CN108973250A - A kind of fiber-reinforced resin honeycomb sandwich structure composite material and preparation method - Google Patents

A kind of fiber-reinforced resin honeycomb sandwich structure composite material and preparation method Download PDF

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Publication number
CN108973250A
CN108973250A CN201810790664.0A CN201810790664A CN108973250A CN 108973250 A CN108973250 A CN 108973250A CN 201810790664 A CN201810790664 A CN 201810790664A CN 108973250 A CN108973250 A CN 108973250A
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China
Prior art keywords
fiber
honeycomb
resin
reinforced resin
sandwich structure
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CN201810790664.0A
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Chinese (zh)
Inventor
谷诤巍
王宏磊
贾磊
于靖
陈琳
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Jilin University
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Jilin University
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Priority to CN201810790664.0A priority Critical patent/CN108973250A/en
Publication of CN108973250A publication Critical patent/CN108973250A/en
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    • 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
    • B32B3/12—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 characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • B32B3/02—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 features of form at particular places, e.g. in edge regions
    • B32B3/08—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 features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/06—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 structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D25/00—Woven fabrics not otherwise provided for
    • D03D25/005—Three-dimensional woven fabrics
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/58—Cuttability
    • B32B2307/581—Resistant to cut
    • 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
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • B32B2605/00—Vehicles

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a kind of fiber-reinforced resin honeycomb sandwich structure composite material and manufacturing process, upper and lower fibrous face is woven using 3D by fiber filament or fibre bundle or stitches to knit and is linked together, so that fibrous face has integrality up and down, and then it solves in fiber-reinforced resin honeycomb sandwich structure material, it is glued between fibrous layer and honeycomb loosely, many problems such as fiber caused by causing the shear strength of fiber-reinforced resin honeycomb sandwich structure low and glue-line aging and cellular connection loosening.This structure is not only applicable in 3D braiding, can also penetrate the fibre reinforcement for being laid with completion in such a way that seam is knitted etc. using fiber filament or fibre bundle, fiber upper and lower surface is connected.Strong operability meets the light-weighted requirement of trolley coach.

