CN210634195U - Composite material capable of resisting edge damage - Google Patents
Composite material capable of resisting edge damage Download PDFInfo
- Publication number
- CN210634195U CN210634195U CN201921655161.9U CN201921655161U CN210634195U CN 210634195 U CN210634195 U CN 210634195U CN 201921655161 U CN201921655161 U CN 201921655161U CN 210634195 U CN210634195 U CN 210634195U
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- Prior art keywords
- composite material
- edge
- composite
- layer
- edge damage
- 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.)
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- 239000002131 composite material Substances 0.000 title claims description 61
- 239000004744 fabric Substances 0.000 claims description 37
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 45
- 238000005520 cutting process Methods 0.000 description 13
- 239000011162 core material Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- 239000006260 foam Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 239000004840 adhesive resin Substances 0.000 description 4
- 229920006223 adhesive resin Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000011185 multilayer composite material Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
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- Laminated Bodies (AREA)
Abstract
The utility model provides an anti edge damage's combined material, combined material is multilayer structure, the outermost one deck of combined material or two-layer edge leave sufficient extra length, turn over to another on the outmost of same edge, form borduring of closely wrapping up, can effectively avoid combined material's fracture, swell or secondary physical damage, moisture absorption scheduling problem, obviously improve combined material's life.
Description
Technical Field
The utility model relates to a combined material field, concretely relates to anti edge damage's combined material.
Background
With the aging of fiber reinforced composite molding technology, the number and range of applications of composite materials are gradually expanding, and some problems, such as cracking, bulging, edge damage, moisture absorption and failure of sandwich composite materials, are gradually exposed in the engineering application of composite materials. These problems are closely related to the manufacturing process and technology of the composite material, and in order to solve the cracking problem and the bulging problem, engineering technicians adopt various interlayer connection technologies, such as three-dimensional weaving, sewing technology, needling technology and the like, and achieve certain effects. However, most of the composite materials are laminated, the edges are open, especially the sandwich composite material, which inevitably brings many disadvantages, such as secondary damage of the edges, edge cracking, interlayer swelling, failure problem, moisture absorption problem of the sandwich material at the edges, and the like, and directly affects the service performance and service life of the composite material.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an anti edge damage's combined material.
The purpose of the utility model is realized by adopting the following technical scheme:
the composite material is characterized in that extra length is left at the edge of one or two outermost layers of the composite material and is turned to the other outermost layer of the same edge to form a wrapped edge;
preferably, the composite material is a laminated composite material or a sandwich composite material;
preferably, the multilayer structure is a 6-8 layer structure;
preferably, one or two outermost layers of the composite material are reinforcing fabrics or prepregs;
further preferably, one or two outermost layers of the composite material are reinforcing fabrics, and the inner side of the edge covering is coated with adhesive resin;
preferably, the reinforcing fabric is a glass fiber plain fabric or a glass fiber twill fabric;
preferably, the prepreg is a carbon fiber fabric prepreg;
preferably, the sandwich composite material is a foam or honeycomb core material composite material;
preferably, the binder resin is a thermosetting resin or a thermoplastic resin;
preferably, the thermosetting resin is one of epoxy resin, phenolic resin, unsaturated polyester, vinyl resin and polyurethane; the thermoplastic resin is one of polypropylene, polyurethane, polyimide, ABS resin, high-density polyethylene, polycarbonate, thermoplastic polyester, polyphenylene sulfide, polyformaldehyde, polycarbonate, polyether ether ketone and polylactic acid.
The utility model has the advantages that:
(1) the edge of the composite material is protected by the edge covering technology, so that the cracking or secondary physical damage to the edge of the composite material is reduced or avoided;
(2) the foam core or the honeycomb core of the sandwich composite material is isolated from the outside through a wrapping technology, so that the moisture absorption problem of the foam core or the honeycomb core is avoided, meanwhile, the cracking, bulging or secondary physical damage of the sandwich composite material is reduced or avoided, and the service life of the composite material is prolonged by more than 20%.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
FIG. 1 is a schematic view of a structure of an edge damage resistant laminated composite material;
FIG. 2 is a schematic view of the structure of a sandwich composite material with resistance to edge damage.
Reference numerals: 1-uppermost layer; 2-upper sublayer; 3-edge wrapping; 4-an intermediate layer; 5-the lowest layer; 6-the lowest sublayer; 7-foam core.
Detailed Description
The invention will be further described with reference to the following examples.
Embodiments of the present application relate to an edge damage resistant composite and fabrication thereof.
