CN108428783A - A kind of longitudinal direction gradient piezoelectric fibre composite material and preparation method thereof - Google Patents
A kind of longitudinal direction gradient piezoelectric fibre composite material and preparation method thereof Download PDFInfo
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- CN108428783A CN108428783A CN201810216363.7A CN201810216363A CN108428783A CN 108428783 A CN108428783 A CN 108428783A CN 201810216363 A CN201810216363 A CN 201810216363A CN 108428783 A CN108428783 A CN 108428783A
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- 239000000835 fiber Substances 0.000 title claims abstract description 97
- 239000002131 composite material Substances 0.000 title claims abstract description 94
- 238000002360 preparation method Methods 0.000 title claims description 11
- 239000004744 fabric Substances 0.000 claims abstract description 47
- 229920000642 polymer Polymers 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- 230000010287 polarization Effects 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 229920002627 poly(phosphazenes) Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 17
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000004382 potting Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- QNZFKUWECYSYPS-UHFFFAOYSA-N lead zirconium Chemical compound [Zr].[Pb] QNZFKUWECYSYPS-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000344 molecularly imprinted polymer Polymers 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 239000002520 smart material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- H—ELECTRICITY
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- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/702—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive fibres
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- H—ELECTRICITY
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- H10N30/01—Manufacture or treatment
- H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
- H10N30/057—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes by stacking bulk piezoelectric or electrostrictive bodies and electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/852—Composite materials, e.g. having 1-3 or 2-2 type connectivity
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Abstract
The present invention discloses a kind of longitudinal gradient piezoelectric fibre composite material, it is made of two panels interdigital electrode, piezoelectric fabric and high molecular polymer, piezoelectric fabric and high molecular polymer are alternately arranged, piezoelectric fabric and high molecular polymer are between upper and lower two panels interdigital electrode, upper and lower two interdigital electrodes are symmetrical in minute surface, and the anode electrode of upper and lower two panels interdigital electrode refers to portion and negative electrode refers to longitudinal direction continuous gradient variation of the finger spacing between portion along gradient piezoelectric fibre composite material.Gradient piezoelectric fibre composite material in longitudinal direction of the present invention has high-flexibility and excellent drive characteristic, and the driving deformability of consecutive variations can be provided in the longitudinal direction of piezoelectric fibre composite material；Gradient piezoelectric fibre composite material integrates piezoelectric fabric, polymer and interdigital electrode, and integrated level is high, easy to operation and use；In addition, gradient piezoelectric fibre composite material is prepared using cutting completion method, simple process and low cost is honest and clean, with short production cycle, and properties of product are stablized.
Description
Technical field
The present invention relates to a kind of piezo-electricity composite material, the finger spacing of especially used electrode is the piezoelectricity fibre of gradient-structure
Tie up composite material and preparation method.
Background technology
Smart material and structure refers to blending driver, sensor and micro treatment control system and basis material, can
To perceive and handle a kind of internal, external information new material and structure.By being responded to the variation of environment, intelligent material
Material realizes the functions such as self-deformation, self diagnosis, the adaptive, selfreparing of material with structure, has become emerging more
Section's cross-synthesis science is one of current International Academic front subject.Piezoelectric material is as the intellectual material being most widely used
One of, it has been had been widely used in fields such as sensor, energy converter, non-destructive testing and mechanicss of communication.
In order to solve the problems such as deformation existing for piezoelectric material is small, brittleness is big, Massachusetts Institute Technology was in 1993 years head
Secondary circular piezoelectric fibrous composite this intelligent piezo composite material of proposing.But this structure uses circular fiber as function
Phase causes the contact area of fiber and electrode smaller, and electrical efficiency is relatively low, and prepares composite technology using circular fiber and answer
Miscellaneous, yield rate is low.In order to improve fault of construction existing for circular piezoelectric fibrous composite, US Airways space flight Space Agency uses
Rectangular piezoelectric fiber is improved structure instead of circular piezoelectric fiber, and it is fine to have obtained current widely used Rectangular piezoelectric
Tie up composite material.The composite material is using two panels in mirror-symmetrical interdigital electrode to unidirectional and equally distributed piezoelectricity fibre
Dimension is packaged gained, and interdigital electrode structure can efficiently use the d of piezoelectric fabric33Performance so that composite material have compared with
Big actuation performance, while also reducing polarization and driving voltage.With the Piezoelectric anisotropy material of piezoelectric ceramics and other structures pattern
Material is compared, and piezoelectric fibre composite material unidirectional drive power is big, thickness is thin, light-weight, suppleness is high, can be significantly bent and
It reverses and is easy to paste on labyrinth surface as additional structure, greatly widened the application field of piezoelectric device.