Description

A kind of fiber-reinforced resin honeycomb sandwich structure composite material and preparation method
Technical field
The present invention discloses a kind of fiber-reinforced resin honeycomb sandwich structure composite material and preparation method, is related to fiber increasing Strong resin honeycomb sandwich structure composite material parts manufacturing technology, belongs to field of material processing.
Background technique
Fiber-reinforced resin honeycomb sandwich composite specific strength with higher, specific stiffness and good anticorrosive Property, fatigue resistance, impact resistance and high-temperature behavior, as a kind of " lightweighting materials " in aerospace, rail traffic, automobile Etc. industries be applied.In recent years, fiber-reinforced resin honeycomb sandwich composite is increasingly paid close attention to by industry, in interior trim material The positions such as material, subway floor, high-speed rail pantograph pan are widely used.But in traditional handicraft, fiber-reinforced resin cellular sandwich The problems such as glue-line viscosity of structural composite material and aging, causes material shearing force low, easily causes fiber and honeycomb is layered.
In previous experimental study, mainly increase the splicing between laminate to solve the performance of glue or improve the content of glue Ability.But the problem of aging of glue does not obtain basic solution.In this patent, a kind of fiber-reinforced resin bee has been disclosed The composite material and preparation method of nest sandwich structure efficiently solves the above problem, and work in this respect has not been reported.
Summary of the invention
To solve in fiber-reinforced resin honeycomb sandwich structure composite material, because of glue-line aging between fibrous layer and honeycomb Lead to be glued many problems such as insecure, fiber-reinforced resin honeycomb sandwich structure composite structure shear strength is low, this A kind of fiber-reinforced resin honeycomb sandwich structure composite structure of disclosure of the invention and preparation method thereof, in which:
A kind of fiber-reinforced resin honeycomb sandwich structure composite material, it is characterised in that: the fibers honeycomb reinforced resin Composite material is made of fibre reinforcement, resin, honeycomb；The fibre reinforcement is continuous fiber；The resin is thermosetting property Resin or thermoplastic resin；The honeycomb is the porous core materials such as aluminum honeycomb, paper honeycomb or plastic honeycomb.
The fiber by be connected to honeycomb core up and down fibrous face, the fibrage of top and bottom together, thus reinforcing fiber The shear strength of reinforced resin honeycomb sandwich structure composite material parts.
A kind of fibers honeycomb reinforced resin composite material parts preparation method, it is characterised in that:
1, a kind of fiber-reinforced resin honeycomb sandwich structure composite material, it is characterised in that: the fiber-reinforced resin bee Nest sandwich structure composite material is made of fibre reinforcement, resin, honeycomb；The fibre reinforcement is continuous fiber；The tree Rouge is thermosetting resin or thermoplastic resin；The cellular material is the porous core material groups such as aluminum honeycomb, paper honeycomb or plastic honeycomb At.
2, a kind of fiber-reinforced resin honeycomb sandwich structure composite material according to claim 1, it is characterised in that: Upper and lower fibrous face fiber filament or fibre bundle are connected in such a way that seam by hand is knitted etc., fiber filament or fibre bundle pass through honeycomb core, Or woven using 3D, inside fibrage to honeycomb, i.e. top and bottom establishment is integrated.The fiber of top and bottom and inside are fine Dimension links together, through to T-shaped, V-shaped or ∞ shape, broadwise is in " 1 " font.
3, according to claim 1, described in 2, fiber-reinforced resin honeycomb sandwich structure composite material element the preparation method comprises the following steps:
Step 1: according to scheduled model, determining the rigidity of model needs and the type of honeycomb, resin, fiber；
According to material category, calculate meet mechanical property resin content, across honeycomb core fibre bundle number and The angle [alpha] of honeycomb interior fiber and fiber top and bottom；
According to resin content and across the quantity of honeycomb core fibre bundle, design meets the weaving of performance requirement.
Step 2: using the weaving being calculated, carrying out 3D braiding with fiber filament or fibre bundle or by fiber reinforcement Body is routed to honeycomb surface, then knits upper and lower surface using fiber seam.The fibre reinforcement being integrally connected；
Step 3: by resin infiltration fibre reinforcement, and cured, cutting, grinding process, fiber-reinforced resin bee is made Nest sandwich structure composite material part；Or in upper and lower fibrous face place mat glue film, be molded, increase matrix resin infiltration to fiber Qiang Tizhong.
4, a kind of fiber-reinforced resin honeycomb sandwich structure composite material parts preparation method described in claim 3, It is characterized in that:
Described in step a kind, analysis model mainly for calculate fiber-reinforced resin honeycomb sandwich structure shear strength. The mechanical model of design can by computer-aided engineering in engineering design (Computer Aided Engineering, CAE it) establishes.
Described in step 2, type of weave will be compiled in surface plain weave or twill using fiber filament or fibre bundle While knitting, fiber filament or fibre bundle are pressed into another surface and woven, is integrated fiber upper and lower level volume.
It solves the problems, such as:
