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Novel sodium niobate-based ceramic material and preparation method thereof
The invention discloses a novel sodium niobate-based ceramic material and a preparation method thereof. The preparation method comprises the steps of preparing NaNbO3-0. 1Bi (Ni0. 5Zr0. 5) O3 powder; preparing a (Bi0.5Na0.5)0.7Sr0.3TiO3 main crystal phase; respectively weighing 0.6 to 1 mol of the NaNbO3-0. 1Bi (Ni0. 5Zr0. 5) O3 powder and 0 to 0.1 mol of the (Bi0.5Na0.5)0.7Sr0.3TiO3 main crystal phase, and mixing to form a mixture; pouring the mixture into a ball milling tank, carrying out rotating speed wet ball milling, mixing and levigating, drying, screening to obtain dried powder, adding polyvinyl alcohol into the dried powder, granulating, pressing into a cylinder, and carrying out binder removal; and carrying out sintering and heat preservation after binder removal is completed so as to obtain a ceramic sample, and then carrying out test analysis, wherein the ceramic sample is 0.6 {0.9 NaNbO3-0.1 Bi (Ni0. 5Zr0. 5) O3}-0.4 (Bi0. 5Na0. 5) 0.7 Sr0. 3TiO3. The novel sodium niobate-based ceramic material prepared by the invention has high energy storage density and high efficiency, and has excellent thermal stability, frequency stability and good fatigue durability.
本发明公开了一种新型铌酸钠基陶瓷材料及其制备方法，包括如下步骤：制备NaNbO3‑0.1Bi(Ni0.5Zr0.5)O3粉体；制备(Bi0.5Na0.5)0.7Sr0.3TiO3主晶相；分别称量0.6‑1mol所述0.9NaNbO3‑0.1Bi(Ni0.5Zr0.5)O3粉体、0‑0.1mol所述(Bi0.5Na0.5)0.7Sr0.3TiO3主晶相进行混合，形成混合物；将所述混合物倒入球磨罐中进行转速湿法球磨，混合磨细后进行烘干、过筛网，得到烘干粉体，之后加入聚乙烯醇至所述烘干粉体中进行造粒、再压制成圆柱，然后进行排胶；待排胶完成后，之后进行烧结保温，得到陶瓷样品，之后进行测试分析，其中陶瓷样品为：0.6{0.9NaNbO3‑0.1Bi(Ni0.5Zr0.5)O3}‑0.4(Bi0.5Na0.5)0.7Sr0.3TiO3。本发明制备出的新型铌酸钠基陶瓷材料具备高储能密度和高效率，且具有出色的热稳定性、频率稳定性和良好的疲劳耐久性。
Novel sodium niobate-based ceramic material and preparation method thereof
The invention discloses a novel sodium niobate-based ceramic material and a preparation method thereof. The preparation method comprises the steps of preparing NaNbO3-0. 1Bi (Ni0. 5Zr0. 5) O3 powder; preparing a (Bi0.5Na0.5)0.7Sr0.3TiO3 main crystal phase; respectively weighing 0.6 to 1 mol of the NaNbO3-0. 1Bi (Ni0. 5Zr0. 5) O3 powder and 0 to 0.1 mol of the (Bi0.5Na0.5)0.7Sr0.3TiO3 main crystal phase, and mixing to form a mixture; pouring the mixture into a ball milling tank, carrying out rotating speed wet ball milling, mixing and levigating, drying, screening to obtain dried powder, adding polyvinyl alcohol into the dried powder, granulating, pressing into a cylinder, and carrying out binder removal; and carrying out sintering and heat preservation after binder removal is completed so as to obtain a ceramic sample, and then carrying out test analysis, wherein the ceramic sample is 0.6 {0.9 NaNbO3-0.1 Bi (Ni0. 5Zr0. 5) O3}-0.4 (Bi0. 5Na0. 5) 0.7 Sr0. 3TiO3. The novel sodium niobate-based ceramic material prepared by the invention has high energy storage density and high efficiency, and has excellent thermal stability, frequency stability and good fatigue durability.
本发明公开了一种新型铌酸钠基陶瓷材料及其制备方法，包括如下步骤：制备NaNbO3‑0.1Bi(Ni0.5Zr0.5)O3粉体；制备(Bi0.5Na0.5)0.7Sr0.3TiO3主晶相；分别称量0.6‑1mol所述0.9NaNbO3‑0.1Bi(Ni0.5Zr0.5)O3粉体、0‑0.1mol所述(Bi0.5Na0.5)0.7Sr0.3TiO3主晶相进行混合，形成混合物；将所述混合物倒入球磨罐中进行转速湿法球磨，混合磨细后进行烘干、过筛网，得到烘干粉体，之后加入聚乙烯醇至所述烘干粉体中进行造粒、再压制成圆柱，然后进行排胶；待排胶完成后，之后进行烧结保温，得到陶瓷样品，之后进行测试分析，其中陶瓷样品为：0.6{0.9NaNbO3‑0.1Bi(Ni0.5Zr0.5)O3}‑0.4(Bi0.5Na0.5)0.7Sr0.3TiO3。本发明制备出的新型铌酸钠基陶瓷材料具备高储能密度和高效率，且具有出色的热稳定性、频率稳定性和良好的疲劳耐久性。
Novel sodium niobate-based ceramic material and preparation method thereof
一种新型铌酸钠基陶瓷材料及其制备方法
CHEN XIULI (author) / CHEN HONGYUN (author) / ZHANG HAILIN (author) / ZHOU HUANFU (author)
2021-07-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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