In recent years, piezoelectric fibre composite material as driver in large-scale intelligent structure, such as deployable antenna structure, lifting airscrew system
The fields such as shape control, vibration control, Flutter Suppression and the chatter control of system etc. show wide application prospect.
But due to being prepared many factors such as yield rate by piezoelectric ceramics fiber preparation process and piezoelectric fibre composite material
The full-size of limitation, current commercialized piezoelectric fibre composite material effective coverage is 85mm × 57mm.When by piezoelectric fabric
Composite material as driver applications when the large scale structure, such as to deployable antenna structure, lifting airscrew large body knot
When structure carries out vibration or Deformation control, need multi-disc piezoelectric fibre composite material being pasted on agent structure by specific ply sequence
In need deformed region, and relevant voltage is applied to monolithic piezoelectric fibrous composite respectively and carries out drive control, to reach set
Driving effect.Piezoelectric fabric is in the horizontal direction of composite material in the monolithic piezoelectric fibrous composite being commonly used
Uniform period is arranged, i.e., fiber width and spacing are steady state value, and each electrode finger structural parameters phase in interdigital electrode
Together, i.e. positive and negative electrode refers to that portion is of same size, adjacent electrode anode refer to portion and cathode refer to portion spacing it is identical, therefore can be difference
The piezoelectric fabric in region provides identical polarized electric field and driving electric field, and then ensure that piezoelectric fibre composite material in not same district
Domain all has identical driving capability.
To ensure that large body structure achievees the effect that corresponding vibration control or Deformation control, need to agent structure
Different zones are controlled respectively.It, need to be according to specific ply sequence to maintain the continuity of agent structure vibration or Deformation control
Deformed region is needed to paste multi-disc piezoelectric fibre composite material in agent structure, and to the multi-disc piezoelectric fibre composite material of laying point
Do not apply different driving voltages, to significantly increase the complexity of additional driving power source system, leads to the lightweight of system
Design is by extreme influence.Also, driving force is step evolution between this layout makes adjacent multi-disc piezoelectric fibre composite material
Variation, easily leads to agent structure and distortion point or region occurs, it is difficult to maintain the steady of agent structure vibration control or Deformation control
Consecutive variations.
Invention content
In view of the above defects of the prior art, the purpose of the present invention is to provide a kind of gradient piezoelectric fabric is compound
Material has in longitudinal direction gradient-driven deformability, high flexibility and excellent drive characteristic.
A kind of longitudinal gradient piezoelectric fibre composite material of the present invention, by two panels interdigital electrode, piezoelectric fabric and height
Molecularly Imprinted Polymer is constituted, it is characterised in that：The piezoelectric fabric and high molecular polymer are located at upper and lower two panels interdigital electrode
Between, and piezoelectric fabric and high molecular polymer are alternately arranged in the horizontal direction of piezoelectric fibre composite material, described upper and lower two
A interdigital electrode is symmetrical in minute surface, and the anode of interdigital electrode refers to portion and cathode refers to portion and do not arrange equidistantly alternately,
I.e. adjacent electrode anode refer to portion and cathode refer to finger spacing between portion along piezoelectric fibre composite material longitudinal direction in continuous ladder
Degree variation.
Further, the continuous gradient, which changes, is：Along the longitudinal direction of piezoelectric fibre composite material, adjacent interdigital
The spacing that electrode anode refers to portion and cathode refers between portion is gradually successively decreased, and is shown as electrode finger spacing and is decremented to numerical value B's by numerical value A
Longitudinal gradient piezoelectric fibre composite material, wherein 1.5 mm >=A ＞ B >=0.5 mm；Such gradient piezoelectric fibre composite material tool
There is longitudinal direction driving force gradually increased rule.
