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High-performance piezoelectric ceramic material, preparation method of high-performance piezoelectric ceramic material and piezoelectric ceramic material product

A piezoelectric ceramic and high-performance technology, which is applied in the field of piezoelectric ceramic material products and high-performance piezoelectric ceramic materials, can solve the problems of single and general performance, and achieve high luminescence, simple operation method, and high light transmittance. Effect

Active Publication Date: 2018-05-01
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a high-performance piezoelectric ceramic material, aiming to improve the single and general problem of existing piezoelectric ceramic materials

Method used

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  • High-performance piezoelectric ceramic material, preparation method of high-performance piezoelectric ceramic material and piezoelectric ceramic material product
  • High-performance piezoelectric ceramic material, preparation method of high-performance piezoelectric ceramic material and piezoelectric ceramic material product
  • High-performance piezoelectric ceramic material, preparation method of high-performance piezoelectric ceramic material and piezoelectric ceramic material product

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preparation example Construction

[0025] A method for preparing a high-performance piezoelectric ceramic material, comprising the steps of:

[0026] S1, according to the ratio of the amount of substances of sodium element, potassium element, lithium element, calcium element, rare earth element, niobium element, tin element and oxygen element is (1-x-y-z-w):z:y:x:w: (1- x):x:3, where x=0.02~0.06, y=0.02~0.08, z=0.35~0.50, w=0.001~0.004, the sodium carbonate, potassium carbonate, lithium carbonate, calcium carbonate, rare earth to be used for calculation The mass fractions of oxides, niobium pentoxide and tin oxide were weighed according to the obtained mass fractions of sodium carbonate, potassium carbonate, lithium carbonate, calcium carbonate, rare earth oxides, niobium pentoxide and tin oxide for subsequent use.

[0027] The mass of the raw materials to be used is calculated according to the proportions of the above-mentioned elements, and the raw materials are accurately weighed according to the calculated ...

Embodiment 1

[0047] This embodiment provides a method for preparing a high-performance piezoelectric ceramic material and the prepared high-performance piezoelectric ceramic material. According to the ratio of the amount of sodium element, potassium element, lithium element, calcium element, erbium element, niobium element, tin element and oxygen element, it is (1-x-y-z-w):z:y:x:w:(1-x) :x:3, where x=0.02, y=0.08, z=0.35, w=0.004, the sodium carbonate, potassium carbonate, lithium carbonate, calcium carbonate, rare earth oxide, niobium pentoxide and tin oxide to be used for calculation According to the mass fraction obtained, weigh sodium carbonate, potassium carbonate, lithium carbonate, calcium carbonate, erbium oxide, niobium pentoxide and tin oxide for subsequent use; mix the obtained raw materials and grind until the particle size is less than or When the thickness is equal to 5 μm, calcining is carried out, the calcining temperature is 700° C., and the calcining time is 28 minutes. ...

Embodiment 2

[0049] This embodiment provides a method for preparing a high-performance piezoelectric ceramic material and the prepared high-performance piezoelectric ceramic material. According to the ratio of the amount of sodium element, potassium element, lithium element, calcium element, europium element, niobium element, tin element and oxygen element, it is (1-x-y-z-w):z:y:x:w:(1-x) :x:3, where x=0.04, y=0.06, z=0.45, w=0.003, the sodium carbonate, potassium carbonate, lithium carbonate, calcium carbonate, rare earth oxide, niobium pentoxide and tin oxide to be used for calculation According to the mass fraction obtained, weigh sodium carbonate, potassium carbonate, lithium carbonate, calcium carbonate, europium oxide, niobium pentoxide and tin oxide for future use; mix the obtained raw materials and grind until the particle size is less than or When the thickness is equal to 5 μm, calcining is carried out, the calcining temperature is 950° C., and the calcining time is 60 minutes. ...

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Abstract

The invention relates to the field of a non-metallic material, and provides a high-performance piezoelectric ceramic material. The high-performance piezoelectric ceramic material is prepared from sodium elements, potassium element, lithium element, calcium element, rare earth element, niobium element, tin element and oxygen element according to a substance quantity ratio of (1-x-y-z-w):z:y:x:w:(1-x):x:3, wherein x=0.02 to 0.06; y=0.02 to 0.08; z=0.35 to 0.50; w=0.001 to 0.004. The high-performance piezoelectric ceramic material has good piezoelectricity, high visible light transmittance and good luminescent performance. The invention also provides a preparation method of the high-performance piezoelectric ceramic material. The preparation method comprises the steps that the mass fraction of used raw materials are calculated according to the element ratio of the high-performance piezoelectric ceramic material; materials are prepared; then, the raw materials are subjected to mixed calcination. The high-performance piezoelectric ceramic material can be prepared by the method. The invention also provides a piezoelectric ceramic material product with the above-mentioned advantages.

Description

technical field [0001] The invention relates to the field of non-metallic materials, in particular to a high-performance piezoelectric ceramic material, its preparation method and piezoelectric ceramic material products. Background technique [0002] Traditional piezoelectric ceramics are a class of functional materials that can realize mutual conversion between mechanical energy and electrical energy, and are widely used in the field of sensors. In recent years, in addition to doing a lot of research on lead-free piezoelectric ceramics, engineers and technicians hope to replace the currently widely used lead-containing piezoelectric ceramics with environmentally friendly lead-free piezoelectric ceramics, and are also exploring the use of traditional piezoelectric ceramics in Applications in new fields such as energy storage and optoelectronics are expected to achieve multiple functional responses in one piezoelectric material. Contents of the invention [0003] The inven...

Claims

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Application Information

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IPC IPC(8): C04B35/495C04B35/64H01L41/187H01L41/43
CPCC04B35/495C04B35/64C04B2235/3293C04B2235/3251C04B2235/3224C04B2235/3208C04B2235/3203C04B2235/3201C04B2235/661H10N30/853H10N30/097
Inventor 林超顾大国曾小倩张静雅
Owner YANCHENG INST OF TECH
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