CN102658681A - Three-dimensional orthogonal woven fabric enhanced thermosetting resin honeycomb sandwich composite material and preparation - Google Patents
Three-dimensional orthogonal woven fabric enhanced thermosetting resin honeycomb sandwich composite material and preparation Download PDFInfo
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- CN102658681A CN102658681A CN2012101249667A CN201210124966A CN102658681A CN 102658681 A CN102658681 A CN 102658681A CN 2012101249667 A CN2012101249667 A CN 2012101249667A CN 201210124966 A CN201210124966 A CN 201210124966A CN 102658681 A CN102658681 A CN 102658681A
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Abstract
The invention relates to a three-dimensional orthogonal woven fabric enhanced thermosetting resin honeycomb sandwich composite material and preparation. The sandwich composite material comprises a surface layer, a core layer and a bottom layer, wherein the surface layer and the bottom layer are made of the three-dimensional orthogonal woven fabric enhanced thermosetting resin composite material; and the core layer is made of a honeycomb material. The preparation method of the three-dimensional orthogonal woven fabric enhanced thermosetting resin honeycomb sandwich composite material comprises the following steps of: firstly coating thermosetting resin on a three-dimensional orthogonal woven fabric to obtain a fabric coated with the resin; then laying the fabric coated with the resin on the surface layer and the bottom layer of the honeycomb core layer; and performing hot-press forming; and cooling after hot pressing. The three-dimensional orthogonal woven fabric with superior mechanical property is used as the surface layer and the bottom layer of the sandwich material, so that the bend bearing performance and the impact load bearing performance of the material can be effectively improved, the fiber strength can be effectively utilized, and the fabric surface density is reduced; the core layer has a bionic honeycomb structure, so that the material weight is reduced and the rigidity and the mechanical property of the material are improved; and the operation is easy and batch production can be realized.
Description
Technical field
The invention belongs to interlayer composite material and preparation field thereof, particularly a kind of three-dimensional orthogonal woven fabric strengthens thermosetting resin honeycomb sandwich composite and preparation.
Background technology
Interlayer composite material has advantages such as lightweight, high specific strength and high ratio modulus in terms of mechanics; Can endurance, anti-vibration; And can effectively absorb shock loading; Aspect sound-absorption and heat-insulation, also has the particular performances advantage, so be widely used in Aero-Space, boats and ships, communications and transportation each side.
Wherein, Fiber reinforced thermosetting resin composite honeycomb structure interlayer composite material by a lot of internationally recognizable aircrafts and auto maker as inner thistle board, but the top layer of its interlayer composite material and bottom undirected fleeces or the ordinary two dimensional fabrics of adopting as strengthening body more.Can recognize according to achievement in research, so the fibre reinforced composite material that looses is because the limited mechanical characteristic of fiber volume fraction is not high; Shortcomings such as there are easy layering in two-dimensional fabric and shop layer reinforced composite thereof, and damage tolerance is low.So in actual use, the sandwich composite materials property that this two types of fibers strengthens can not satisfy the higher standard application requirements sometimes, and especially material stiffness is not high under shock loading, and is prone to delamination failure.
At present; Chinese patent 101613899A (open day on December 30th, 2009) and 102152525A have described a kind of preparation method of three-dimensional orthogonal woven foam layer composite in (open day on August 17th, 2011); Be employed in and block foam inweaved in the three-dimensional orthogonal fabric in weaving, adopt three-dimensional orthogonal woven fabric to come the reinforcing inlay composite, though adopt such preparation method can core material be inweaved fabric; But because structural limitations; Wherein the size of core material is seriously limited, and fabric warp-wise core material be monolithic independently, globality is also bad.Paper " the honeycomb sandwich composite moulding is with the development of pressure pad " (please provide the source of this paper) (Zhao Jingli; Li Heqing; Zhao Pengfei, the honeycomb sandwich composite moulding is with the development of pressure pad. specific rubber goods, 2006 (03): p.36-39). and adopt ACM and cellular material to prepare interlayer composite material; Adopt the surfacing of rubber as sandwich material, rather than fibre reinforced materials.Scientific achievement " development of method aerospace A330/340 composite air conduit " (please provide its source) [2] (Tian Wei; The development of method aerospace A330/340 composite air conduit). adopt carbon fiber and glass fiber reinforced epoxy resin surface and bottom surface as interlayer composite material; Sandwich layer adopts cellular material, and this research employing staple in bulk high-performance fiber enhancing resin or high molecular polymer are as the upper and lower surfaces of honeycomb composite.
Summary of the invention
Technical problem to be solved by this invention provides a kind of three-dimensional orthogonal woven fabric and strengthens thermosetting resin honeycomb sandwich composite and preparation method; This interlayer composite material high-strength light, sound insulation, heat-resisting new material; Have wide practical use in fields such as Aero-Space and communications and transportation; This method is simple to operate, is produced on a large scale.
