CN201052678Y - Slotted composite material sandwich structure - Google Patents
Slotted composite material sandwich structure Download PDFInfo
- Publication number
- CN201052678Y CN201052678Y CNU2007200361039U CN200720036103U CN201052678Y CN 201052678 Y CN201052678 Y CN 201052678Y CN U2007200361039 U CNU2007200361039 U CN U2007200361039U CN 200720036103 U CN200720036103 U CN 200720036103U CN 201052678 Y CN201052678 Y CN 201052678Y
- Authority
- CN
- China
- Prior art keywords
- composite material
- sandwich structure
- material sandwich
- core
- type 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.)
- Expired - Lifetime
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 11
- 210000003456 pulmonary alveoli Anatomy 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 10
- 229920006305 unsaturated polyester Polymers 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 229920006387 Vinylite Polymers 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 244000055346 Paulownia Species 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 244000050510 Cunninghamia lanceolata Species 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 238000009396 hybridization Methods 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract 4
- 240000007182 Ochroma pyramidale Species 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 238000009742 vacuum bag moulding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Abstract
The utility model relates to a slotted composite material sandwich structure, comprising core material (1) and fiber panels (2). The slotted composite material sandwich structure is characterized in that the upper and lower surfaces of the core material (1) are opened with latticed grooves (3), and upper and lower surfaces of the core material (1) are laid with panels (2) through resin. Compared with other products, the slotted composite material sandwich structure of the utility model has the maximal characteristics that the grooves fully filled with resin can obviously enhance anti-splitting capacity between the panels and the core material, the integral bearing performance and utilizing effect of the composite material sandwich structure is obviously improved, and the slotted composite material sandwich structure is commonly applicable for aerospace, ship vehicle and other structures, and is applicable for architecture field, such as room panels, architectural mold plates, wall body material and the like.
Description
Technical field
The utility model relates to composite material sandwich structure beam, plate, hull structure component, it specifically is a kind of Alveolus type composite material sandwich structure, it is widely used in fields such as vehicle, building, as roof boarding, building template, materials for wall, vehicle dividing plate, base plate etc.
Background technology
Structural members such as composite material sandwich structure beam, plate, shell are made up of three parts, and outermost layer is a panel, mainly bears the direct stress that flexural deformation causes, adopts material manufacturing high-strength, high-modulus, as carbon fiber, glass fabric or the metal decking etc. of lamination; The centre is a core, for sandwich provides enough cross sectional moment of inertias, mainly bears shear stress, materials such as honeycomb commonly used, foam, cork wood.Be bonding layer between panel and the core, both bonded together, unsaturated polyester (UP) commonly used, vinylite, epoxy resin, phenolic resins etc. by resin.
Composite material sandwich structure had both made full use of fibrous material intensity height, lightweight advantage, again dexterously by cross sectional moment of inertia that light-weight filler obtained, can reach desirable structural behaviour (as intensity, rigidity and impact flexibility etc.), at present it has obtained extensive use on aircraft, guided missile, satellite, spaceship and space shuttle, as the aircraft floor etc.Simultaneously, because it has the incomparable characteristics of other materials such as specific strength and specific stiffness height, designability are strong, and be adapted to lightweight, at a high speed, the development trend of characteristic such as safety, antifatigue, corrosion-resistant, stealth, the application of composite material sandwich structure more and more widely can relate to fields such as military installations, defence engineering, vehicle, naval vessel, building, bridge; Adopt composite material sandwich structure to make compartment, container, haul tank car and the chemical storage tank etc. of naval vessel member, train and motorbus as developed country, even be used for the ramber of NASA moon lander; In the bridge construction field, can be used for roof boarding, building template, body of wall dividing plate, floorings, airport temporary backing, Light Pontoon Bridge etc.This shows that composite material sandwich structure is a kind of tool material with broad prospects for development and version.
