Piezoelectric ceramic material, sintered body and preparation method thereof, and piezoelectric ceramic device

A piezoelectric ceramic and sintered body technology, applied in the field of piezoelectric ceramic materials, can solve the problems of unfavorable practical application, large fluctuation of product composition, low production efficiency, etc., and achieve excellent piezoelectric performance and temperature stability, and uniform product structure. , the effect of high degree of automation

Inactive Publication Date: 2013-12-25
AAC PRECISE MFG TECH CHANGZHOU
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  • Abstract
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  • Application Information

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Problems solved by technology

This traditional method has the disadvantages of single structure, difficult to control the size, large fluctuations in product composition, low production efficiency, not suitable for mass production, and cannot produce large thin plates, etc., and cannot meet the increasingly multi-layered and complex structure of piezoelectric components. At the same time, the ceramic piezoelectric properties and temperature stability of the current formula are often not satisfied at the same time, which is not conducive to practical application

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  • Piezoelectric ceramic material, sintered body and preparation method thereof, and piezoelectric ceramic device
  • Piezoelectric ceramic material, sintered body and preparation method thereof, and piezoelectric ceramic device
  • Piezoelectric ceramic material, sintered body and preparation method thereof, and piezoelectric ceramic device

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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] The present invention provides the present invention provides a kind of piezoelectric ceramic material, and described piezoelectric ceramic material contains general chemical formula:

[0026] Pb x Sr 1-x (Mn 1 / 3 Sb 2 / 3 ) y Zr z Ti 1-y-z o 3 +m%CeO 2 +n%Cr 2 o 3 Represents and satisfies the following main components: 0.9≤x≤1, 0≤y≤0.15, 0.4≤z≤0.62, 0≤m≤1, 0≤n≤1. Addition of Mn in PZT Lead Zirconate Titanate Piezoelectric Ceramics 2+ Can impro...

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Abstract

The invention provides a piezoelectric ceramic material of which the chemical general formula is PbxSr1-x(Mn1/3Sb2/3)yZrzTi1-y-zO3+m%CeO2+n%Cr2O3, wherein 0.9<=x<=1, 0<=y<=0.15, 0.4<=z<=0.62, 0<=m<=1, and 0<=n<=1. The running method is especially suitable for forming flaky ceramic products which are 20-300 mu m thick, has the advantages of high speed, high automation degree, high efficiency, uniform product structure, good quality and the like, and therefore, can satisfy the development requirements of miniaturation, integration, low noise and multifunction for modern electronic components; and by adjusting the formula, the piezoelectric ceramic has excellent piezoelectricity and temperature stability at the same time, thereby satisfying the operational requirements of the product.

Description

technical field [0001] The invention relates to a piezoelectric ceramic material with high piezoelectric performance, a sintered body, a piezoelectric ceramic device and a preparation method for the sintered body using the piezoelectric ceramic material. Background technique [0002] Since the discovery of PZT lead zirconate titanate piezoelectric ceramics in 1954, the United States, Japan, the Netherlands and many other countries have conducted detailed research on piezoelectric ceramic systems, and with the deepening of research and development, a series of PZT with superior performance have been derived. Piezoelectric ceramic materials, the application range of piezoelectric ceramic materials has also been greatly expanded. Among them, based on lead zirconate titanate, ternary and quaternary piezoelectric ceramics improved with various elements have also emerged as the times require. [0003] In order to obtain high-performance piezoelectric ceramics, Pb (Zr, Ti) O 3 Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/493C04B35/50C04B35/622
Inventor 苏绍华
Owner AAC PRECISE MFG TECH CHANGZHOU
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