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Lanthanum bismuthate doped potassium sodium niobate based multifunctional ceramic material and preparation method thereof
The invention discloses a lanthanum bismuthate doped potassium sodium niobate based multifunctional ceramic material and a preparation method thereof, and relates to the technical field of ceramic materials, and the adopted technical scheme comprises the following steps: step 1, weighing raw materials according to a theoretical composition proportion of a chemical general formula; 2, carrying outball milling and pre-synthesis on the raw materials to prepare ceramic powder; 3, carrying out ball milling on the ceramic powder, and drying; 4, adding a binder into the ceramic powder dried in the step 3, fully mixing, granulating, and carrying out compression molding; and step 5, discharging glue and sintering to obtain the lanthanum bismuthate doped potassium sodium niobate based multifunctional ceramic material. The preparation method of the ceramic material provided by the invention is convenient to operate and low in cost, grain refinement is promoted only by doping lanthanum bismuthate, the density is improved, and a high maximum polarization intensity value, a relatively low remnant polarization intensity value and high breakdown field intensity are obtained, so that an excellentenergy storage characteristic is obtained, and the lead-free environmental protection requirement is met.
一种铋酸镧掺杂铌酸钾钠基多功能陶瓷材料及制备方法，涉及陶瓷材料技术领域，所采用的技术方案包括步骤1，按照化学通式理论组成配比称重原料；步骤2，将原料进行球磨、预合成，制成陶瓷粉体；步骤3，将陶瓷粉体进行球磨后烘干；步骤4，在步骤3中烘干后的陶瓷粉体中加入粘结剂充分混合后造粒，再压制成型；步骤5，排胶、烧结，制得铋酸镧掺杂铌酸钾钠基多功能陶瓷材料。本发明提供的陶瓷材料制备方法操作方便，成本低，仅通过掺杂铋酸镧来促进晶粒细化、提高致密度，使其获得高的最大极化强度值、较低的剩余极化强度值以及高的击穿场强，从而获得优异的储能特性，而且满足了无铅化的环境保护要求。
Lanthanum bismuthate doped potassium sodium niobate based multifunctional ceramic material and preparation method thereof
The invention discloses a lanthanum bismuthate doped potassium sodium niobate based multifunctional ceramic material and a preparation method thereof, and relates to the technical field of ceramic materials, and the adopted technical scheme comprises the following steps: step 1, weighing raw materials according to a theoretical composition proportion of a chemical general formula; 2, carrying outball milling and pre-synthesis on the raw materials to prepare ceramic powder; 3, carrying out ball milling on the ceramic powder, and drying; 4, adding a binder into the ceramic powder dried in the step 3, fully mixing, granulating, and carrying out compression molding; and step 5, discharging glue and sintering to obtain the lanthanum bismuthate doped potassium sodium niobate based multifunctional ceramic material. The preparation method of the ceramic material provided by the invention is convenient to operate and low in cost, grain refinement is promoted only by doping lanthanum bismuthate, the density is improved, and a high maximum polarization intensity value, a relatively low remnant polarization intensity value and high breakdown field intensity are obtained, so that an excellentenergy storage characteristic is obtained, and the lead-free environmental protection requirement is met.
一种铋酸镧掺杂铌酸钾钠基多功能陶瓷材料及制备方法，涉及陶瓷材料技术领域，所采用的技术方案包括步骤1，按照化学通式理论组成配比称重原料；步骤2，将原料进行球磨、预合成，制成陶瓷粉体；步骤3，将陶瓷粉体进行球磨后烘干；步骤4，在步骤3中烘干后的陶瓷粉体中加入粘结剂充分混合后造粒，再压制成型；步骤5，排胶、烧结，制得铋酸镧掺杂铌酸钾钠基多功能陶瓷材料。本发明提供的陶瓷材料制备方法操作方便，成本低，仅通过掺杂铋酸镧来促进晶粒细化、提高致密度，使其获得高的最大极化强度值、较低的剩余极化强度值以及高的击穿场强，从而获得优异的储能特性，而且满足了无铅化的环境保护要求。
Lanthanum bismuthate doped potassium sodium niobate based multifunctional ceramic material and preparation method thereof
一种铋酸镧掺杂铌酸钾钠基多功能陶瓷材料及制备方法
ZHU JIANGUO (Autor:in) / XING JIE (Autor:in) / WU JIAGANG (Autor:in) / TAN ZHI (Autor:in) / CHEN QIANG (Autor:in)
26.02.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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