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Bismuth-free voltage-sensitive ceramic material and preparation method thereof
The invention provides a bismuth-free voltage-sensitive ceramic material and a preparation method thereof, and belongs to the technical field of functional ceramics. The preparation method comprises the following steps: carrying out ball-milling mixing on ZnO and a doping agent as raw materials, carrying out molding and plastic removal on the uniformly ball-milled and mixed mixture by using a solid-phase sintering method, and sintering at the temperature of 1150-1250 DEG C for 2-5 hours to obtain the bismuth-free voltage-sensitive ceramic material. The bismuth-free varistor material is high in nonlinear coefficient and relatively low in potential gradient and leakage current. The preparation method has the advantages of being simple in process, small in energy consumption, environmentally friendly and the like, and has wide application prospects in the fields of automobile industry, electronics, information and the like.
本发明提供了一种无铋压敏陶瓷材料及其制备方法,属于功能陶瓷技术领域。本发明通过将ZnO和掺杂剂为原料进行球磨混合,利用固相烧结法将球磨混合均匀的混合物成型、排塑,然后在1150~1250℃保温2~5h烧结得到无铋压敏陶瓷材料。本发明无铋压敏电阻材料高非线性系数、相对较低的电位梯度和漏电流。本发明的制备方法具有工艺简单,能耗小,绿色环保等优点,在汽车工业、电子、信息等领域具有广泛的应用前景。
Bismuth-free voltage-sensitive ceramic material and preparation method thereof
The invention provides a bismuth-free voltage-sensitive ceramic material and a preparation method thereof, and belongs to the technical field of functional ceramics. The preparation method comprises the following steps: carrying out ball-milling mixing on ZnO and a doping agent as raw materials, carrying out molding and plastic removal on the uniformly ball-milled and mixed mixture by using a solid-phase sintering method, and sintering at the temperature of 1150-1250 DEG C for 2-5 hours to obtain the bismuth-free voltage-sensitive ceramic material. The bismuth-free varistor material is high in nonlinear coefficient and relatively low in potential gradient and leakage current. The preparation method has the advantages of being simple in process, small in energy consumption, environmentally friendly and the like, and has wide application prospects in the fields of automobile industry, electronics, information and the like.
本发明提供了一种无铋压敏陶瓷材料及其制备方法,属于功能陶瓷技术领域。本发明通过将ZnO和掺杂剂为原料进行球磨混合,利用固相烧结法将球磨混合均匀的混合物成型、排塑,然后在1150~1250℃保温2~5h烧结得到无铋压敏陶瓷材料。本发明无铋压敏电阻材料高非线性系数、相对较低的电位梯度和漏电流。本发明的制备方法具有工艺简单,能耗小,绿色环保等优点,在汽车工业、电子、信息等领域具有广泛的应用前景。
Bismuth-free voltage-sensitive ceramic material and preparation method thereof
一种无铋压敏陶瓷材料及其制备方法
CHU RUIQING (author) / WANG KAI (author) / XU ZHIJUN (author)
2024-06-21
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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