In China, composite material sandwich structure is many to be core with the honeycomb, but the panel of honeycomb sandwich construction and the contact area of core are little, therefore its adhesive property relatively a little less than, thereby cause the performance such as antistripping, antifatigue of sandwich lower, in addition if panel impaired after, comb core is intake easily and be difficult for to be discharged, thereby serious consequence such as causes panel to come unstuck peeling off.And be in the sandwich of core with foam and cork wood, the interface simple structure of core and panel, in use, core and panel are peeled off easily, thereby make that this sandwich form can extensive use.
Summary of the invention
The purpose of this utility model then is at the deficiency of the technology such as interface simple structure of present foam and cork wood core and panel, and a kind of Alveolus type composite material sandwich structure is provided, and can significantly improve the antistripping ability between core and the panel.
The purpose of this utility model can reach by following measure:
A kind of Alveolus type composite material sandwich structure, it comprises core 1, has latticed groove 3 in the upper and lower surface of core 1, is equipped with panel 2 in the upper and lower surface of core 1 by resin.
Wherein, described groove 3 can be with carrying out any reasonable Arrangement according to concrete stressing conditions, and described groove 3 is preferably parallel or crossing layout; Described groove 3 is quadrature arrangement more preferably.
Described groove 3 can be pointed, rectangle, open-delta or other arbitrary shapes.
Described core 1 is foam, cork wood or other any materials, and it comprises: polyurethane foam, polyvinyl chloride foam, carbon foam, paulownia wood, China fir, oak or glued board.
Described panel 2 is fiber, metal or other any materials, and it comprises: single shaft to, twin shaft to or multiaxis to carbon fiber, glass fibre, aramid fiber, hybridization fiber cloth, aluminium sheet or steel plate.
Described resin comprises: unsaturated polyester (UP), vinylite, epoxy resin or phenolic resins.
The thickness that described panel 2 is arranged in core 1 upper and lower surface both can be consistent also can be inconsistent and also the laying direction and the number of plies fiber layer of cloth can adjust flexibly as required.
Above-mentioned Alveolus type composite material sandwich structure can adopt method as described below to prepare:
A. open the groove 3 of latticed layout in the upper and lower surface of foam and cork wood core 1;
B. the core 1 that disposes can be processed into beam, plate, hull shape shape according to the member needs;
C. one or more layers fiber cloth is layed in the upper and lower surface of core 1, resin is circulated in vacuum bag or the mould by vacuum bag moulding process, vacuum guiding and forming technique or RTM moulding process;
D. after treating the resin solidification moulding, take out, the fiber layer of cloth becomes fiber panel with resin solidification, and groove 3 promptly fills up resin;
F. wherein, step c, d also can be replaced by this step: in type fiberboard or metallic plate are stuck with paste technology or vacuum bag technological forming by hand, can obtain the Alveolus type composite material sandwich structure that cementitiousness is significantly improved between a kind of panel and the core by resin with panel 2 and core 1 are mutually bonding.
The utlity model has following advantage:
Structural member with the utility model Alveolus type composite material sandwich structure beam, plate, shell etc. is compared with other products, its maximum characteristics are that the groove that fills up resin can obviously strengthen the antistripping ability between panel and the core, and the holistic resistant behavior of composite material sandwich structure is significantly improved.
Description of drawings
Fig. 1 is one of Alveolus type composite material sandwich structure beam, plate, hull structure component schematic diagram.
Fig. 2 is two of Alveolus type composite material sandwich structure beam, plate, a hull structure component schematic diagram.
Fig. 3 is for opening the schematic diagram of pointed groove in the upper and lower surface of foam and cork wood core.
Fig. 4 is for having the structural representation of rectangular recess on the core.
Fig. 5 is for having the structural representation of open delta connected in star on the core.
In the accompanying drawing: 1 is core, comprising: foam (polyurethane, polyvinyl chloride, carbon foam etc.) and cork wood (paulownia wood, China fir, oak, glued board etc.); 2 is panel, comprises fiber panel (fiberglass panel, carbon fiber panel etc.) and metal decking (aluminium matter, steel etc.); 3 is groove, can be arranged to pointed, rectangular recess or open-delta as required.
