AU2003236913A1 - Composite material for acoustic damping - Google Patents

Composite material for acoustic damping

Info

Publication number
AU2003236913A1
AU2003236913A1 AU2003236913A AU2003236913A AU2003236913A1 AU 2003236913 A1 AU2003236913 A1 AU 2003236913A1 AU 2003236913 A AU2003236913 A AU 2003236913A AU 2003236913 A AU2003236913 A AU 2003236913A AU 2003236913 A1 AU2003236913 A1 AU 2003236913A1
Authority
AU
Australia
Prior art keywords
composite material
acoustic damping
acoustic
damping
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.)
Abandoned
Application number
AU2003236913A
Other versions
AU2003236913A8 (en
Inventor
Andrew Farquhar Atkins
Geoffrey Miles Cumner
Roger Davidson
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.)
Siemens Magnet Technology Ltd
Crompton Technology Group Ltd
Original Assignee
Oxford Magnet Technology Ltd
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 Oxford Magnet Technology Ltd filed Critical Oxford Magnet Technology Ltd
Publication of AU2003236913A8 publication Critical patent/AU2003236913A8/en
Publication of AU2003236913A1 publication Critical patent/AU2003236913A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/003—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised by the matrix material, e.g. material composition or physical properties
    • B29C70/0035—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised by the matrix material, e.g. material composition or physical properties comprising two or more matrix materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/14—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
    • F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
    • F16F3/087—Units comprising several springs made of plastics or the like material
    • F16F3/093—Units comprising several springs made of plastics or the like material the springs being of different materials, e.g. having different types of rubber
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/165—Particles in a matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0001—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties
    • B29K2995/0002—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B32B2260/023—Two or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/02—Materials; Material properties solids
    • F16F2224/0241—Fibre-reinforced plastics [FRP]
AU2003236913A 2002-07-19 2003-06-26 Composite material for acoustic damping Abandoned AU2003236913A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0216849A GB2390999B (en) 2002-07-19 2002-07-19 Composite material for acoustic damping
GB0216849.0 2002-07-19
PCT/GB2003/002719 WO2004009924A1 (en) 2002-07-19 2003-06-26 Composite material for acoustic damping

Publications (2)

Publication Number Publication Date
AU2003236913A8 AU2003236913A8 (en) 2004-02-09
AU2003236913A1 true AU2003236913A1 (en) 2004-02-09

Family

ID=9940808

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003236913A Abandoned AU2003236913A1 (en) 2002-07-19 2003-06-26 Composite material for acoustic damping

Country Status (3)

Country Link
AU (1) AU2003236913A1 (en)
GB (1) GB2390999B (en)
WO (1) WO2004009924A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2422905B (en) 2005-02-04 2007-02-14 Siemens Magnet Technology Ltd Material for electrical isolation and vibro-acoustic performance
DE102006019421B4 (en) 2006-04-26 2012-01-12 Siemens Ag magnetic resonance apparatus
US8529911B2 (en) 2006-07-07 2013-09-10 Intercell Austria Ag Small Streptococcus pyogenes antigens and their use
US9511571B2 (en) 2007-01-23 2016-12-06 The Boeing Company Composite laminate having a damping interlayer and method of making the same
GB2466792B (en) * 2009-01-07 2014-10-15 Hexcel Composites Ltd Improved composite materials
US8425710B2 (en) 2009-03-13 2013-04-23 The Boeing Company Automated placement of vibration damping materials
US8796164B2 (en) * 2010-12-28 2014-08-05 Cytec Technology Corp. Multilayer and composition gradient structures with improved damping properties
DE102015207335A1 (en) * 2015-04-22 2016-09-29 Siemens Healthcare Gmbh Receiving device for damping a vibration and / or sound and manufacturing method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100155A (en) * 1979-01-26 1980-07-30 Toho Beslon Co Thermal incorporating laminated structure
US4892774A (en) * 1988-01-07 1990-01-09 General Electric Company Interleafed fiber-reinforced thermoplastic composite
DE69131081T2 (en) * 1990-01-26 1999-12-23 Nec Corp Fiber reinforced composite
US5098778A (en) * 1990-04-24 1992-03-24 General Electric Company Plastic based laminates comprising outer fiber-reinforced thermoset sheets, lofted fiber-reinforced thermoplastic sheets and a foam core layer
JPH079605A (en) * 1993-06-28 1995-01-13 Unitika Ltd Damping composite material and production thereof
IT1319215B1 (en) * 2000-10-16 2003-09-26 Industrialesud Spa MULTI-LAYER PRODUCT, ITS USE FOR THE REALIZATION OF LIGHTWEIGHT, SOUND-ABSORBING, SELF-SUPPORTING AND OBTAINABLE ITEMS WITH THE SAID

Also Published As

Publication number Publication date
GB2390999B (en) 2005-07-20
GB0216849D0 (en) 2002-08-28
GB2390999A (en) 2004-01-28
AU2003236913A8 (en) 2004-02-09
WO2004009924A1 (en) 2004-01-29

Similar Documents

Publication Publication Date Title
GB2401346B (en) A structural composite material for acoustic damping
AU2003300910A1 (en) Composite elastic material
AU2003290896A1 (en) Acoustic web
AU2002367418A1 (en) Sound absorbing article
AU2003229963A1 (en) Transducer
AU2003294140A1 (en) Acoustic actuators
AU2003273745A1 (en) Composite material
AU2003303679A1 (en) Polymerizable composite material
AU2003302456A1 (en) Composite vibration damper
AU2003236913A1 (en) Composite material for acoustic damping
AU2003281669A1 (en) Composite material
AU2003300777A1 (en) Improved laminated composite material
AU2003240396A1 (en) Composite plate
AU2003267661A1 (en) Composite materials
AU2003235795A1 (en) Laminated material
AU2003245092A1 (en) Sound-absorbing material
AU2003271088A1 (en) Vibration absorption mount material
AU2003257312A1 (en) Composite structural member
AU2003286264A1 (en) Rigid composite structure
AU2002336992A1 (en) Damping material
AU2003219322A1 (en) Composite structures
AU2003240697A1 (en) Acoustic horn
AU2003252992A1 (en) Acoustic resonators
AU2002950855A0 (en) Materials
AU2003249560A1 (en) Piezoelectric loudspeaker

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase
TH Corrigenda

Free format text: IN VOL 18, NO 11, PAGE(S) 3035 UNDER THE HEADING APPLICATIONS OPI - NAME INDEX UNDER THE NAME OXFORD MAGNET TECHNOLOGY LTD, APPLICATION NO. 2003236913, UNDER INID (71) CORRECT THE NAME TO READ CROMPTON TECHNOLOGY GROUP LTD; OXFORD MAGNET TECHNOLOGY LTD