CN112960105A - Electric-drive continuous carbon fiber reinforced shape memory polymer deformation skin with designable resistance - Google Patents
Electric-drive continuous carbon fiber reinforced shape memory polymer deformation skin with designable resistance Download PDFInfo
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- CN112960105A CN112960105A CN202110331763.4A CN202110331763A CN112960105A CN 112960105 A CN112960105 A CN 112960105A CN 202110331763 A CN202110331763 A CN 202110331763A CN 112960105 A CN112960105 A CN 112960105A
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- China
- Prior art keywords
- shape memory
- continuous carbon
- memory polymer
- carbon fiber
- skin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/26—Construction, shape, or attachment of separate skins, e.g. panels
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/08—Copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/02—Polyalkylene oxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
Abstract
The invention provides an electrically-driven continuous carbon fiber reinforced shape memory polymer deformation skin with a designable resistance, which comprises a shape memory polymer matrix and at least one non-linearly arranged continuous carbon fiber; the shape memory polymer matrix is coated on the exterior of the continuous carbon fiber. According to the scheme, the non-linearly arranged continuous carbon fiber reinforced shape memory polymer deformation skin is used, and under the deformable condition, compared with the condition that particles or short fibers are simply filled, the mechanical property of the skin is further improved; the continuous carbon fibers and the conductive particles are used as a reinforcing body and a conductive network, so that functional integration can be realized; the resistance value of the carbon fiber is designed by adjusting the length of the continuous carbon fiber, and joule heat is transferred through the conductive particles according to the use condition, so that the resistance value of the skin is matched with the applied voltage, and the damage of the shape memory polymer due to instantaneous high temperature can be prevented while the temperature of the skin is rapidly increased.
Description
Technical Field
The invention relates to the technical field of aviation, in particular to an electrically-driven continuous carbon fiber reinforced shape memory polymer deformation skin with a designable resistance.
Background
Under the power-on condition, the electrically-driven shape memory polymer skin can drive the self-deformation by using the joule heat effect without additionally providing a heating system. Most shape memory polymers are electrically insulating and high-heat-resistance materials, and in order to enable the shape memory polymer skin to realize larger deformation and have an electrically driven deformation function, the reinforcing materials are usually conductive powder or chopped carbon fibers. The carbon fiber has low elongation, so that the carbon fiber is not suitable for manufacturing the deformable wing skin by using the continuous carbon fiber, the resistance of the continuous carbon fiber is generally low, the heat conductivity coefficient of the shape memory polymer is low, and once the applied voltage is not suitable, the instantaneous high temperature generated by electrifying the continuous carbon fiber cannot be diffused to the polymer in time, so that the shape memory polymer is easily damaged.
Disclosure of Invention
The invention aims to provide an electrically-driven continuous carbon fiber reinforced shape memory polymer deformation skin capable of designing resistance, aiming at the defects in the prior art, the scheme adopts nonlinear arranged continuous carbon fibers and conductive particles as a reinforcing material and a conductive network, has better mechanical property, can accurately design the resistance value of the skin, enables the resistance value of the skin to be matched with applied voltage, and can avoid the damage of the shape memory polymer due to instantaneous high temperature while realizing the rapid temperature rise of the skin.
The scheme is realized by the following technical measures:
an electrically-driven continuous carbon fiber reinforced shape memory polymer deformation skin with a designable resistance comprises a shape memory polymer matrix and at least one non-linear arranged continuous carbon fiber; the shape memory polymer matrix is coated on the exterior of the continuous carbon fiber.
The scheme is preferably as follows: at least one continuous carbon fiber which is arranged along a horizontal plane and has the same arrangement direction is arranged on the horizontal plane of the shape memory polymer matrix.
The scheme is preferably as follows: conductive particles can be arranged in the shape memory polymer matrix, and the conductive particles are not in contact with the continuous carbon fibers.
The scheme is preferably as follows: the resistance value of the skin can be designed by controlling the length of the non-linearly arranged continuous carbon fibers.
The scheme is preferably as follows: the skin resistance value can be designed by controlling the length of the non-linear arranged continuous carbon fibers and changing the content of the conductive particles.
