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GB2401346B - A structural composite material for acoustic damping - Google Patents

A structural composite material for acoustic damping

Info

Publication number
GB2401346B
GB2401346B GB0310450A GB0310450A GB2401346B GB 2401346 B GB2401346 B GB 2401346B GB 0310450 A GB0310450 A GB 0310450A GB 0310450 A GB0310450 A GB 0310450A GB 2401346 B GB2401346 B GB 2401346B
Authority
GB
United Kingdom
Prior art keywords
composite material
acoustic damping
structural composite
structural
acoustic
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.)
Expired - Fee Related
Application number
GB0310450A
Other versions
GB2401346A (en
GB0310450D0 (en
Inventor
Andrew Farquhar Atkins
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
Siemens Magnet Technology Ltd
Crompton Technology Group Ltd
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 Siemens Magnet Technology Ltd, Crompton Technology Group Ltd, Oxford Magnet Technology Ltd filed Critical Siemens Magnet Technology Ltd
Priority to GB0310450A priority Critical patent/GB2401346B/en
Publication of GB0310450D0 publication Critical patent/GB0310450D0/en
Priority to CNA2004800119833A priority patent/CN1784300A/en
Priority to JP2006506226A priority patent/JP2006525147A/en
Priority to US10/554,108 priority patent/US20070071957A1/en
Priority to EP04731403A priority patent/EP1620255A1/en
Priority to PCT/GB2004/001962 priority patent/WO2004098870A1/en
Publication of GB2401346A publication Critical patent/GB2401346A/en
Application granted granted Critical
Publication of GB2401346B publication Critical patent/GB2401346B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/366—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers made of fibre-reinforced plastics, i.e. characterised by their special construction from such materials
    • 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
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
    • F16F1/377—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having holes or openings
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
    • 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
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • 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
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
GB0310450A 2003-05-07 2003-05-07 A structural composite material for acoustic damping Expired - Fee Related GB2401346B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0310450A GB2401346B (en) 2003-05-07 2003-05-07 A structural composite material for acoustic damping
EP04731403A EP1620255A1 (en) 2003-05-07 2004-05-06 A structural composite material for acoustic damping
JP2006506226A JP2006525147A (en) 2003-05-07 2004-05-06 Structural composites for sound attenuation
US10/554,108 US20070071957A1 (en) 2003-05-07 2004-05-06 Structural composite material for acoustic damping
CNA2004800119833A CN1784300A (en) 2003-05-07 2004-05-06 A structural composite material for acoustic damping
PCT/GB2004/001962 WO2004098870A1 (en) 2003-05-07 2004-05-06 A structural composite material for acoustic damping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0310450A GB2401346B (en) 2003-05-07 2003-05-07 A structural composite material for acoustic damping

Publications (3)

Publication Number Publication Date
GB0310450D0 GB0310450D0 (en) 2003-06-11
GB2401346A GB2401346A (en) 2004-11-10
GB2401346B true GB2401346B (en) 2005-04-13

Family

ID=9957579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0310450A Expired - Fee Related GB2401346B (en) 2003-05-07 2003-05-07 A structural composite material for acoustic damping

Country Status (6)

Country Link
US (1) US20070071957A1 (en)
EP (1) EP1620255A1 (en)
JP (1) JP2006525147A (en)
CN (1) CN1784300A (en)
GB (1) GB2401346B (en)
WO (1) WO2004098870A1 (en)