Further, the continuous gradient, which changes, is：Along the longitudinal direction of piezoelectric fibre composite material, adjacent electrode anode
Finger portion and cathode refer to after the spacing between portion is first gradually incremented by and gradually successively decrease, and show as electrode finger spacing and are incremented to number by numerical value B
Value A is then gradually decremented to longitudinal gradient piezoelectric fibre composite material of numerical value b again, wherein the 1.5 mm >=A ＞ mm of B >=0.5,
1.5 mm >=A ＞ b >=0.5 mm；There is such gradient piezoelectric fibre composite material driving force in the middle part of longitudinal direction to be less than longitudinal two
The rule of side driving force.
Further, the continuous gradient, which changes, is：Along the longitudinal direction of piezoelectric fibre composite material, adjacent electrode anode
Finger portion and cathode refer to the spacing between portion and first successively decrease to be incremented by afterwards, show as electrode finger spacing by numerical value A be gradually decremented to numerical value B with
Gradually it is incremented to longitudinal gradient piezoelectric fibre composite material of numerical value a again afterwards；Wherein, 1.5 mm >=A ＞ B >=0.5 mm, 1.5
Mm >=a ＞ B >=0.5 mm；There is such gradient piezoelectric fibre composite material driving force in the middle part of longitudinal direction to be more than longitudinal both sides drive
The rule of power.
The material of the piezoelectric fabric can be piezoelectric ceramics or piezoelectric monocrystal.
The high molecular polymer is thermosetting resin.
The interdigital electrode is the flexibility that is printed on one side being made of the electrode layer of polyimide film and plating thereon
Wiring board.
The preparation method of gradient piezoelectric fibre composite material in longitudinal direction of the present invention, step include：
1）Piezoelectricity block materials are cut into piezoelectric sheet, and piezoelectric sheet is cut along the longitudinal direction and obtains width on horizontal direction
Spend consistent piezoelectric fabric.
2) in step 1）Filled high polymer polymer in the piezoelectric fabric gap of gained, obtains piezoelectric fabric and polyphosphazene polymer
Close the alternately arranged piezoelectric fabric/polymer composite of object.
3) etching technics is used to obtain single side interdigital electrode wiring board, wherein interdigital electrode adjacent electrode just
Pole refers to portion and cathode refers to the finger spacing in portion with graded rule.
4) step 2 is taken）Gained two panels interdigital electrode wiring board is symmetrically respectively overlay in step 2 in minute surface）Gained is multiple
The upper and lower surface for closing object obtains longitudinal gradient piezoelectric fibre composite material by encapsulation.
5) to step 4）Gained longitudinal direction gradient piezoelectric fibre composite material is polarised.
Step 1）In, the thickness of the piezoelectric sheet is 0.15~0.3 mm, and width is 10~60.0 mm, length 25
~150 mm.
Step 1）In, the thickness of the piezoelectric fabric is 0.15~0.3 mm, and width is 0.15~0.3 mm, length 25
~150 mm.
Step 1）In, the piezoelectric fabric gap is 0.05~0.2 mm.
Step 3）In, the electrode finger spacing of the interdigital electrode is 0.5~1.5 mm.
Step 3）In, the electrode width of the interdigital electrode is 0.06~0.10 mm.
Step 5）In, the method for polarized treatment is in room temperature silicone oil according to 2.5~3.5 kV/mm × adjacent positive and negative electricity
Pole refers to portion's spacing and applies polarizing voltage, and the polarization time is 10~40 min.
Technical solution of the present invention advantageous effect is：Compared with the piezoelectric material of existing different structure type, the present invention is vertical
Into gradient piezoelectric fibre composite material, the adjacent positive of interdigital electrode refers to portion and cathode refers to the finger spacing in portion along gradient pressure
The longitudinal direction of electric fibrous composite changes in continuous gradient, can provide consecutive variations in the longitudinal direction of composite material
Drive deformability；Gradient piezoelectric fibre composite material integrates piezoelectric fabric, polymer and interdigital electrode, integrated level
Height, easy to operation and use；In addition, gradient piezoelectric fibre composite material is prepared using cutting-completion method, simple for process, cost
Cheap, with short production cycle, properties of product are stablized.