The scheme is preferably as follows: the conductive loop of the skin is composed of continuous carbon fibers alone or together with conductive particles.
The scheme is preferably as follows: the shape memory polymer matrix is one or a mixture of shape memory styrene copolymer, shape memory epoxy copolymer and shape memory cyanate copolymer.
The scheme is preferably as follows: the material of the conductive particles is carbon black or carbon nanotubes.
The beneficial effects of the scheme can be known from the description of the scheme, as the non-linear arranged continuous carbon fiber reinforced shape memory polymer deformation skin is used in the scheme, the mechanical properties of the skin are further improved in the deformable condition compared with the situation of simply filling particles or short fibers; the continuous carbon fibers and the conductive particles are used as a reinforcing body and a conductive network, so that functional integration can be realized; the resistance value of the carbon fiber is designed by adjusting the length of the continuous carbon fiber, and joule heat is transferred through the conductive particles according to the use condition, so that the resistance value of the skin is matched with the applied voltage, and the damage of the shape memory polymer due to instantaneous high temperature can be prevented while the temperature of the skin is rapidly increased.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
FIG. 3 is a schematic view of the skin deployment process of the present invention.
In the figure, 1 is a shape memory polymer matrix, 2 is continuous carbon fibers, and 3 is conductive particles.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example (b):
the number of the continuous carbon fibers 2 arranged in a non-linear shape and the length of each of the continuous carbon fibers arranged in a non-linear shape are determined according to the size of the skin and the resistivity of the carbon fibers, and the number of layers of each of the continuous carbon fibers arranged in a non-linear shape in the thickness direction of the skin is further determined. As shown in fig. 2, a piece of continuous carbon fiber arranged in a non-linear shape has three layers distributed in the thickness direction of the shape memory polymer matrix 1; according to different resistance values and using conditions of the skin, a variable amount of conductive particles 3 can be added, and the conductive particle reinforcement 3 is uniformly dispersed in the shape memory polymer matrix 1.
In the embodiment, under the power-on condition, the skin is heated by joule heat generated by self resistance, when the shape memory polymer is above the glass transition temperature, the skin is changed into a U-shaped structure through the driver, then the power is cut off, and the shape of the skin is fixed after being cooled; when energized again, the deformed skin can quickly return to its original shape, as shown in FIG. 3.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (8)
1. An electrically-driven continuous carbon fiber reinforced shape memory polymer deformation skin with designable resistance is characterized in that: comprising a shape memory polymer matrix and at least one non-linearly arranged continuous carbon fiber; the shape memory polymer matrix is coated outside the continuous carbon fibers.
2. The electrically driven continuous carbon fiber reinforced shape memory polymer morphing skin of designable resistance of claim 1, wherein: at least one continuous carbon fiber which is arranged along the horizontal plane and has consistent arrangement direction is arranged on one horizontal plane of the shape memory polymer matrix.
3. The electrically driven continuous carbon fiber reinforced shape memory polymer morphing skin of designable resistance of claim 1, wherein: conductive particles can be arranged in the shape memory polymer matrix, and the conductive particles are not in contact with the continuous carbon fibers.
4. The electrically driven continuous carbon fiber reinforced shape memory polymer morphing skin of designable resistance of claim 1, wherein: the resistance value of the skin can be designed by controlling the length of the non-linearly arranged continuous carbon fibers.
5. The electrically driven continuous carbon fiber reinforced shape memory polymer morphing skin of designable resistance of claim 3, wherein: the skin resistance value can be designed by controlling the length of the non-linear arranged continuous carbon fibers and changing the content of the conductive particles.
6. An electrically driven continuous carbon fiber reinforced shape memory polymer deformable skin of programmable resistance according to claim 1 or 3, characterized in that: the conductive loop of the skin is composed of continuous carbon fibers alone or together with conductive particles.
7. The electrically driven continuous carbon fiber reinforced shape memory polymer morphing skin of designable resistance of claim 1, wherein: the shape memory polymer matrix is one or a mixture of shape memory styrene copolymer, shape memory epoxy copolymer and shape memory cyanate copolymer.