A kind of three-dimensional orthogonal woven fabric of the present invention strengthens the thermosetting resin honeycomb sandwich composite; This interlayer composite material comprises top layer, sandwich layer and bottom; Described top layer and bottom adopt three-dimensional orthogonal woven fabric to strengthen thermoset ting resin composite; Sandwich layer adopts cellular material, belongs to light composite material.
The used kinds of fibers of described three-dimensional orthogonal woven fabric is natural fiber, staple fibre or synthetic fibers, and used fineness of yarn scope is: 10tex-3300tex.
The thickness range of described three-dimensional orthogonal woven fabric is 0.2mm-50mm (according to used fineness of yarn and a fabric construction different), and the fabric structure of tying up yarn in the fabric is plain weave, twill, satin weave or complex organization.
Described thermosetting resin is unsaturated polyester resin, epoxy resin, phenolic resins, melamine resin, furane resins, polybutadiene or organic siliconresin.
Described cellular material is paper, metal, plastics, rubber or aramid fiber, and the thickness range of said cellular material is 5mm-250mm.
A kind of three-dimensional orthogonal woven fabric of the present invention strengthens the preparation method of thermosetting resin honeycomb sandwich composite, comprising:
At first thermosetting resin is coated on the three-dimensional orthogonal woven fabric, obtains being coated with the fabric of resin, then the above-mentioned fabric that is coated with resin is layered on the top layer and the bottom of honeycomb sandwich layer, carry out hot-forming, after the hot pressing cooling promptly get.
Described being applied to adopts hand to be coated with the perhaps method of vacuum-assisted resin transfer moulding.
Described hot-forming middle pressure limit is 1MPa-5Mpa, and temperature is the solidification temperature of used thermosetting resin, and the time is also regulated according to the condition of cure of resin.
The material of high-strength light of the present invention adopts top layer and the bottom of the excellent three-dimensional orthogonal woven fabric of mechanical property as sandwich material, can improve the performance that material bears bending, shock loading effectively, and can effectively utilize fibre strength, reduces fabric side density.Sandwich layer adopts bionical honeycomb, the rigidity and the mechanical property of greatly lightening material weight, and raising material.
The advantage that three-dimensional orthogonal woven fabric enhancing thermosetting resin honeycomb sandwich composite involved in the present invention has is following:
1. the mechanical property that adopts three-dimensional orthogonal woven fabric can obviously improve composite as the top layer and the bottom of interlayer composite material.In the fabric warp thread and weft yarn planar be interweave or aligned fabric rigidity high, and the Z yarn on the fabric thickness direction is given stability of material.Owing to strengthen the existence of yarn on the thickness direction; The big I of fabric thickness is unrestricted; Not only increased the interlaminar shear strength of material, also reduced two-dimensional fabric and shop layer reinforced polypropylene compound material thereof and obviously existed and be prone to layering, shortcoming and lamination such as damage tolerance is low.
2. adopt three-dimensional orthogonal woven fabric can on the basis of raising mechanical property, greatly reduce the weight of material as the top layer of interlayer composite material and bottom.Do not interweave owing to yarn in the structure has flexing, the mechanical property availability of yarn is high in the fabric, and under equal fabric side density, the structure of this material can obviously reduce material weight.
Beneficial effect:
(1) the present invention adopts three-dimensional orthogonal woven fabric to strengthen body as the top layer and the bottom of interlayer composite material; Fabric is introduced on thickness direction and is strengthened yarn; With warp thread and the formed integral body that runs through a three-dimensional of formation on the thickness direction that is stacked in of weft yarn, improved the ability of interlayer shock resistance damage; There is flexing in the wherein straight arrangement of the warp thread of quadrature and weft yarn unlike two-dimensional fabric, makes the fabric light weight and has more excellent mechanical property;
What (2) sandwich layer of this interlayer composite material adopted is cellular material, and honeycomb sandwich layer biomimetic features has high strength, high rigidity, low-density, sound insulation, characteristics such as heat insulation;
(3) the present invention adopts thermosetting resin, not only helps soaking into fabric, and general thermosetting resin can be high temperature resistant, and mechanical property is excellent;
(4) high-strength, the sound insulation of composite material light of the present invention, heat-resisting new material have wide practical use in fields such as Aero-Space and communications and transportation.