Description of the drawings
Fig. 1 is longitudinal gradient piezoelectric fibre composite material structural schematic diagram of embodiment 1.
Fig. 2 is longitudinal gradient piezoelectric fibre composite material structural schematic diagram of embodiment 2.
Fig. 3 is longitudinal gradient piezoelectric fibre composite material structural schematic diagram of embodiment 3.
In figure：1., the anode of interdigital electrode refer to portion, 2. the cathode of interdigital electrode refers to portion, 3., piezoelectric fabric,
4., high molecular polymer.
Specific implementation mode
The present invention is further described with reference to specific embodiment, without departing from the idea case in the present invention described above,
The various replacements or change made according to ordinary skill knowledge and customary means, are included within the scope of the present invention.
Embodiment 1：
A kind of longitudinal direction gradient piezoelectric fibre composite material, by two panels interdigital electrode, piezoelectric fabric and high molecular polymer structure
At the piezoelectric fabric and high molecular polymer are alternately arranged, and the piezoelectric fabric and high molecular polymer are located at upper and lower two panels
Between interdigital electrode, and upper and lower two interdigital electrodes are symmetrical in minute surface, and the anode of the interdigital electrode refers to portion
Refer to portion with cathode not arrange equidistantly alternately, the anode electrode of interdigital electrode refers to portion and negative electrode refers to the spacing between portion
Longitudinal direction along gradient piezoelectric fibre composite material changes in continuous gradient, along the longitudinal direction side of gradient piezoelectric fibre composite material
Refer to portion to the anode electrode of interdigital electrode and negative electrode refers to the spacing between portion and gradually successively decreases, shows as electrode finger spacing
1.25 mm are gradually incremented to by 0.7 mm, wherein incrementally amplitude is 0.05mm.
Preparation method, step are：
1. being cut to lead zirconate titanate P-51 ceramic blocks using cutting machine, it is 15.5 mm, length 23.4 to obtain width
Mm, thickness are the lead zirconate titanate P-51 piezoelectric ceramic thin sheets of 0.18 mm；Utilize the fine cut machine that saw blade thickness is 0.07 mm
Lead zirconate titanate P-51 piezoelectric ceramic thin sheets are equidistantly cut along the longitudinal direction, obtain gap and width point on horizontal direction
Not Wei 0.07 mm and 0.3 mm piezoelectric fabric.
2. the potting resin 2020 in lead zirconate titanate P-51 piezoelectric fabrics gap obtains fiber width and resin width point
Not Wei 0.3 mm and 0.07 mm lead zirconate titanate P-51 piezoelectric ceramic fibers/resin complexes.
3. obtaining the single side interdigital electrode that overall thickness is about 0.07 mm on single-side coated copper plate using etching technics
Wiring board, the anode of wherein interdigital electrode refer to portion and cathode to refer to the width in portion be 0.08 mm, and intersect along the longitudinal direction
Finger electrodes adjacent electrode anode refer to portion and cathode to refer to the finger spacing between portion gradual by 0.7 mm with the incremental amplitude of 0.05 mm
It is incremented to 1.25 mm.
4. being symmetrically covered each by lead zirconate titanate P-51 piezoelectric ceramic fibers/tree in minute surface with two panels interdigital electrode
The upper and lower surface of fat complexes is packaged to obtain longitudinal gradient piezoelectric fibre composite material by applying pressure and temperature；It will
Longitudinal gradient piezoelectric fibre composite material is positioned in room temperature silicone oil, and 15 min of DC voltage pressurize for applying 2.4 kV is carried out
The strain property of the longitudinal gradient piezoelectric fibre composite material of test after 1 h is placed in polarization.
5. being -500 V ~+1500V in voltage magnitude, electricity is tested respectively under the alternating sinusoidal voltage that frequency is 0.1 Hz
It is the adaptability to changes at 0.7 mm and 1.25 mm that pole, which refers to spacing, and obtained strain value is respectively 1890 μ ε and 1045 μ ε.
