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Preparation method of piezoelectric ceramic material
The invention provides a preparation method of a piezoelectric ceramic material. The preparation method comprises the following steps: (1) preparation of materials; (2) mixing of the materials; (3) filter pressing; (4) drying and briquetting; (5) presintering; (6) secondary ball milling; (7) spray granulation; (8) forming; (9) plastic removal; and (10) sintering. According to the invention, the problem of short service life of the piezoelectric ceramic material caused by low Curie temperature and poor temperature coefficient of the piezoelectric ceramic material in the prior art is solved.
本发明提供一种压电陶瓷材料的制备方法，包括以下步骤：(1)配料；(2)混料；(3)压滤；(4)烘干压块；(5)预烧；(6)二次球磨；(7)喷雾造粒；(8)成型；(9)排塑；(10)烧结。通过本发明，以解决现有技术存在的压电陶瓷材料居里温度低、温度系数差导致的压电陶瓷材料使用寿命短的问题。
Preparation method of piezoelectric ceramic material
The invention provides a preparation method of a piezoelectric ceramic material. The preparation method comprises the following steps: (1) preparation of materials; (2) mixing of the materials; (3) filter pressing; (4) drying and briquetting; (5) presintering; (6) secondary ball milling; (7) spray granulation; (8) forming; (9) plastic removal; and (10) sintering. According to the invention, the problem of short service life of the piezoelectric ceramic material caused by low Curie temperature and poor temperature coefficient of the piezoelectric ceramic material in the prior art is solved.
本发明提供一种压电陶瓷材料的制备方法，包括以下步骤：(1)配料；(2)混料；(3)压滤；(4)烘干压块；(5)预烧；(6)二次球磨；(7)喷雾造粒；(8)成型；(9)排塑；(10)烧结。通过本发明，以解决现有技术存在的压电陶瓷材料居里温度低、温度系数差导致的压电陶瓷材料使用寿命短的问题。
Preparation method of piezoelectric ceramic material
一种压电陶瓷材料的制备方法
TIAN DEHUI (author) / WANG BAO (author) / ZHU JUNJI (author)
2021-06-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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