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Bismuth zirconate manganate-bismuth scandate-lead titanate piezoelectric ceramic material and preparation method thereof
The invention discloses a bismuth zirconate manganate-bismuth scandate-lead titanate piezoelectric ceramic material and a preparation method thereof. The general chemical formula of the piezoelectricceramic material is xBi(Mn<1/2>Zr<1/2>)O<3->(1-x-y)BiScO<3-y>PbTiO<3>, wherein x is equal to 0.02-0.06 and y is equal to 0.62-0.67; metal oxides and/or metal carbonates proportioned in stoichiometricratio are adopted as a raw material, and the piezoelectric ceramic material can be prepared by adopting a traditional solid-phase reaction method. According to the invention, bismuth zirconate manganate Bi(Mn1/3Zr1/2)O3 with a perovskite structure is introduced as a third element; the bismuth scandate-lead titanate composite material and the bismuth scandate-lead titanate form the ternary system solid solution, such that the dielectric loss tan delta of the material is substantially reduced, and the material further has characteristics of high Curie temperature and excellent piezoelectric property, and has significant advantages in high-frequency and high-voltage driving or high-frequency acoustic transducer and sensor application. Meanwhile, the preparation process of the material is simple and stable, the low sintering temperature of the material is beneficial to preparation of the multilayer co-fired ceramic element and cost saving, and the material is suitable for large-scale industrial production and has practical application value and wide application prospects.
本发明公开了一种锆锰酸铋‑钪酸铋‑钛酸铅系压电陶瓷材料及其制备方法。该压电陶瓷材料的化学通式为xBi(MnZr)O‑(1‑x‑y)BiScO‑yPbTiO，其中x＝0.02～0.06，y＝0.62～0.67，采用化学计量比的金属氧化物和/或金属碳酸盐为原料，采用传统的固相反应法即可制得。本发明通过引入具有钙钛矿结构锆锰酸铋Bi(MnZr)O作为第三元，与钪酸铋‑钛酸铅形成三元系固溶体，大幅降低了材料的介电损耗tanδ，同时还拥有高居里温度以及优异的压电性能，在高频、高电压驱动，或者高频声换能器、传感器应用方面有着明显的优势。同时，该材料制备工艺简单稳定，同时其较低的烧结温度有助于制备多层共烧陶瓷元件和节约成本，适于大规模工业生产，具有实际的应用价值和广泛的应用前景。
Bismuth zirconate manganate-bismuth scandate-lead titanate piezoelectric ceramic material and preparation method thereof
The invention discloses a bismuth zirconate manganate-bismuth scandate-lead titanate piezoelectric ceramic material and a preparation method thereof. The general chemical formula of the piezoelectricceramic material is xBi(Mn<1/2>Zr<1/2>)O<3->(1-x-y)BiScO<3-y>PbTiO<3>, wherein x is equal to 0.02-0.06 and y is equal to 0.62-0.67; metal oxides and/or metal carbonates proportioned in stoichiometricratio are adopted as a raw material, and the piezoelectric ceramic material can be prepared by adopting a traditional solid-phase reaction method. According to the invention, bismuth zirconate manganate Bi(Mn1/3Zr1/2)O3 with a perovskite structure is introduced as a third element; the bismuth scandate-lead titanate composite material and the bismuth scandate-lead titanate form the ternary system solid solution, such that the dielectric loss tan delta of the material is substantially reduced, and the material further has characteristics of high Curie temperature and excellent piezoelectric property, and has significant advantages in high-frequency and high-voltage driving or high-frequency acoustic transducer and sensor application. Meanwhile, the preparation process of the material is simple and stable, the low sintering temperature of the material is beneficial to preparation of the multilayer co-fired ceramic element and cost saving, and the material is suitable for large-scale industrial production and has practical application value and wide application prospects.
本发明公开了一种锆锰酸铋‑钪酸铋‑钛酸铅系压电陶瓷材料及其制备方法。该压电陶瓷材料的化学通式为xBi(MnZr)O‑(1‑x‑y)BiScO‑yPbTiO，其中x＝0.02～0.06，y＝0.62～0.67，采用化学计量比的金属氧化物和/或金属碳酸盐为原料，采用传统的固相反应法即可制得。本发明通过引入具有钙钛矿结构锆锰酸铋Bi(MnZr)O作为第三元，与钪酸铋‑钛酸铅形成三元系固溶体，大幅降低了材料的介电损耗tanδ，同时还拥有高居里温度以及优异的压电性能，在高频、高电压驱动，或者高频声换能器、传感器应用方面有着明显的优势。同时，该材料制备工艺简单稳定，同时其较低的烧结温度有助于制备多层共烧陶瓷元件和节约成本，适于大规模工业生产，具有实际的应用价值和广泛的应用前景。
Bismuth zirconate manganate-bismuth scandate-lead titanate piezoelectric ceramic material and preparation method thereof
一种锆锰酸铋-钪酸铋-钛酸铅系压电陶瓷材料及其制备方法
DONG SHUXIANG (author) / YU YANG (author) / YANG JIKUN (author) / LUO LIANG (author)
2020-06-12
Patent
Electronic Resource
Chinese
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