The specific embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments:
As shown in Figure 1, 2, 3, Alveolus type composite material sandwich structure of the present utility model, it comprises the core 1 of polyvinyl chloride foam material, have the pointed groove 3 of quadrature arrangement in the upper and lower surface of core 1, irritate in the groove 3 epoxy resin is arranged, upper and lower surface at core 1 all is equipped with two-layer twin shaft to carbon fibre cloth layer, with the panel 2 of epoxy resin formation carbon fiber.
Embodiment 2
Alveolus type composite material sandwich structure of the present utility model, it comprises the core 1 of polyurethane foam material, upper and lower surface at core 1 has transverse moment connected in star 3 that is parallel to each other and the longitudinal moment connected in star 3 that is parallel to each other, but transverse moment connected in star 3 and longitudinal moment connected in star 3 are acute angle and intersect, irritate in the groove 3 vinylite is arranged, upper surface at core 1 is equipped with three layers of four-axial glass fibre layer of cloth, at the two-layer aramid fiber layer of cloth of the lower surface of core 1, fiber layer of cloth and vinylite are solidified into panel 2.
As described in embodiment 1, but when recessing 3, can be according to stressed needs, the number of groove 3 and arrangement mode can be controlled flexibly.
Alveolus type composite material sandwich structure of the present utility model, it comprises the core 1 of paulownia wood material, open the open delta connected in star 3 of quadrature in the upper and lower surface of core 1, irritating in the groove 3 has phenolic resins, all is equipped with the panel 2 of aluminium matter on the upper and lower surface of core 1.
As described in embodiment 1,2, can be consistent but be arranged in the thickness of the panel 2 of core 1 upper and lower surface, also can be inconsistent.
The preparation method of above-mentioned Alveolus type composite material sandwich structure is as follows:
A. open the groove 3 of quadrature arrangement (shape of groove can comprise: pointed, rectangle, open-delta etc.) in the upper and lower surface of foam (comprising: polyurethane, polyvinyl chloride, carbon foam etc.) and cork wood (comprising: paulownia wood, China fir, oak, glued board etc.) core 1;
B. the core 1 that disposes can be processed into beam, plate, hull shape shape according to the member needs;
C. with one or more layers fiber cloth (comprising: single shaft to, twin shaft to or multiaxis to carbon fiber, glass fibre, aramid fiber and hybridization fiber cloth etc.) be the upper and lower surface that panel 2 is layed in core 1, and integral body places vacuum bag or mould;
D. by vacuum bag moulding process, vacuum guiding and forming technique or RTM moulding process resin (comprising: unsaturated polyester (UP), vinylite, epoxy resin, phenolic resins etc.) is circulated in vacuum bag or the mould, as required, can be with resin solidification under normal temperature and pressure or HTHP situation, after treating the resin solidification moulding, take out member;
E. wherein, step c, d also can be replaced by this step: in type fiberboard (comprising: glass mat, carbon fiber board, aramid fiber plate etc.) or metallic plate (comprising: aluminium sheet, steel plate etc.) are stuck with paste technology or vacuum bag technological forming by hand, and by adhesive such as resins that panel 2 is mutually bonding with core 1.
At this moment, the groove 3 that fills up resin can obviously strengthen the antistripping ability between panel 2 and the core 1, can obtain novel Alveolus type composite material sandwich structure.
Wherein: the kind of core 1 and height, shape, size, position and the arrangement mode of groove 3, the kind and the thickness of panel 2, the kind of the laying direction of fiber cloth and the number of plies, resin all can be adjusted as required flexibly.
Claims (8)
1. Alveolus type composite material sandwich structure, it comprises core (1), panel (2), it is characterized in that having latticed groove (3) in the upper and lower surface of core (1), is equipped with panel (2) in the upper and lower surface of core (1) by resin.
2. Alveolus type composite material sandwich structure according to claim 1 is characterized in that described groove (3) is parallel or crossing layout.
3. Alveolus type composite material sandwich structure according to claim 2 is characterized in that described groove (3) is quadrature arrangement.