Present invention seek to address that: it creatively solves in fiber-reinforced resin honeycomb sandwich structure composite material, fiber Layer honeycomb between be glued it is insecure, interlayer caused by glue-line aging be glued loosely, fiber-reinforced resin honeycomb sandwich structure Many problems such as shear strength is low；Composite formed technical foundation of the present invention in fiber-reinforced resin honeycomb sandwich structure On, devise a kind of new construction, by fibrage in honeycomb core, make its do not destroy original lightweight, high intensity, high temperature resistant, Under the premise of the performances such as corrosion-resistant, have high-intensitive cutting performance, aerospace can be commonly utilized in, track is handed over The fields such as logical, automobile；By taking track floor as an example, fibers honeycomb reinforced resin composite material parts produced by the present invention can replace gold Belonging to honeycomb parts can be compared with metal stressed member loss of weight as coverings or structural members such as trolley coach floor, automobile top covers 30%-70% solves the problems, such as that cellular board is low with fiber cutting intensity；The present invention has greatly widened fiber-reinforced resin bee Nest sandwich structure composite material part application field.
Detailed description of the invention
Fig. 1 is the preparation flow figure of fiber-reinforced resin honeycomb sandwich structure composite material.
Fig. 2 is honeycomb interior structural schematic diagram.
Fig. 3 is the fiber schematic diagram between interspersed honeycomb after the completion of braiding.
Fig. 4 is fiber-reinforced resin honeycomb sandwich structure composite material schematic diagram.
Wherein: 1. fibre reinforcements, 2. resins, 3. honeycombs.
Specific embodiment
A kind of fiber-reinforced resin honeycomb sandwich structure composite material and preparation method embodiment is exemplified below:
As shown in Figure 1, the invention discloses a kind of fiber-reinforced resin honeycomb sandwich structure composite material and its preparation sides Method is made of fibre reinforcement, resin, cellular material；The fibre reinforcement is continuous fiber；The resin is thermosetting property tree Rouge or thermoplastic resin；The honeycomb core is aluminum honeycomb, the porous core material composition such as paper honeycomb.The fiber with honeycomb core by connecting Logical fibrous face up and down, the shear strength of reinforcing fiber reinforced resin honeycomb sandwich structure composite material parts.Fig. 2 show inside Fiber interts situation, and internal fiber links together upper layer and lower layer fiber cloth.Fig. 3 is shown when being woven using 3D, by fiber Beam is woven into the concrete mode of honeycomb interior.In Fig. 4, the fibre bundle or fiber filament for connecting fiber cloth up and down should be abundant by resin Otherwise infiltration is easy friction damage.
For the composite material parts intensity for further increasing this fiber-reinforced resin honeycomb sandwich structure, the fiber reinforcement Body can be using at least one of fiber filament, fibre bundle or fabric, and the form of fiber connection can be fiber 3D volume It knits, top and bottom fiber cloth is formed together with the braiding of honeycomb core internal fiber or is first laid with fiber reinforcement in honeycomb top and bottom Then body interts cellular connection with fiber filament or fibre bundle and forms；The material of fiber can be glass fibre, carbon fiber, the Black Warrior One or two kinds of and two or more shufflings form in rock fiber, aramid fiber, Kafra fiber, flaxen fiber, wood-fibred etc..
In conjunction with above-mentioned technical proposal, the present invention also provides a kind of fiber-reinforced resin honeycomb sandwich structure composite materials zero Part preparation method, specific preparation process are as follows:
Step 1: being as shown in Figure 1 the flow chart of fibers honeycomb reinforced resin composite material computation model structure.The fibre Dimension include it is a kind of in glass fibre, carbon fiber, basalt fibre, aramid fiber, Kafra fiber, flaxen fiber or wood-fibred etc. or Two kinds and two or more shufflings form；Honeycomb is aluminum honeycomb, paper honeycomb or plastic honeycomb etc.；The resin is silica gel, asphalt mixtures modified by epoxy resin Rouge, polyvinyl resin, unsaturated-resin etc.；
According to scheduled model, the rigidity of model needs and the type of honeycomb, fiber, resin are determined；
According to material category, calculate meet mechanical property resin content, across honeycomb core fibre bundle number and Angle [alpha], the internal fiber type of weave etc. of honeycomb interior fiber and fiber top and bottom；
The mechanical model wherein designed can pass through computer-aided engineering (the Computer Aided in engineering design Engineering, CAE) it establishes.
According to resin content and across the quantity of honeycomb core fibre bundle, design meets the type of weave of performance requirement, compiles The form of knitting can be will be while surface plain weave or twill weave, by fiber filament or fibre using fiber filament or fibre bundle Dimension beam pressure enters another surface and is woven, and is integrated fiber upper and lower level volume.
Step 2: using the weaving being calculated, carrying out 3D braiding with fiber filament or fibre bundle or by fiber reinforcement Body is routed to honeycomb surface, then knits upper and lower surface using fiber seam.The type of weave of honeycomb interior fiber is through in T Shape, V-shaped or ∞ shape, broadwise are in " 1 " font；
Step 3: resin infiltration fibre reinforcement can be pasted, resin drains one or more techniques such as infiltration by hand Add resin；Or in upper and lower fibrous face place mat glue film, be molded, make matrix resin infiltration into fibre reinforcement.Wherein The resin is thermosetting resin or thermoplastic resin.And cured, cutting, grinding process, fiber-reinforced resin honeycomb is made The part of sandwich structure composite material.Described is cured as resin impregnated fiber, is solid from liquid curing；The cutting refers to The composite material of fiber-reinforced resin honeycomb sandwich structure is cut into desired structural member；The polishing, which refers to, increases fiber The excess surface resin of strong resin honeycomb sandwich structure composite material polishes off.The molding refers to that material seals up barrier paper, Then temperature-pressure in a mold, so that resin infiltration is into fibre reinforcement.