Embodiment 2：
A kind of longitudinal direction gradient piezoelectric fibre composite material, by two panels interdigital electrode, piezoelectric fabric and high molecular polymer structure
At the piezoelectric fabric and high molecular polymer are alternately arranged, and the piezoelectric fabric and high molecular polymer are located at upper and lower two panels
Between interdigital electrode, and upper and lower two interdigital electrodes are symmetrical in minute surface, and the anode of the interdigital electrode refers to portion
Refer to portion with cathode not arrange equidistantly alternately, the anode electrode of interdigital electrode refers to portion and negative electrode refers to the spacing between portion
Longitudinal direction along gradient piezoelectric fibre composite material changes in continuous gradient, and the longitudinal direction along piezoelectric fibre composite material is handed over
The anode electrode of interdigitated electrodes refers to portion and negative electrode refers to portion's spacing and is first gradually incremented by and gradually successively decreases again, shows as between electrode finger
It is gradually decremented to 0.7 mm again away from being gradually incremented to after 1.1 mm by 0.6 mm, wherein the incremental and amplitude of successively decreasing is 0.1mm.
Preparation method, step are：
1. being cut to lead magnesio-niobate piezoelectric monocrystal using cutting machine, it is 29.6 mm to obtain width, and length is 32.8 mm, thick
Degree is the lead magnesio-niobate piezoelectric monocrystal thin slice of 0.25 mm；Using the fine cut machine that saw blade thickness is 0.1 mm to lead magnesio-niobate
Piezoelectric monocrystal thin slice is equidistantly cut along the longitudinal direction, and it is respectively 0.1mm and 0.4 to obtain gap and width on horizontal direction
The piezoelectric fabric of mm.
2. the potting resin E-51 in lead magnesio-niobate piezoelectric fabric gap, obtains fiber width and resin width is respectively
The lead magnesio-niobate piezoelectric monocrystal fiber/resin compound of 0.4 mm and 0.1 mm.
3. the single side interdigital electrode wiring board for using etching technics to obtain overall thickness in copper-clad plate as 0.07 mm,
The anode of wherein interdigital electrode refer to portion and cathode to refer to the width in portion be 0.06 mm, and interdigital electricity along the longitudinal direction
Pole adjacent electrode anode refers to portion and cathode refers to the finger spacing in portion and is gradually incremented to 1.1 by 0.6 mm with the incremental amplitude of 0.1 mm
Mm is gradually decremented to 0.7 mm with the amplitude of successively decreasing of 0.1 mm again later.
4. being symmetrically covered each by minute surface with two panels interdigital electrode compound in lead magnesio-niobate piezoelectric monocrystal fiber/resin
The upper and lower surface of object is packaged to obtain longitudinal gradient piezoelectric fibre composite material by applying pressure and temperature；It will longitudinal ladder
Degree piezoelectric fibre composite material is positioned in room temperature silicone oil, and 15 min of DC voltage pressurize for applying 2 kV polarizes, and puts
Set the strain property that gradient piezoelectric fibre composite material is tested after 1 h.
5. being -500 V ~+1500V in voltage magnitude, electricity is tested respectively under the alternating sinusoidal voltage that frequency is 0.1 Hz
It is the adaptability to changes at 0.6 mm and 1.1 mm that pole, which refers to spacing, and obtained strain value is respectively 3090 μ ε and 1865 μ ε.
Embodiment 3：
A kind of longitudinal direction gradient piezoelectric fibre composite material, by two panels interdigital electrode, piezoelectric fabric and high molecular polymer structure
At the piezoelectric fabric and high molecular polymer are alternately arranged, and the piezoelectric fabric and high molecular polymer are located at upper and lower two panels
Between interdigital electrode, and upper and lower two interdigital electrodes are symmetrical in minute surface, and the anode of the interdigital electrode refers to portion
Refer to portion with cathode not arrange equidistantly alternately, the anode electrode of interdigital electrode refers to portion and negative electrode refers to the spacing between portion
Longitudinal direction along gradient piezoelectric fibre composite material changes in continuous gradient, and the longitudinal direction along piezoelectric fibre composite material is handed over
The anode electrode of interdigitated electrodes refers to portion and negative electrode refers to portion's spacing and first gradually successively decreases and is gradually incremented by again, shows as between electrode finger
It is gradually incremented to 1.1 mm again away from being gradually decremented to after 0.6 mm by 0.105 mm, wherein the incremental and amplitude of successively decreasing is 0.1mm.