4. according to claim 1,2 or 3 described Alveolus type composite material sandwich structures, it is characterized in that described groove (3) is pointed, rectangle or open-delta.
5. Alveolus type composite material sandwich structure according to claim 1 is characterized in that the material of described core (1) adopts polyurethane foam, polyvinyl chloride foam, carbon foam, paulownia wood, China fir, oak or glued board.
6. Alveolus type composite material sandwich structure according to claim 1 is characterized in that described panel (2) is fiber panel or metal decking.
7. Alveolus type composite material sandwich structure according to claim 6, it is characterized in that described fiber panel be single shaft to, twin shaft to or multiaxis to carbon fiber, glass fibre, aramid fiber and hybridization fiber cloth; Metal decking is aluminium sheet or steel plate.
8. Alveolus type composite material sandwich structure according to claim 1 is characterized in that described resin comprises: unsaturated polyester (UP), vinylite, epoxy resin or phenolic resins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200361039U CN201052678Y (en) | 2007-04-10 | 2007-04-10 | Slotted composite material sandwich structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200361039U CN201052678Y (en) | 2007-04-10 | 2007-04-10 | Slotted composite material sandwich structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201052678Y true CN201052678Y (en) | 2008-04-30 |
Family
ID=39392347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200361039U Expired - Lifetime CN201052678Y (en) | 2007-04-10 | 2007-04-10 | Slotted composite material sandwich structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201052678Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345330A (en) * | 2011-07-18 | 2012-02-08 | 从卫民 | Insulating plate |
| CN102438820A (en) * | 2009-10-16 | 2012-05-02 | 爱信精机株式会社 | Composite molded article |
| CN103153603A (en) * | 2010-09-28 | 2013-06-12 | 蒂森克虏伯钢铁欧洲股份公司 | Structural or chassis part of a motor vehicle |
| CN104589709A (en) * | 2015-02-03 | 2015-05-06 | 哈尔滨工业大学 | Light cell structure sandwich panel integrating heat conduction and bearing and preparation method of light cell structure sandwich panel |
| CN107794818A (en) * | 2016-09-06 | 2018-03-13 | 洛阳科博思新材料科技有限公司 | Boardwalk and its manufacture method |
| CN108266631A (en) * | 2017-12-20 | 2018-07-10 | 株洲时代新材料科技股份有限公司 | Composite material sandwich structure cork wood and processing method |
| CN114867596A (en) * | 2019-10-24 | 2022-08-05 | 迪亚布国际股份公司 | Composite sandwich component |
-
2007
- 2007-04-10 CN CNU2007200361039U patent/CN201052678Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438820A (en) * | 2009-10-16 | 2012-05-02 | 爱信精机株式会社 | Composite molded article |
| CN102438820B (en) * | 2009-10-16 | 2015-04-22 | 爱信精机株式会社 | Composite molded article |
| CN103153603A (en) * | 2010-09-28 | 2013-06-12 | 蒂森克虏伯钢铁欧洲股份公司 | Structural or chassis part of a motor vehicle |
| CN102345330A (en) * | 2011-07-18 | 2012-02-08 | 从卫民 | Insulating plate |
| CN104589709A (en) * | 2015-02-03 | 2015-05-06 | 哈尔滨工业大学 | Light cell structure sandwich panel integrating heat conduction and bearing and preparation method of light cell structure sandwich panel |
| CN107794818A (en) * | 2016-09-06 | 2018-03-13 | 洛阳科博思新材料科技有限公司 | Boardwalk and its manufacture method |
| CN108266631A (en) * | 2017-12-20 | 2018-07-10 | 株洲时代新材料科技股份有限公司 | Composite material sandwich structure cork wood and processing method |
| CN114867596A (en) * | 2019-10-24 | 2022-08-05 | 迪亚布国际股份公司 | Composite sandwich component |
| US11884046B2 (en) | 2019-10-24 | 2024-01-30 | Diab International Ab | Composite sandwich components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070410 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070410 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |