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Method for sintering multilayer piezoelectric ceramic piece at one time
The invention discloses a method for sintering a multi-layer piezoelectric ceramic piece at one time, and relates to a preparation method of the multi-layer piezoelectric ceramic piece, which comprises the following steps: primarily crystallizing piezoelectric ceramic by increasing the rubber discharging temperature and time, and reducing the sintering heat preservation time to reduce the deformation of the piezoelectric ceramic under high-temperature creep. After the rubber discharging process, the deformation of the multilayer piezoelectric ceramic piece at high temperature is inhibited in amanner of placing a heavy object for pressing and sintering, so that one-time sintering is realized. A subsequent shaping and sintering process is not needed, the product manufacturing period is shortened, the product manufacturing cost is reduced, meanwhile, crystal grains are prevented from growing again, and the performance of the multilayer piezoelectric ceramic piece is guaranteed.
本发明专利公布一种一次性烧结多层压电陶瓷片的方法，发明专利涉及一种多层压电陶瓷片的制备方法，该方法通过提高排胶温度和时间使压电陶瓷初步结晶，同时降低烧结保温时间来减少压电陶瓷在高温蠕变下变形，通过在排胶工艺之后，放置重物压烧的方式，抑制多层压电陶瓷片在高温下变形，来实现一次性烧结。无需后续的整形烧结过程，既加快产品制作周期又降低了产品制作成本，同时防止晶粒再生长，保证多层压电陶瓷片的性能。
Method for sintering multilayer piezoelectric ceramic piece at one time
The invention discloses a method for sintering a multi-layer piezoelectric ceramic piece at one time, and relates to a preparation method of the multi-layer piezoelectric ceramic piece, which comprises the following steps: primarily crystallizing piezoelectric ceramic by increasing the rubber discharging temperature and time, and reducing the sintering heat preservation time to reduce the deformation of the piezoelectric ceramic under high-temperature creep. After the rubber discharging process, the deformation of the multilayer piezoelectric ceramic piece at high temperature is inhibited in amanner of placing a heavy object for pressing and sintering, so that one-time sintering is realized. A subsequent shaping and sintering process is not needed, the product manufacturing period is shortened, the product manufacturing cost is reduced, meanwhile, crystal grains are prevented from growing again, and the performance of the multilayer piezoelectric ceramic piece is guaranteed.
本发明专利公布一种一次性烧结多层压电陶瓷片的方法，发明专利涉及一种多层压电陶瓷片的制备方法，该方法通过提高排胶温度和时间使压电陶瓷初步结晶，同时降低烧结保温时间来减少压电陶瓷在高温蠕变下变形，通过在排胶工艺之后，放置重物压烧的方式，抑制多层压电陶瓷片在高温下变形，来实现一次性烧结。无需后续的整形烧结过程，既加快产品制作周期又降低了产品制作成本，同时防止晶粒再生长，保证多层压电陶瓷片的性能。
Method for sintering multilayer piezoelectric ceramic piece at one time
一种一次性烧结多层压电陶瓷片的方法
DUAN LIANWEI (Autor:in) / PENG DASONG (Autor:in) / WANG XIAODONG (Autor:in) / HAN SHUAISHUAI (Autor:in) / GONG DANDAN (Autor:in)
19.01.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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