Preparation method, step are：
1. being cut to lead zirconate titanate P-5H piezoelectric ceramics using cutting machine, it is 34 mm to obtain width, and length is 60.0 mm,
Thickness is the lead zirconate titanate P-5H piezoelectric ceramic thin sheets of 0.3 mm；Using the fine cut machine that saw blade thickness is 0.15 mm to zirconium
Lead titanates P-5H piezoelectric ceramic thin sheets are equidistantly cut along the longitudinal direction, are obtained gap and width on horizontal direction and are respectively
The piezoelectric fabric of 0.15mm and 0.25 mm.
2. the potting resin E-120HP in lead zirconate titanate P-5H piezoelectric fabrics gap, obtains fiber width and resin width
Lead zirconate titanate P-5H piezoelectric ceramic fibers/resin complexes of respectively 0.25 mm and 0.15 mm.
3. the single side interdigital electrode wiring board for using etching technics to obtain overall thickness in copper-clad plate as 0.07 mm,
The anode of wherein interdigital electrode refers to portion and cathode to refer to the width in portion be 0.1 mm, and interdigital electrode along the longitudinal direction
Adjacent electrode anode refers to portion and cathode is referred to the finger spacing between portion and is gradually decremented to by 1.05 mm with the amplitude of successively decreasing of 0.05 mm
0.6 mm is gradually incremented to 1.1 mm with the incremental amplitude of 0.05 mm again later.
4. being symmetrically covered each by lead zirconate titanate P-5H piezoelectric ceramic fibers/resin in minute surface with two panels interdigital electrode
The upper and lower surface of compound is packaged to obtain longitudinal gradient piezoelectric fibre composite material by applying pressure and temperature；It will indulge
It is positioned in room temperature silicone oil to gradient piezoelectric fibre composite material, and 15 min of DC voltage pressurize for applying 2 kV carries out pole
Change, places the strain property of the longitudinal gradient piezoelectric fibre composite material of test after 1 h.
5. being -500 V ~+1500V in voltage magnitude, electricity is tested respectively under the alternating sinusoidal voltage that frequency is 0.1 Hz
It is the adaptability to changes at 0.6 mm and 1.1 mm that pole, which refers to spacing, and obtained strain value is respectively 1387 μ ε and 718 μ ε.
Comparative example 1：Etc. electrode fingers spacing piezoelectric fibre composite material
1. being cut to lead zirconate titanate P-51 ceramic blocks using cutting machine, it is 15.5 mm, length 23.4 to obtain width
Mm, thickness are the lead zirconate titanate P-51 piezoelectric ceramic thin sheets of 0.18 mm；Utilize the fine cut machine that saw blade thickness is 0.07 mm
Lead zirconate titanate P-51 piezoelectric ceramic thin sheets are equidistantly cut along the longitudinal direction, obtain gap and width point on horizontal direction
Not Wei 0.07 mm and 0.3 mm piezoelectric fabric.
2. the potting resin 2020 in lead zirconate titanate P-51 piezoelectric fabrics gap obtains fiber width and resin width difference
For lead zirconate titanate P-51 piezoelectric ceramic fibers/resin complexes of 0.3 mm and 0.07 mm.
3. obtaining the single side interdigital electrode line that overall thickness is about 0.07 mm on single-side coated copper plate using etching technics
Road plate, the anode of wherein interdigital electrode refers to portion and cathode to refer to the width in portion be 0.08 mm, adjacent electrode anode refer to portion and
It is 0.7 mm that cathode, which refers to the finger spacing between portion,.
4. being symmetrically covered each by lead zirconate titanate P-51 piezoelectric ceramic fibers/resin in minute surface with two panels interdigital electrode
The upper and lower surface of compound the electrode fingers spacing piezoelectric fibre composite material such as is packaged to obtain by applying pressure and temperature；
Piezoelectric fibre composite material is positioned in room temperature silicone oil, and 15 min of DC voltage pressurize for applying 2.4 kV polarizes,
Place the strain property that piezoelectric fibre composite material is tested after 1 h.
