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Piezoelectric nano material

A nano-material and piezoelectric technology, applied in the field of piezoelectric materials, can solve problems such as low piezoelectric coefficient and short service life, and achieve the effects of improving service life, improving application range, good stability and weather resistance

Inactive Publication Date: 2017-02-01
SICHUAN XINGZHI ZHIHUI INTPROP OPERATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a piezoelectric nano-material to solve the problems of low piezoelectric coefficient and short service life of existing piezoelectric materials

Method used

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  • Piezoelectric nano material

Examples

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Effect test

Embodiment 1

[0022] A piezoelectric nanomaterial, consisting of the following components in parts by weight:

[0023] 70 parts by weight of alumina, 8 parts by weight of barium titanate, 12 parts by weight of lithium titanate, 7 parts by weight of feldspar, 5 parts by weight of zirconium diboride, 5 parts by weight of niobium pentoxide, 5 parts by weight of bismuth trioxide, 6 parts by weight of polyaluminosiloxane, 6 parts by weight of polycarbosilane, 2 parts by weight of nano-magnesium oxide; 2 parts by weight of silicon carbide foam; 2 parts by weight of antimony trioxide; 2 parts by weight of ferromagnetic oxide.

Embodiment 2

[0025] A piezoelectric nanomaterial, consisting of the following components in parts by weight:

[0026] 75 parts by weight of alumina, 15 parts by weight of barium titanate, 15 parts by weight of lithium titanate, 10 parts by weight of feldspar, 10 parts by weight of zirconium diboride, 8 parts by weight of niobium pentoxide, 8 parts by weight of bismuth trioxide, 8 parts by weight of polyaluminum siloxane, 8 parts by weight of polycarbosilane, 3 parts by weight of nano-magnesium oxide; 3 parts by weight of silicon carbide foam; 3 parts by weight of antimony trioxide; 3 parts by weight of cobalt-containing magnetic oxide.

Embodiment 3

[0028] 72 parts by weight of alumina, 12 parts by weight of barium titanate, 10 parts by weight of lithium titanate, 8 parts by weight of feldspar, 9 parts by weight of zirconium diboride, 7 parts by weight of niobium pentoxide, 7 parts by weight of bismuth trioxide, 7 parts by weight of polyaluminosiloxane, 7 parts by weight of polycarbosilane, 2 parts by weight of nano-magnesium oxide; 3 parts by weight of silicon carbide foam; 3 parts by weight of antimony trioxide; 1 part by weight of cobalt-containing magnetic oxide, nickel magnetic oxide 1 part by weight.

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Abstract

The invention discloses a piezoelectric nano material which comprises the following components in parts by weight: 70-75 parts of alumina, 20-30 parts of titanate, 7-10 parts of feldspar, 5-10 parts of zirconium boride, 5-8 parts of niobium pentoxide, 5-8 parts of bismuth trioxide, 6-8 parts of polyaluminosiloxane, 6-8 parts of polycarbosilane, 2-3 parts of nano magnesia and 2-3 parts of silicon carbide foam. According to the piezoelectric nano material disclosed by the invention, the piezoelectric coefficient is relatively high, and the service life of the piezoelectric nano material can be effectively prolonged. The piezoelectric nano material disclosed by the invention is good in stability and weather resistance and applicable to different environments, the application range of the piezoelectric nano material can be widened, and furthermore the economic utilization and commercial values of the piezoelectric nano material can be increased.

Description

technical field [0001] The invention relates to the technical field of piezoelectric materials, in particular to a piezoelectric nanometer material. Background technique [0002] A piezoelectric material is a crystalline material that exhibits a voltage across its two ends when pressure is applied. Piezoelectric nanomaterials refer to piezoelectric materials with nanostructures. The mechanism of the piezoelectric effect is: the crystal with piezoelectricity has low symmetry. When it is deformed by an external force, the relative displacement of the positive and negative ions in the unit cell makes the positive and negative charge centers no longer overlap, resulting in macroscopic polarization of the crystal, while The surface charge surface density of the crystal is equal to the projection of the polarization intensity on the surface normal direction, so when the piezoelectric material is deformed by pressure, charges of opposite signs will appear on both ends of the piezo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10
CPCC04B35/10C04B2235/3206C04B2235/3234C04B2235/3236C04B2235/3251C04B2235/3272C04B2235/3275C04B2235/3279C04B2235/3294C04B2235/3298C04B2235/3463C04B2235/3813C04B2235/3826C04B2235/483C04B2235/52C04B2235/96
Inventor 谭逢林
Owner SICHUAN XINGZHI ZHIHUI INTPROP OPERATION CO LTD
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