Description of drawings
Fig. 1 is the structure chart that three-dimensional orthogonal woven fabric of the present invention strengthens the thermosetting resin honeycomb sandwich composite.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
Adopt three-dimensional orthogonal ramie woven fabric (institutional framework of tying up yarn is a plain weave) to strengthen top layer and the bottom of phenolic resins as the aramid fiber cellular material.Fabric warp thread, weft yarn and Z yarn fineness all are 34tex, and individual layer is through close: 180/10cm, the individual layer filling density: 155/10cm, the Z yarn density is: 180/10cm.Comprise 3 layers of warp thread and 4 layers of weft yarn in the fabric.Adopt the hand coating method that phenolic resins successively is coated in fabric face, then the fabric of pre-soaked resin is laid in the upper and lower surface of cellular material, fabric that lay is good and cellular material adopt vulcanizing press hot pressing; 140 ℃ of temperature; Pressure 1.5MPa, time 60mins promptly accomplishes processing after the cooling.
Embodiment 2
Adopt top layer and the bottom of three-dimensional orthogonal glass fibre woven fabric reinforced epoxy as aluminum honeycomb material.Fabric warp thread, weft yarn fineness all are 200tex, and Z yarn fineness is 100tex, and individual layer is through close: 55/10cm, the individual layer filling density: 60/10cm, the Z yarn density is: 55/10cm.Comprise 2 layers of warp thread and 3 layers of weft yarn in the fabric.Adopt the vacuum-assisted resin transfer method that epoxy resin successively is coated in fabric face, then the fabric of pre-soaked resin is laid in the upper and lower surface of aluminum honeycomb material, fabric that lay is good and aluminum honeycomb material adopt autoclave hot pressing; 120 ℃ of temperature, pressure 2MPa, time 60mins; Be warming up to 170 ℃; Pressure 2MPa, time 90mins promptly accomplishes processing after the cooling.
Comparative Examples 1
Adopt two-dimentional ramie woven fabric shop layer to strengthen top layer and the bottom of phenolic resins as the aramid fiber cellular material.Fabric warp thread and weft yarn fineness are 17tex, and through close: 180/10cm, filling density: 160/10cm, fabric construction is a plain weave, with 7 layers of the corresponding layings of the longitude and latitude interlacing point of fabric, adopt the hand coating method that phenolic resins successively is coated in fabric face.Then the fabric of pre-soaked resin is laid in the upper and lower surface of cellular material, fabric that lay is good and cellular material adopt vulcanizing press hot pressing, 140 ℃ of temperature, and pressure 1.5MPa, time 60mins promptly accomplishes processing after the cooling.
Comparative Examples 2
Adopt top layer and the bottom of the unordered net reinforced epoxy of glass fibre as aluminum honeycomb material.The glass fiber mesh surface density is 200g/m
2, top layer and bottom are respectively laid 3 layers, adopt the vacuum-assisted resin transfer method that epoxy resin successively is coated in fabric face.Then the glass fiber net of pre-soaked resin is laid in the upper and lower surface of aluminum honeycomb material, glass fiber net that lay is good and aluminum honeycomb material adopt autoclave hot pressing, 120 ℃ of temperature; Pressure 2MPa, time 60mins is warming up to 170 ℃; Pressure 2MPa, time 90mins promptly accomplishes processing after the cooling.
Table 1 is embodiment 1 and fabric construction, thickness of composite material and the incompressible intensity thereof described in the Comparative Examples 1
Table 2 is embodiment 1 and fabric construction, thickness of composite material and the incompressible intensity thereof described in the Comparative Examples 1
Claims (9)
1. a three-dimensional orthogonal woven fabric strengthens the thermosetting resin honeycomb sandwich composite; This interlayer composite material comprises top layer, sandwich layer and bottom; It is characterized in that: described top layer and bottom adopt three-dimensional orthogonal woven fabric to strengthen thermoset ting resin composite, and sandwich layer adopts cellular material.
2. a kind of three-dimensional orthogonal woven fabric according to claim 1 strengthens the thermosetting resin honeycomb sandwich composite; It is characterized in that: the used fiber of described three-dimensional orthogonal woven fabric is natural fiber, staple fibre or synthetic fibers, and used fineness of yarn scope is 10tex-3300tex.
3. a kind of three-dimensional orthogonal woven fabric according to claim 1 strengthens the thermosetting resin honeycomb sandwich composite, and it is characterized in that: the thickness range of described three-dimensional orthogonal woven fabric is 0.2mm-50mm.
4. a kind of three-dimensional orthogonal woven fabric according to claim 1 strengthens the thermosetting resin honeycomb sandwich composite, and it is characterized in that: the fabric structure of tying up yarn in the described three-dimensional orthogonal woven fabric is plain weave, twill or satin weave.
5. a kind of three-dimensional orthogonal woven fabric according to claim 1 strengthens the thermosetting resin honeycomb sandwich composite, and it is characterized in that: described thermosetting resin is unsaturated polyester resin, epoxy resin, phenolic resins, melamine resin, furane resins, polybutadiene or organic siliconresin.
6. a kind of three-dimensional orthogonal woven fabric according to claim 1 strengthens the thermosetting resin honeycomb sandwich composite; It is characterized in that: described cellular material is paper, metal, plastics, rubber or aramid fiber, and the thickness range of said cellular material is 5mm-250mm.
7. a three-dimensional orthogonal woven fabric strengthens the preparation method of thermosetting resin honeycomb sandwich composite, comprising:
At first thermosetting resin is coated on the three-dimensional orthogonal woven fabric, obtains being coated with the fabric of resin, then the above-mentioned fabric that is coated with resin is layered on the top layer and the bottom of honeycomb sandwich layer, carry out hot-forming, after the hot pressing cooling promptly get.
8. a kind of three-dimensional orthogonal woven fabric according to claim 7 strengthens the preparation method of thermosetting resin honeycomb sandwich composite, it is characterized in that: described being applied to adopts hand to be coated with the perhaps method of vacuum-assisted resin transfer moulding.
9. a kind of three-dimensional orthogonal woven fabric according to claim 7 strengthens the preparation method of thermosetting resin honeycomb sandwich composite, it is characterized in that: described hot-forming middle pressure limit is 1MPa-5Mpa.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975464A (en) * | 2012-11-27 | 2013-03-20 | 常州悦诚新材料有限公司 | Production method of thermoplastic plastic honeycomb sandwich panels reinforced by continuous fiberglass fabrics |
| CN104071092A (en) * | 2013-03-26 | 2014-10-01 | 南车青岛四方机车车辆股份有限公司 | Layered composite light acoustical material for rail train |
| CN104099847A (en) * | 2013-04-09 | 2014-10-15 | 住友橡胶工业株式会社 | Butt strap |
| CN105034477A (en) * | 2015-05-20 | 2015-11-11 | 奇瑞汽车股份有限公司 | Honeycomb sandwiched plate used in vehicles and preparation method of same |
| CN105459416A (en) * | 2014-05-27 | 2016-04-06 | 比亚迪股份有限公司 | Composite material product, preparation method and applications thereof |
| CN111516280A (en) * | 2020-03-31 | 2020-08-11 | 吉林大学 | Fiber-reinforced bionic composite material and preparation method thereof |
| CN113954466A (en) * | 2021-11-04 | 2022-01-21 | 成都鲁晨新材料科技有限公司 | Sandwich structure composite material, preparation method and application |
| CN114801376A (en) * | 2022-05-25 | 2022-07-29 | 江苏省纺织研究所股份有限公司 | Anti-explosion composite fabric with good coating property |
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| CN2489958Y (en) * | 2001-06-30 | 2002-05-08 | 方大集团股份有限公司 | Cellular composite board |
| CN101364669A (en) * | 2008-09-25 | 2009-02-11 | 东华大学 | Polyethylene reinforced radar cowl of ultra-high molecular weight, preparation and application thereof |
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Patent Citations (2)
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| CN2489958Y (en) * | 2001-06-30 | 2002-05-08 | 方大集团股份有限公司 | Cellular composite board |
| CN101364669A (en) * | 2008-09-25 | 2009-02-11 | 东华大学 | Polyethylene reinforced radar cowl of ultra-high molecular weight, preparation and application thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975464A (en) * | 2012-11-27 | 2013-03-20 | 常州悦诚新材料有限公司 | Production method of thermoplastic plastic honeycomb sandwich panels reinforced by continuous fiberglass fabrics |
| CN102975464B (en) * | 2012-11-27 | 2014-12-17 | 常州悦诚新材料有限公司 | Production method of thermoplastic plastic honeycomb sandwich panels reinforced by continuous fiberglass fabrics |
| CN104071092A (en) * | 2013-03-26 | 2014-10-01 | 南车青岛四方机车车辆股份有限公司 | Layered composite light acoustical material for rail train |
| CN104099847A (en) * | 2013-04-09 | 2014-10-15 | 住友橡胶工业株式会社 | Butt strap |
| CN105459416A (en) * | 2014-05-27 | 2016-04-06 | 比亚迪股份有限公司 | Composite material product, preparation method and applications thereof |
| CN105034477A (en) * | 2015-05-20 | 2015-11-11 | 奇瑞汽车股份有限公司 | Honeycomb sandwiched plate used in vehicles and preparation method of same |
| CN111516280A (en) * | 2020-03-31 | 2020-08-11 | 吉林大学 | Fiber-reinforced bionic composite material and preparation method thereof |
| CN113954466A (en) * | 2021-11-04 | 2022-01-21 | 成都鲁晨新材料科技有限公司 | Sandwich structure composite material, preparation method and application |
| CN114801376A (en) * | 2022-05-25 | 2022-07-29 | 江苏省纺织研究所股份有限公司 | Anti-explosion composite fabric with good coating property |
| CN114801376B (en) * | 2022-05-25 | 2024-05-28 | 江苏省纺织研究所股份有限公司 | Antiknock composite fabric with good coating property |
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Application publication date: 20120912 |