5. being -500 V ~+1500V in voltage magnitude, electrode finger is tested under the alternating sinusoidal voltage that frequency is 0.1 Hz
Spacing is the adaptability to changes of the electrode fingers spacing piezoelectric fibre composite material such as at 0.7 mm, and obtained strain value is respectively 1890
με。
Claims (8)
1. a kind of longitudinal direction gradient piezoelectric fibre composite material, by two panels interdigital electrode, piezoelectric fabric and high molecular polymer
It constitutes, it is characterised in that：The piezoelectric fabric and high molecular polymer are between upper and lower two panels interdigital electrode, piezoelectricity
Fiber and high molecular polymer are alternately arranged, and the upper and lower two panels interdigital electrode is symmetrical in minute surface, and interdigital electrode
Anode refer to portion and cathode refers to portion and do not arrange equidistantly alternately.
2. longitudinal direction gradient piezoelectric fibre composite material according to claim 1, it is characterised in that：The longitudinal direction gradient piezoelectricity
Fiber composite structure selected from it is following it is several in one or several kinds：
（1）Along the longitudinal direction of piezoelectric fibre composite material, adjacent electrode anode refers to portion and cathode refers to the spacing in portion and gradually successively decreases,
It shows as adjacent electrode and refers to longitudinal gradient piezoelectric fibre composite material that spacing is decremented to numerical value B by numerical value A, wherein 1.5 mm
>=A ＞ B >=0.5 mm；
（2）Along the longitudinal direction of piezoelectric fibre composite material, adjacent electrode anode refers to portion and cathode refers to the spacing in portion and first gradually passs
Gradually successively decrease after increasing, shows as electrode finger spacing and longitudinal ladder that numerical value A is then gradually decremented to numerical value b again is incremented to by numerical value B
Spend piezoelectric fibre composite material, wherein 1.5 mm >=A ＞ B >=0.5 mm, 1.5 mm >=A ＞ b >=0.5 mm；
（3）Along the longitudinal direction of piezoelectric fibre composite material, adjacent electrode anode refers to portion and cathode refer to portion spacing first successively decrease after
It is incremented by, shows as electrode finger spacing and longitudinal gradient pressure that numerical value B is then gradually incremented to numerical value a again is gradually decremented to by numerical value A
Electric fibrous composite；Wherein, 1.5 mm >=A ＞ B >=0.5 mm, 1.5 mm >=a ＞ B >=0.5 mm.
3. longitudinal direction gradient piezoelectric fibre composite material according to claim 1 or 2, it is characterised in that：The piezoelectric fabric
Material be piezoelectric ceramics or piezoelectric monocrystal.
4. longitudinal direction gradient piezoelectric fibre composite material according to claim 1 or 2, it is characterised in that：The polyphosphazene polymer
Conjunction object is thermosetting resin.
5. longitudinal direction gradient piezoelectric fibre composite material according to claim 1 or 2, it is characterised in that：The interdigital
Electrode is the flexible circuit board that is printed on one side being made of the electrode layer of polyimide film and plating thereon.
6. the preparation method of longitudinal gradient piezoelectric fibre composite material described in a kind of any claim of claim 1-5,
It is characterized in that, step includes：After piezoelectricity block materials are cut into piezoelectric sheet, then piezoelectric sheet cut along the longitudinal direction
To piezoelectric fabric, the filled high polymer polymer in piezoelectric fabric gap obtains piezoelectric fabric/polymer composite；Using quarter
Etching technique acquisition anode refers to portion and cathode refers to the single side interdigital electrode wiring board that portion does not arrange equidistantly alternately；It is handed over two panels
Interdigitated electrodes are symmetrically covered each by minute surface in the upper and lower surface of piezoelectric fabric/polymer composite, are indulged by encapsulation
To gradient piezoelectric fibre composite material；It is tested for the property after polarizing to longitudinal gradient piezoelectric fibre composite material.
7. preparation method according to claim 6, it is characterised in that：The thickness of the piezoelectric sheet is 0.15~0.3
Mm, width are 10~60.0 mm, and length is 25~150 mm；The thickness of the piezoelectric fabric is 0.15~0.3 mm, and width is
0.15~0.3 mm, length are 25~150 mm；The gap of the piezoelectric fabric is 0.05~0.2 mm；The interdigital electricity
The electrode finger spacing of pole is 0.5~1.5 mm；The electrode width of the interdigital electrode is 0.06~0.10 mm.
