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Barium copper tungstate high-dielectric ceramic powder with spindle structure and preparation method of barium copper tungstate high-dielectric ceramic powder
The invention discloses a barium cuprate tungstate high-dielectric ceramic powder with a spindle structure, which has the characteristics of high dielectric property, spindle structure microstructure, regular appearance, uniform particles, higher activity of synthesized powder and higher density. The invention relates to a preparation method of a barium copper tungstate high-dielectric ceramic powder with a spindle structure. The preparation method comprises the following steps: preparing materials and preparing precursor powder; pre-sintering to obtain pre-sintered powder; performing granulation to obtain spherical powder particles; and then tabletting, glue discharging, sintering and silver firing are carried out. According to the preparation method of the barium cuprate tungstate high-dielectric ceramic powder with the spindle structure, the barium cuprate tungstate high-dielectric ceramic powder with high purity, uniform particles and higher activity can be obtained at lower synthesis temperature and sintering temperature, and the barium cuprate tungstate high-dielectric ceramic powder is good in temperature stability, high in dielectric constant and low in dielectric loss.
本发明公开纺锤体结构钨铜酸钡高介电陶瓷粉体，具有高介电性能且微观形貌呈纺锤体结构，具有外形规则颗粒均匀、合成粉体活性比较高、致密度较高的特点；本发明的纺锤体结构钨铜酸钡高介电陶瓷粉体制备方法，步骤如下：配料并制备前驱粉体；预烧，得到预烧粉体；造粒，得到球状粉粒；再进行压片、排胶、烧结、烧银。本发明的纺锤体结构钨铜酸钡高介电陶瓷粉体制备方法，能在较低合成温度和烧结温度下得到高纯度、颗粒均匀、活性较高的钨铜酸钡高介电陶瓷粉体，温度稳定性能良好，介电常数高，介电损耗低。
Barium copper tungstate high-dielectric ceramic powder with spindle structure and preparation method of barium copper tungstate high-dielectric ceramic powder
The invention discloses a barium cuprate tungstate high-dielectric ceramic powder with a spindle structure, which has the characteristics of high dielectric property, spindle structure microstructure, regular appearance, uniform particles, higher activity of synthesized powder and higher density. The invention relates to a preparation method of a barium copper tungstate high-dielectric ceramic powder with a spindle structure. The preparation method comprises the following steps: preparing materials and preparing precursor powder; pre-sintering to obtain pre-sintered powder; performing granulation to obtain spherical powder particles; and then tabletting, glue discharging, sintering and silver firing are carried out. According to the preparation method of the barium cuprate tungstate high-dielectric ceramic powder with the spindle structure, the barium cuprate tungstate high-dielectric ceramic powder with high purity, uniform particles and higher activity can be obtained at lower synthesis temperature and sintering temperature, and the barium cuprate tungstate high-dielectric ceramic powder is good in temperature stability, high in dielectric constant and low in dielectric loss.
本发明公开纺锤体结构钨铜酸钡高介电陶瓷粉体，具有高介电性能且微观形貌呈纺锤体结构，具有外形规则颗粒均匀、合成粉体活性比较高、致密度较高的特点；本发明的纺锤体结构钨铜酸钡高介电陶瓷粉体制备方法，步骤如下：配料并制备前驱粉体；预烧，得到预烧粉体；造粒，得到球状粉粒；再进行压片、排胶、烧结、烧银。本发明的纺锤体结构钨铜酸钡高介电陶瓷粉体制备方法，能在较低合成温度和烧结温度下得到高纯度、颗粒均匀、活性较高的钨铜酸钡高介电陶瓷粉体，温度稳定性能良好，介电常数高，介电损耗低。
Barium copper tungstate high-dielectric ceramic powder with spindle structure and preparation method of barium copper tungstate high-dielectric ceramic powder
纺锤体结构钨铜酸钡高介电陶瓷粉体及其制备方法
WANG JUANJUAN (author) / LAI FUSHENG (author) / MA PENGKANG (author) / DUAN XUELIANG (author) / CHEN MINGYANG (author)
2024-09-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2024
| European Patent Office | 2024