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GB2422905B (en) * 2005-02-04 2007-02-14 Siemens Magnet Technology Ltd Material for electrical isolation and vibro-acoustic performance
US20060191095A1 (en) * 2005-02-28 2006-08-31 Valeo Electrical Systems, Inc. Composite buckling spring in compression spring wiper arm
DE102006019421B4 (en) 2006-04-26 2012-01-12 Siemens Ag magnetic resonance apparatus
US9511571B2 (en) * 2007-01-23 2016-12-06 The Boeing Company Composite laminate having a damping interlayer and method of making the same
US8951923B2 (en) * 2007-05-23 2015-02-10 The Boeing Company Hybrid composite structure having damped metallic fibers
GB2455720B (en) * 2007-12-18 2010-01-06 Siemens Magnet Technology Ltd Re-workable pressure vessels for superconducting magnet arrangements
US7980356B2 (en) * 2008-04-17 2011-07-19 Siemens Aktiengesellschaft Cladding part for component
JP5905725B2 (en) * 2009-01-06 2016-04-20 サイテク・テクノロジー・コーポレーシヨン Structural composites with improved acoustic and vibration damping properties
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
ES2386176B1 (en) * 2010-12-27 2013-06-21 Airbus Operations, S.L. MULTIFUNCTIONAL COMPOSITE MATERIAL WITH VISCO-ELASTIC INTERCAPE.
US8796164B2 (en) 2010-12-28 2014-08-05 Cytec Technology Corp. Multilayer and composition gradient structures with improved damping properties
CN102157146B (en) * 2011-03-24 2012-07-25 江南大学 Artistic nonwoven-material sound absorber
WO2012174135A1 (en) 2011-06-13 2012-12-20 Goodrich Corporation Polymer composites possessing improved vibration damping
WO2013058749A1 (en) * 2011-10-19 2013-04-25 Hewlett-Packard Development Company, L.P. Material including signal passing and signal blocking strands
EP2810092A1 (en) * 2012-02-01 2014-12-10 Koninklijke Philips N.V. Nanoparticle rf shield for use in an mri device
CN102831886A (en) * 2012-08-24 2012-12-19 广州市泰力高复合材料有限公司 Silencing cotton structure
CN103073848B (en) * 2012-12-05 2014-12-03 哈尔滨工业大学 Preparation method of magnetized lyophobic graphene-based nano damping fin and damper thereof
CN103950254B (en) * 2013-05-28 2016-05-04 太仓派欧技术咨询服务有限公司 A kind of sound-absorbing structure composite and preparation method thereof
US20150030803A1 (en) * 2013-07-29 2015-01-29 The Boeing Company Composite Laminates Having Hole Patterns Produced by Controlled Fiber Placement
EP2832532A1 (en) * 2013-07-31 2015-02-04 Airbus Operations GmbH Panel and method of producing same
DE102014004387A1 (en) * 2014-03-26 2015-10-01 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Composite component and method for its production
US9097007B1 (en) 2014-05-02 2015-08-04 North Carolina State University Panel assembly
ES2557390B1 (en) * 2014-07-24 2016-11-07 Recubrimientos Plásticos, S.A. Multi-panel metal and magnetorheological
CA2988547C (en) * 2016-12-15 2021-01-26 Certainteed Gypsum, Inc. Plaster boards and methods for making them
WO2020034383A1 (en) * 2018-08-13 2020-02-20 谢丽霞 Polyester fiber metal composite sandwich plate
FR3090702B1 (en) * 2018-12-21 2022-06-24 Safran Woven fibrous texture
EP3719375B1 (en) 2019-04-02 2023-05-31 Crompton Technology Group Limited Composite connectors and methods of manufacturing the same
CN110126299B (en) * 2019-05-29 2021-02-02 青岛理工大学 Embedded co-curing large-damping electromagnetic wave-absorbing composite material and preparation method and application thereof
US11677283B2 (en) 2020-08-04 2023-06-13 Ford Global Technologies, Llc Electric machine having vibration attenuating stator laminations
CN114013151B (en) * 2021-11-19 2023-11-07 成都迈科高分子材料股份有限公司 Gradient multilayer damping material and preparation method thereof

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JPH01204735A (en) * 1988-02-09 1989-08-17 Nec Corp fiber reinforced composite material
JPH01204733A (en) * 1988-02-09 1989-08-17 Nec Corp Fiber-reinforced composite
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JPH01204735A (en) * 1988-02-09 1989-08-17 Nec Corp fiber reinforced composite material
JPH01204733A (en) * 1988-02-09 1989-08-17 Nec Corp Fiber-reinforced composite
US5368916A (en) * 1991-04-08 1994-11-29 Nec Corporation Laminated vibration-damping material
US5446250A (en) * 1992-10-30 1995-08-29 Yamaha Hatsudoki Kabushiki Kaisha Fiberglass reinforced plastic damping material
US5474840A (en) * 1994-07-29 1995-12-12 Minnesota Mining And Manufacturing Company Silica-containing vibration damper and method

Also Published As

Publication number Publication date
GB2401346A (en) 2004-11-10
EP1620255A1 (en) 2006-02-01
JP2006525147A (en) 2006-11-09
WO2004098870A1 (en) 2004-11-18
GB0310450D0 (en) 2003-06-11
CN1784300A (en) 2006-06-07
US20070071957A1 (en) 2007-03-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090924 AND 20090930

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100507