Zirconium silicide-based piezoelectric ceramic and preparation method thereof

A technology of zirconium silicide and electrical ceramics, applied in the field of materials, can solve the problems of affecting the normal operation of products, poor structural stability, deterioration of material properties, etc., and achieve the effects of easy control operation, low failure rate, and small performance drift.

Inactive Publication Date: 2018-04-20
ZHENGZHOU SOUQU INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Zirconium silicide is a material that can maintain the excellent mechanical properties of ceramics. It is also a commonly used raw material in ceramic materials. However, in the field of piezoelectric ceramics, the structural stability is poor. deterioration, thereby affecting the normal operation of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In an embodiment of the present invention, a zirconium silicide-based piezoelectric ceramic includes the following raw materials: 15 kg of zirconium silicide, 0.3 kg of niobium oxide, 11 kg of barium carbonate, 1 kg of molybdenum disulfide, 1 kg of jade powder, 3 kg of dichloroacetic acid, 7 kg of black gallstone, Polyoxyethylene ether 1kg, vinyl tertiary carbonate 2kg.

[0025] Mix dichloroacetic acid with 6 times its mass of deionized water to prepare a dichloroacetic acid solution; mix polyoxyethylene ether with 3 times its mass of deionized water to prepare a polyoxyethylene ether solution. Mix molybdenum disulfide, jade powder and black gallstone, crush them, pass through a 120-mesh sieve, then add dichloroacetic acid solution, heat up to 85°C, and seal and stir at this temperature for 1.2h at a stirring speed of 200r / min. Mixture A is obtained. Mix zirconium silicide, niobium oxide and barium carbonate, crush them, pass through a 120-mesh sieve, then add polyoxye...

Embodiment 2

[0027] In an embodiment of the present invention, a zirconium silicide-based piezoelectric ceramic comprises the following raw materials: 25 kg of zirconium silicide, 0.7 kg of niobium oxide, 19 kg of barium carbonate, 5 kg of molybdenum disulfide, 5 kg of jade powder, 7 kg of dichloroacetic acid, 15 kg of black gallstone, Polyoxyethylene ether 5kg, vinyl tertiary carbonate 6kg.

[0028] Mix dichloroacetic acid with 8 times its mass of deionized water to prepare a dichloroacetic acid solution; mix polyoxyethylene ether with 4 times its mass of deionized water to prepare a polyoxyethylene ether solution. Mix molybdenum disulfide, jade powder and black gallstone, pulverize them, pass through a 150-mesh sieve, then add dichloroacetic acid solution, heat up to 90°C, and seal and stir at this temperature for 1.4h at a stirring speed of 200r / min. Mixture A is obtained. Mix zirconium silicide, niobium oxide and barium carbonate, pulverize them, pass through a 150-mesh sieve, add pol...

Embodiment 3

[0030] In an embodiment of the present invention, a zirconium silicide-based piezoelectric ceramic includes the following raw materials: 18 kg of zirconium silicide, 0.4 kg of niobium oxide, 13 kg of barium carbonate, 2 kg of molybdenum disulfide, 2 kg of jade powder, 4 kg of dichloroacetic acid, 9 kg of black gallstone, Polyoxyethylene ether 2kg, vinyl tertiary carbonate 3kg.

[0031] Mix dichloroacetic acid with 7 times its mass of deionized water to prepare a dichloroacetic acid solution; mix polyoxyethylene ether with 4 times its mass of deionized water to prepare a polyoxyethylene ether solution. Mix molybdenum disulfide, jade powder and black gallstone, pulverize them, pass through a 150-mesh sieve, then add dichloroacetic acid solution, heat up to 90°C, and seal and stir at this temperature for 1.3h at a stirring speed of 200r / min. Mixture A is obtained. Mix zirconium silicide, niobium oxide and barium carbonate, pulverize them, pass through a 150-mesh sieve, add polyo...

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Abstract

The invention discloses a zirconium silicide-based piezoelectric ceramic and a preparation method thereof. The zirconium silicide-based piezoelectric ceramic comprises raw materials in parts by weight: 15-25 parts of zirconium silicide, 0.3-0.7 parts of niobium oxide, and 11-11 parts of barium carbonate. 19 parts, 1-5 parts of molybdenum disulfide, 1-5 parts of jade powder, 3-7 parts of dichloroacetic acid, 7-15 parts of black gallstone, 1-5 parts of polyoxyethylene ether, 2-6 parts of vinyl tertiary carbonate . Mix molybdenum disulfide, jade powder, and black gallstone, then pulverize, add dichloroacetic acid solution, heat, seal and stir to obtain mixture A; mix zirconium silicide, niobium oxide, and barium carbonate, pulverize, add polyoxyethylene ether solution, heat, seal and stir Prepare mixture B; mix mixture A, mixture B, and vinyl tert-carbonate, heat, sonicate, centrifuge to collect precipitate, wash and dry, calcinate for 6 hours, and cool to obtain the product. The invention not only has high temperature resistance and corrosion resistance, but also has high electrical conductivity, light weight, high tensile strength, good stability and weather resistance, and little change in high temperature impact.

Description

technical field [0001] The invention relates to the field of material technology, in particular to a zirconium silicide-based piezoelectric ceramic and a preparation method thereof. Background technique [0002] Piezoelectric ceramics are information functional ceramic materials that can convert mechanical energy and electrical energy into each other - piezoelectric effect. In addition to piezoelectricity, piezoelectric ceramics also have dielectric properties, elasticity, etc., and have been widely used in medical imaging, Acoustic sensors, acoustic transducers, ultrasonic motors, etc. Piezoelectric ceramics are made by using their materials under the action of mechanical stress to cause the relative displacement of the internal positive and negative charge centers to cause polarization, resulting in the appearance of bound charges with opposite signs on the surface of the material, that is, the piezoelectric effect. It has sensitive characteristics. Ceramics are mainly us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/58C04B35/622
CPCC04B35/58092C04B35/622C04B2235/3215C04B2235/3251C04B2235/34C04B2235/38C04B2235/6567C04B2235/96
Inventor 张秀芝
Owner ZHENGZHOU SOUQU INFORMATION TECH CO LTD
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