For the composite material completely composed of the reinforced fabric or the prepreg, the uppermost or the lowermost layer or two layers of each edge are reserved with the reinforced fabric or the prepreg with extra length in the manufacturing process of the composite material, the length is determined according to the thickness of the edge and is not shorter than the thickness of the edge, the inner side of the fabric is required to be uniformly coated with adhesive resin for the reinforced fabric edge covering, then the reinforced fabric edge covering is turned over to the other outermost layer of the same edge and is tightly wrapped to form the edge covering, the prepreg edge covering is directly turned over the lowermost or the uppermost layer or two layers to the other outermost layer of the same edge to form the edge covering, then a mold is used for shaping the multilayer composite material, the temperature is raised for curing, and the mold is opened to take out a piece, so that the;
for a composite material structure with a sandwich layer in the middle, such as a foam or honeycomb core composite material, the foam or honeycomb core material is completely wrapped by using a wrapping technology, the lowest layer or two layers are turned to the uppermost layer, or the highest layer or two layers are turned to the lowest layer and are tightly wrapped to form a wrapping edge, then the sandwich composite material is shaped by using a mold, the temperature is raised for curing, and the mold is opened to take out a part, so that the complete side sandwich composite material is obtained.
The fabric or prepreg needs to be cut at the corners, and the cutting fold line or curve is specifically determined by the shape of the corners, so that no crease or bulge is formed in the edge covering process.
Example 1
The composite material capable of resisting edge damage is a glass fiber laminated composite material, and the preparation method comprises the following steps:
and 3, shaping the 6 layers of composite materials by using a mold, heating and curing, and opening the mold to take out the parts to obtain the complete edge 6 layers of composite materials.
Example 2
The composite material capable of resisting edge damage is a carbon fiber fabric prepreg laminated composite material, and the preparation method comprises the following steps:
and 3, shaping the 8-layer composite material by using a mold, heating and curing, and opening the mold to take out a part to obtain the complete edge 8-layer composite material.
Example 3
The composite material is a composite material which is prepared by taking carbon fiber fabric prepreg as a laying layer, 4 layers of upper and lower layers and sandwiching a foam core, and the preparation method comprises the following steps:
and 3, completely isolating the foam core of the sandwich layer composite material structure from the outside by using a wrapping technology, shaping the multilayer composite material by using a mold, heating and curing, opening the mold and taking out a part to obtain the complete side sandwich layer composite material.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The composite material is characterized by having a multi-layer structure, wherein extra length is left at the edge of one or two outermost layers of the composite material, and the composite material is turned to the other outermost layer of the same edge to form a wrapped edge.
2. The edge damage resistant composite of claim 1 wherein the composite is a laminate composite or a sandwich composite.
3. An edge damage resistant composite according to claim 1 wherein said multilayer structure is a 6-8 layer structure.
4. An edge damage resistant composite according to claim 1 wherein one or both outermost layers of the composite is a reinforcing fabric or prepreg.
5. An edge damage resistant composite material as claimed in claim 4 wherein one or both of the outermost layers of the composite material is a reinforcing fabric and the inside of the hem is coated with a binder resin.
6. An edge damage resistant composite as claimed in claim 4 or 5 wherein said reinforcing fabric is a plain or twill weave of glass fibers.
7. An edge damage resistant composite material according to claim 4 wherein said prepreg is a carbon fiber fabric prepreg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655161.9U CN210634195U (en) | 2019-09-30 | 2019-09-30 | Composite material capable of resisting edge damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655161.9U CN210634195U (en) | 2019-09-30 | 2019-09-30 | Composite material capable of resisting edge damage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210634195U true CN210634195U (en) | 2020-05-29 |
Family
ID=70791724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921655161.9U Active CN210634195U (en) | 2019-09-30 | 2019-09-30 | Composite material capable of resisting edge damage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210634195U (en) |
-
2019
- 2019-09-30 CN CN201921655161.9U patent/CN210634195U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Composite material for resisting edge damage Effective date of registration: 20220124 Granted publication date: 20200529 Pledgee: Zhaoqing SME Financing Guarantee Co.,Ltd. Pledgor: GUANGDONG YATAI NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980001052 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200529 Pledgee: Zhaoqing SME Financing Guarantee Co.,Ltd. Pledgor: GUANGDONG YATAI NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980001052 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A composite material resistant to edge damage Granted publication date: 20200529 Pledgee: Zhaoqing SME Financing Guarantee Co.,Ltd. Pledgor: GUANGDONG YATAI NEW MATERIAL TECHNOLOGY Co.,Ltd.|Guangdong Yaxin Nonmetallic Material Technology Co.,Ltd.|GUANGDONG ASIA-PACIFIC LIGHTWEIGHT TECHNOLOGY RESEARCH Co.,Ltd. Registration number: Y2024980002168 |