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High-strain bismuth ferrite-based leadless piezoelectric ceramic and preparation method thereof
The invention provides a high-strain bismuth ferrite-based leadless piezoelectric ceramic and a preparation method thereof, the piezoelectric ceramic is represented by a composition general formula (1-x-y) BiFeO3-xBaTiO3-yM, 0.25 lt, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, xlt; 0.35, 0.005 lt, 0.35, 0.005 lt; yt; Yt; 0.08 part of the composition; and the dopant M is selected from BaHfO3, CaSiO3, MgSiO3, BeSiO3, SrSiO3, SrSnO3, BiYO3, SbYO3, SbGaO3, BiYO3, YGaO3 or LaAlO3, and the dopant M is selected from BaHfO3, CaSiO3, MgSiO3, BeSiO3, SrSiO3, SrSnO3, BiYO3, SbYO3, the bismuth ferrite-based lead-free ceramic material disclosed by the invention has excellent density (gt; the bismuth ferrite-based ternary system lead-free ceramic material has the characteristics of high temperature resistance, high strain performance, high Curie temperature and the like, meanwhile, the solid-phase sintering technology adopted by the invention is simple to operate, low in cost and suitable for large-scale production, and the prepared bismuth ferrite-based ternary system lead-free ceramic material can be used as a dielectric material of a multi-layer ceramic brake.
本发明提供一种高应变铁酸铋基无铅压电陶瓷及其制备方法,其由组成通式(1‑x‑y)BiFeO3‑xBaTiO3‑yM表示,其中,0.2595%)、较高的应变性能、高居里温度等特性,同时本发明采用的固相烧结工艺技术操作简单、成本低,适合规模化生产,制备得到的铁酸铋基三元体系无铅陶瓷材料可用做多层陶瓷制动器的介质材料。
High-strain bismuth ferrite-based leadless piezoelectric ceramic and preparation method thereof
The invention provides a high-strain bismuth ferrite-based leadless piezoelectric ceramic and a preparation method thereof, the piezoelectric ceramic is represented by a composition general formula (1-x-y) BiFeO3-xBaTiO3-yM, 0.25 lt, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, xlt; 0.35, 0.005 lt, 0.35, 0.005 lt; yt; Yt; 0.08 part of the composition; and the dopant M is selected from BaHfO3, CaSiO3, MgSiO3, BeSiO3, SrSiO3, SrSnO3, BiYO3, SbYO3, SbGaO3, BiYO3, YGaO3 or LaAlO3, and the dopant M is selected from BaHfO3, CaSiO3, MgSiO3, BeSiO3, SrSiO3, SrSnO3, BiYO3, SbYO3, the bismuth ferrite-based lead-free ceramic material disclosed by the invention has excellent density (gt; the bismuth ferrite-based ternary system lead-free ceramic material has the characteristics of high temperature resistance, high strain performance, high Curie temperature and the like, meanwhile, the solid-phase sintering technology adopted by the invention is simple to operate, low in cost and suitable for large-scale production, and the prepared bismuth ferrite-based ternary system lead-free ceramic material can be used as a dielectric material of a multi-layer ceramic brake.
本发明提供一种高应变铁酸铋基无铅压电陶瓷及其制备方法,其由组成通式(1‑x‑y)BiFeO3‑xBaTiO3‑yM表示,其中,0.2595%)、较高的应变性能、高居里温度等特性,同时本发明采用的固相烧结工艺技术操作简单、成本低,适合规模化生产,制备得到的铁酸铋基三元体系无铅陶瓷材料可用做多层陶瓷制动器的介质材料。
High-strain bismuth ferrite-based leadless piezoelectric ceramic and preparation method thereof
一种高应变铁酸铋基无铅压电陶瓷及其制备方法
ZHAO JIANWEI (Autor:in) / TAN HAILAN (Autor:in) / CHEN XIAOXIN (Autor:in) / LI HONGTIAN (Autor:in) / SUN RONG (Autor:in)
28.05.2024
Patent
Elektronische Ressource
Chinesisch
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