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Manufacturing method of large-size arc-shaped 1-3 type piezoelectric composite material

A technology of piezoelectric composite materials and manufacturing methods, which is applied in the manufacture/assembly of piezoelectric/electrostrictive devices, piezoelectric/electrostrictive/magnetostrictive devices, circuits, etc., and can solve the difficulty of mold splicing to meet the installation accuracy And the reliability of electrodes, the inability to produce large sizes, etc., to achieve the effect of reducing process difficulty and production costs, and improving reliability and consistency

Pending Publication Date: 2022-04-08
HAIYING ENTERPRISE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the problems in the prior art that in the production of piezoelectric composite materials, due to the limitation of the stroke of the cutting machine, it is impossible to make large sizes and the splicing of molds is difficult to meet the installation accuracy and the reliable lead-out of electrodes, so as to provide a large Manufacturing method of 1-3 type piezoelectric composite material with circular arc shape

Method used

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  • Manufacturing method of large-size arc-shaped 1-3 type piezoelectric composite material
  • Manufacturing method of large-size arc-shaped 1-3 type piezoelectric composite material
  • Manufacturing method of large-size arc-shaped 1-3 type piezoelectric composite material

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Embodiment 1

[0036] Such as Figure 4 As shown, this embodiment provides a large-scale arc-shaped 1-3 type piezoelectric composite material manufacturing method, in order to meet the needs of large-scale arc-shaped medium and high-frequency underwater acoustic emission arrays, by gluing planar piezoelectric ceramics on a flexible plane Cutting on the bottom plate—casting—recutting—plane splicing—bending into an arc—casting method, including the following steps:

[0037] Step S1: Bond the bottom surface of the planar piezoelectric ceramic 1 to the first layer of flexible bottom plate 2 with an adhesive or double-sided tape. The width dimension is divided into several splicing and cutting machine strokes according to the final large-size arc division. The flexible bottom plate 2 can be bent into a circular arc and can be cut. The adhesive and double-sided tape can be torn off or at a specific temperature Solvent and other conditions to remove;

[0038] Specifically, in the embodiment, the ...

Embodiment 2

[0052] Such as Figure 5 As shown, this embodiment also provides a method for manufacturing a large-size arc-shaped 2-2 piezoelectric composite material, which specifically includes the following steps:

[0053] Step S1: Bond the bottom surface of the planar piezoelectric ceramic 1 on the first layer of flexible bottom plate 2 with an adhesive or double-sided tape. The thickness of the planar piezoelectric ceramic 1 is determined according to the frequency of the 2-2 composite material, and the length The width dimension is divided into several splicing and cutting machine strokes according to the final large-size arc division. The flexible bottom plate 2 can be bent into a circular arc and can be cut. The adhesive and double-sided tape can be torn off or at a specific temperature Solvent and other conditions to remove;

[0054] Step S2: cutting the above-mentioned planar piezoelectric ceramic 1 along the second direction II to obtain a planar piezoelectric ceramic block comp...

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Abstract

The invention relates to a manufacturing method of a large-size arc-shaped 1-3 type piezoelectric composite material, which aims at the use requirement of a large-size arc-shaped medium-high frequency underwater acoustic emission array, and is manufactured by the method of gluing plane piezoelectric ceramic on a flexible plane bottom plate, cutting, pouring, re-cutting, plane splicing, bending to form an arc and pouring. The invention can break through the limitation that the size of the traditional piezoelectric composite material is limited by processing conditions, and the traditional piezoelectric composite material is difficult to manufacture or cannot be manufactured into a large-area arc; compared with a traditional arc-shaped medium-high frequency acoustic array formed by assembling and splicing a plurality of piezoelectric ceramic particles, the process difficulty and the manufacturing cost can be effectively reduced, and the reliability and the consistency are improved.

Description

technical field [0001] The invention relates to the technical field of underwater acoustic engineering, in particular to a method for manufacturing a large-scale arc-shaped 1-3 type piezoelectric composite material. Background technique [0002] In the field of underwater acoustic engineering technology, in order to improve the detection distance and detection efficiency of active sonar equipment, it is generally required that the acoustic array can not only cover a wider beam range, but also radiate greater acoustic power into the water. In the case of a certain working frequency, since the increase of the emitted sound power is limited by the cavitation threshold on the surface of the acoustic array, the only way to increase the emitted sound power is to increase the effective surface area of ​​the acoustic array. Compared with linear arrays and planar arrays, the arc-shaped acoustic array has the characteristics that the beam width is related to the arc angle and has noth...

Claims

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Application Information

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IPC IPC(8): H01L41/25H01L41/338H01L41/23
Inventor 林金虎李珺杰张育顾晓红朱皓黄碧
Owner HAIYING ENTERPRISE GROUP
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