Claims (4)

1. a kind of fiber-reinforced resin honeycomb sandwich composite structure, it is characterised in that: the fiber-reinforced resin honeycomb folder The composite material of cored structure is made of fibre reinforcement, resin, honeycomb；The fibre reinforcement is continuous fiber；The resin For thermosetting resin or thermoplastic resin；The cellular material is the porous core material composition such as aluminum honeycomb, paper honeycomb or plastic honeycomb.
2. a kind of composite material of fiber-reinforced resin honeycomb sandwich structure according to claim 1, it is characterised in that: will Upper and lower fibrous face fiber filament or fibre bundle connection pass through fiber filament or fibre bundle in such a way that 3D braiding or by hand seam are knitted etc. Honeycomb core, inside fibrage to honeycomb.The fiber of top and bottom is connected with internal fiber, through to T-shaped, V word Shape or ∞ shape, broadwise are in " 1 " font.
3. according to claim 1, described in 2, fiber-reinforced resin honeycomb sandwich structure composite material and preparation method thereof are as follows:
Step 1: according to scheduled model, determining the rigidity of model needs and the type of honeycomb, resin, fiber；
According to material category, the resin content for meeting mechanical property, fibre bundle number and honeycomb across honeycomb core are calculated The angle [alpha] of internal fiber and fiber top and bottom；
According to resin content and across the quantity of honeycomb core fibre bundle, design meets the weaving of performance requirement.
Step 2: using the weaving being calculated, with fiber filament or fibre bundle carry out 3D braiding or by seam by hand knit by Upper and lower surface is knitted using fiber seam, obtains the fibre reinforcement of braiding one；
Step 3: by resin infiltration fibre reinforcement, and cured, cutting, grinding process, fiber-reinforced resin honeycomb folder is made Cored structure composite material element；Or in upper and lower fibrous face place mat glue film, be molded, make matrix resin infiltration to fibre reinforcement In.
4. a kind of fiber-reinforced resin honeycomb sandwich structure composite material parts preparation method, feature described in claim 3 It is:
Described in step a kind, analysis model mainly for calculate fiber-reinforced resin honeycomb sandwich structure shear strength.Design Mechanical model can pass through the computer-aided engineering (Computer Aided Engineering, CAE) in engineering design To establish.
Described in step 2, type of weave will be in surface plain weave or twill weave using fiber filament or fibre bundle Meanwhile fiber filament or fibre bundle are pressed into another surface and woven, it is integrated fiber upper and lower level volume.
CN201810790664.0A 2018-07-18 2018-07-18 A kind of fiber-reinforced resin honeycomb sandwich structure composite material and preparation method Pending CN108973250A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110010805A (en) * 2019-03-08 2019-07-12 苏州安靠电源有限公司 Nonmetallic constant-temperature battery case and battery pack
CN110299598A (en) * 2019-05-24 2019-10-01 北京卫星制造厂有限公司 A kind of aramid fiber covering-paper honeycomb interlayer barrel shell structure and its preparation method and application
CN113997677A (en) * 2021-11-19 2022-02-01 泰山体育产业集团有限公司 Preparation method of baked composite material pantograph slide plate
CN114714688A (en) * 2022-03-31 2022-07-08 江南大学 Zero/negative Poisson ratio multi-layer multi-directional reinforcement material and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN102301047A (en) * 2009-01-29 2011-12-28 水泥帐篷技术有限公司 Impregnated cloth
CN203449665U (en) * 2013-07-12 2014-02-26 中国航空工业集团公司北京航空材料研究院 Honeycomb sandwich type composite material noise eliminating plate
CN106494022A (en) * 2016-09-23 2017-03-15 中国人民解放军国防科学技术大学 Dot matrix strengthens foam core preform and its preparation method and application
CN206067084U (en) * 2016-08-24 2017-04-05 南京凤源新材料科技有限公司 A kind of bullet train hollow fabric composite floor board

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301047A (en) * 2009-01-29 2011-12-28 水泥帐篷技术有限公司 Impregnated cloth
CN203449665U (en) * 2013-07-12 2014-02-26 中国航空工业集团公司北京航空材料研究院 Honeycomb sandwich type composite material noise eliminating plate
CN206067084U (en) * 2016-08-24 2017-04-05 南京凤源新材料科技有限公司 A kind of bullet train hollow fabric composite floor board
CN106494022A (en) * 2016-09-23 2017-03-15 中国人民解放军国防科学技术大学 Dot matrix strengthens foam core preform and its preparation method and application

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110010805A (en) * 2019-03-08 2019-07-12 苏州安靠电源有限公司 Nonmetallic constant-temperature battery case and battery pack
CN110299598A (en) * 2019-05-24 2019-10-01 北京卫星制造厂有限公司 A kind of aramid fiber covering-paper honeycomb interlayer barrel shell structure and its preparation method and application
CN110299598B (en) * 2019-05-24 2021-02-09 北京卫星制造厂有限公司 Aramid fiber skin-paper honeycomb sandwich cylindrical shell structure and preparation method thereof
CN113997677A (en) * 2021-11-19 2022-02-01 泰山体育产业集团有限公司 Preparation method of baked composite material pantograph slide plate
CN114714688A (en) * 2022-03-31 2022-07-08 江南大学 Zero/negative Poisson ratio multi-layer multi-directional reinforcement material and preparation method thereof
CN114714688B (en) * 2022-03-31 2022-12-13 江南大学 Zero/negative Poisson ratio multi-layer multi-directional reinforcement material and preparation method thereof

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