8. preparation method according to claim 6, it is characterised in that：The method for polarized treatment be room temperature silicone oil according to
2.5~3.5 kV/mm × adjacent positive and negative electrode refers to portion's spacing and applies polarizing voltage, and the polarization time is 10~40 min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563406A (en) * | 2020-12-07 | 2021-03-26 | 武汉理工大学 | Axial continuous shear strain piezoelectric fiber composite material and preparation method thereof |
| CN112909158A (en) * | 2021-02-07 | 2021-06-04 | 北京大学 | Organic piezoelectric film with enhanced force-electric sensitivity performance and preparation method thereof |
| CN113013319A (en) * | 2021-02-24 | 2021-06-22 | 武汉理工大学 | Low-frequency active vibration suppression system based on integrated structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5363074A (en) * | 1992-10-19 | 1994-11-08 | Motorola, Inc. | Saw structure having serially coupled transducers with overlapping fingers |
| JP2006333169A (en) * | 2005-05-27 | 2006-12-07 | Kyocera Corp | Surface acoustic wave resonator, surface acoustic wave device and communication apparatus |
| JP2010103803A (en) * | 2008-10-24 | 2010-05-06 | Epson Toyocom Corp | Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module device |
| JP2012138964A (en) * | 2004-01-09 | 2012-07-19 | Panasonic Corp | Surface acoustic wave resonator and surface acoustic wave filter using the same |
| CN104821372A (en) * | 2015-05-20 | 2015-08-05 | 中南大学 | Shearing-type piezoelectric composite material |
| US20150236242A1 (en) * | 2014-01-28 | 2015-08-20 | Korea Institute of Machinery and Minerals | Single-crystal piezoelectric fiber composite and magnetoelectric laminate composite including the same |
| CN105405963A (en) * | 2015-12-23 | 2016-03-16 | 济南大学 | Gradient piezoelectric fiber composite material and preparation method thereof |
| CN107565013A (en) * | 2017-08-28 | 2018-01-09 | 湖北工程学院 | A kind of longitudinal gradient chopped fiber piezo-electricity composite material and preparation method thereof |
-
2018
- 2018-03-16 CN CN201810216363.7A patent/CN108428783B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5363074A (en) * | 1992-10-19 | 1994-11-08 | Motorola, Inc. | Saw structure having serially coupled transducers with overlapping fingers |
| JP2012138964A (en) * | 2004-01-09 | 2012-07-19 | Panasonic Corp | Surface acoustic wave resonator and surface acoustic wave filter using the same |
| JP2006333169A (en) * | 2005-05-27 | 2006-12-07 | Kyocera Corp | Surface acoustic wave resonator, surface acoustic wave device and communication apparatus |
| JP2010103803A (en) * | 2008-10-24 | 2010-05-06 | Epson Toyocom Corp | Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module device |
| US20150236242A1 (en) * | 2014-01-28 | 2015-08-20 | Korea Institute of Machinery and Minerals | Single-crystal piezoelectric fiber composite and magnetoelectric laminate composite including the same |
| CN104821372A (en) * | 2015-05-20 | 2015-08-05 | 中南大学 | Shearing-type piezoelectric composite material |
| CN105405963A (en) * | 2015-12-23 | 2016-03-16 | 济南大学 | Gradient piezoelectric fiber composite material and preparation method thereof |
| CN107565013A (en) * | 2017-08-28 | 2018-01-09 | 湖北工程学院 | A kind of longitudinal gradient chopped fiber piezo-electricity composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563406A (en) * | 2020-12-07 | 2021-03-26 | 武汉理工大学 | Axial continuous shear strain piezoelectric fiber composite material and preparation method thereof |
| CN112909158A (en) * | 2021-02-07 | 2021-06-04 | 北京大学 | Organic piezoelectric film with enhanced force-electric sensitivity performance and preparation method thereof |
| CN113013319A (en) * | 2021-02-24 | 2021-06-22 | 武汉理工大学 | Low-frequency active vibration suppression system based on integrated structure |
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