical Corporation Composition for corrosion protection using metal silicides or alloys of silicon and metals
US4474606A (en) 1980-04-03 1984-10-02 Occidental Chemical Corporation Composition for corrosion protection using metal silicides or alloys of silicon and metals
US4731191A (en) 1985-12-31 1988-03-15 Dow Corning Corporation Method for protecting carbonyl iron powder and compositions therefrom
JPH01247503A (ja) 1988-03-30 1989-10-03 Tdk Corp 磁性粒子およびその製造方法
US5407498A (en) 1990-01-18 1995-04-18 Kemp Development Corporation Mechanically fluidized retort and method for treating particles therein
US5866273A (en) 1990-03-20 1999-02-02 The Boeing Company Corrosion resistant RAM powder
US5147718A (en) 1990-04-24 1992-09-15 Isp Investments Inc. Radar absorber
FR2671798B1 (fr) 1991-01-21 1994-03-25 Propulsion Ste Europeenne Procede pour la protection anti-oxydation d'un materiau qui, au moins en surface, est constitue d'une ceramique formee par un compose du silicium, et materiau tel qu'obtenu par le procede.
US5552455A (en) 1995-08-31 1996-09-03 Lockheed Corporation Radar absorbing material and process for making same
US5759483A (en) 1996-03-15 1998-06-02 Kemp Development Corporation Apparatus for treating a particulate material within a rotating retort
US5958156A (en) 1996-03-15 1999-09-28 Kemp Development Corporation Process for treating a particulate material within a rotating retort
US5766544A (en) 1996-03-15 1998-06-16 Kemp Development Corporation Process for fluidizing particulate material within a rotatable retort
US6251337B1 (en) * 1999-09-13 2001-06-26 Acton Materials, Inc. Apparatus and method for treating a particulate material within a rotating retort

Also Published As

Publication number Publication date
WO2001095347A2 (fr) 2001-12-13
WO2001095347A3 (fr) 2002-03-28
US6486822B1 (en) 2002-11-26

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