8. The electrically driven continuous carbon fiber reinforced shape memory polymer morphing skin of designable resistance of claim 1, wherein: the conductive particles are made of carbon black or carbon nanotubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331763.4A CN112960105A (en) | 2021-03-29 | 2021-03-29 | Electric-drive continuous carbon fiber reinforced shape memory polymer deformation skin with designable resistance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331763.4A CN112960105A (en) | 2021-03-29 | 2021-03-29 | Electric-drive continuous carbon fiber reinforced shape memory polymer deformation skin with designable resistance |
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| CN112960105A true CN112960105A (en) | 2021-06-15 |
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| CN202110331763.4A Pending CN112960105A (en) | 2021-03-29 | 2021-03-29 | Electric-drive continuous carbon fiber reinforced shape memory polymer deformation skin with designable resistance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115675833A (en) * | 2022-12-29 | 2023-02-03 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Polymorphic deformation wing based on active deformation skin |
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| US20100282906A1 (en) * | 2009-05-10 | 2010-11-11 | Raytheon Company | Multi-layer metal/shape memory polymer roll-up wing structures for fitment-constrained air vehicles |
| GB201205710D0 (en) * | 2012-03-30 | 2012-05-16 | Mbda Uk Ltd | Composite material suitable for a morphing skin |
| CN103332289A (en) * | 2013-06-09 | 2013-10-02 | 哈尔滨工业大学 | Shape memory polymer variable stiffness skin |
| US20150101325A1 (en) * | 2013-10-11 | 2015-04-16 | University Of Dayton | Reconfigurable skin system based on spatially targeted activation of shape memory polymers |
| CN105460228A (en) * | 2014-08-15 | 2016-04-06 | 波音公司 | Conductive thermoplastic ground plane for use in an aircraft |
| CN109096699A (en) * | 2018-07-10 | 2018-12-28 | 哈尔滨工业大学 | A kind of electric drive shape memory polymer composite material and preparation method thereof |
| WO2020249900A1 (en) * | 2019-06-12 | 2020-12-17 | Centre National d'Études Spatiales | Shape-memory tubular structure |
| CN112550663A (en) * | 2020-12-08 | 2021-03-26 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Deformable wing based on intelligent driving device |
-
2021
- 2021-03-29 CN CN202110331763.4A patent/CN112960105A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100266867A1 (en) * | 2006-06-13 | 2010-10-21 | Geerardus Hubertus Joannes Jozeph Roebroeks | Laminate of metal sheets and polymer |
| CN101652243A (en) * | 2007-03-08 | 2010-02-17 | 阿伦尼亚航空器材股份公司 | Composite product that temperature and humidity is controlled and using method thereof |
| CN101513932A (en) * | 2009-03-30 | 2009-08-26 | 哈尔滨工业大学 | Deformable aerofoil cover with changeable rigidity |
| US20100282906A1 (en) * | 2009-05-10 | 2010-11-11 | Raytheon Company | Multi-layer metal/shape memory polymer roll-up wing structures for fitment-constrained air vehicles |
| GB201205710D0 (en) * | 2012-03-30 | 2012-05-16 | Mbda Uk Ltd | Composite material suitable for a morphing skin |
| CN103332289A (en) * | 2013-06-09 | 2013-10-02 | 哈尔滨工业大学 | Shape memory polymer variable stiffness skin |
| US20150101325A1 (en) * | 2013-10-11 | 2015-04-16 | University Of Dayton | Reconfigurable skin system based on spatially targeted activation of shape memory polymers |
| CN105460228A (en) * | 2014-08-15 | 2016-04-06 | 波音公司 | Conductive thermoplastic ground plane for use in an aircraft |
| CN109096699A (en) * | 2018-07-10 | 2018-12-28 | 哈尔滨工业大学 | A kind of electric drive shape memory polymer composite material and preparation method thereof |
| WO2020249900A1 (en) * | 2019-06-12 | 2020-12-17 | Centre National d'Études Spatiales | Shape-memory tubular structure |
| CN112550663A (en) * | 2020-12-08 | 2021-03-26 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Deformable wing based on intelligent driving device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115675833A (en) * | 2022-12-29 | 2023-02-03 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Polymorphic deformation wing based on active deformation skin |
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Application publication date: 20210615 |
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