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Piezoceramic material and preparation method therefor
The invention relates to the field of piezoceramic materials and discloses a piezoceramic material. Bi2O3, TiO2, Dy2O3 and Fe2O3 are taken as raw materials, and a general chemical formula of the material is Bi3.15Dy0.85(Ti3-xFex)O12, wherein x represents molar fraction and x is greater than or equal to 0.00 and less than or equal to 0.40. The invention also discloses a method for preparing the piezoceramic material, that is to say, the piezoceramic material is prepared with a solid state sintering method; the method is simple in process, low in production cost, relatively wide in application range; and a prepared product is good in crystallinity, high in density and excellent in dielectric and piezoelectric properties.
Piezoceramic material and preparation method therefor
The invention relates to the field of piezoceramic materials and discloses a piezoceramic material. Bi2O3, TiO2, Dy2O3 and Fe2O3 are taken as raw materials, and a general chemical formula of the material is Bi3.15Dy0.85(Ti3-xFex)O12, wherein x represents molar fraction and x is greater than or equal to 0.00 and less than or equal to 0.40. The invention also discloses a method for preparing the piezoceramic material, that is to say, the piezoceramic material is prepared with a solid state sintering method; the method is simple in process, low in production cost, relatively wide in application range; and a prepared product is good in crystallinity, high in density and excellent in dielectric and piezoelectric properties.
Piezoceramic material and preparation method therefor
LUO MEIBAI (author)
2015-11-18
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
Leadless piezoceramic material and preparation method therefor
| European Patent Office | 2015