CN107721413A - 一种不包括非钙态矿相的陶瓷的制备方法 - Google Patents

一种不包括非钙态矿相的陶瓷的制备方法 Download PDF

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CN107721413A
CN107721413A CN201711158555.9A CN201711158555A CN107721413A CN 107721413 A CN107721413 A CN 107721413A CN 201711158555 A CN201711158555 A CN 201711158555A CN 107721413 A CN107721413 A CN 107721413A
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metal oxides
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黄秋兰
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Foshan White Rice Ceramics Co Ltd
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Abstract

一种不包括非钙态矿相的陶瓷的制备方法，包括如下步骤：步骤一，根据0.56(BiaK1‑a)TiO3–0.44BiFeO3，制备按化学计量配比各个Bi、K、Ti、Fe化合物的均一混合物；步骤二，将所述均一混合物转化成均一粉体；步骤三，诱导所述均一粉体中的反应以产生混合金属氧化物；处理所述混合金属氧化物成可烧结的形式；步骤四，烧结所述可烧结形式的混合金属氧化物以产生所述陶瓷。该陶瓷具有良好的压电性能。

Description

一种不包括非钙态矿相的陶瓷的制备方法
技术领域
本发明涉及一种陶瓷的制备方法，具体涉及一种具有压电性能的陶瓷的制备方法。
背景技术
已知的无铅压电材料有NaNbO3、BiFeO3、(Bi1/2Na1/2)TiO3、(Bi1/2K1/2)TiO3、BaTiO3、KNbO3和固溶体如(Bi1/2Na1/2)TiO3–(Bi1/2K1/2)TiO3–BaTiO3、(Bi1/2Na1/2)TiO3–(Bi1/2K1/2)TiO3–BiFeO3、(Bi1/2Na1/2)TiO3–(Bi1/2K1/2)TiO3、(Bi1/2K1/2)TiO3–BaTiO3、(Bi1/2Na1/2)TiO3–BaTiO3、(Bi1/2Na1/2)TiO3–BaTiO3–BiFeO3以及(K,Na)NbO3。
上述的材料内极化密度的改变，因而对于施加的机械应变能产生电场，被广泛应用于医疗超声和声纳、声学、振动控制、火花点火器和柴油燃油喷射。
发明内容
本发明提供一种陶瓷的制备方法，具体的技术方案如下：
一种不包括非钙态矿相的陶瓷的制备方法，包括如下步骤：
步骤一，根据0.56(BiaK1-a)TiO3–0.44BiFeO3，制备按化学计量配比各个Bi、K、Ti、Fe化合物的均一混合物；
步骤二，将所述均一混合物转化成均一粉体；
步骤三，诱导所述均一粉体中的反应以产生混合金属氧化物；处理所述混合金属氧化物成可烧结的形式；
步骤四，烧结所述可烧结形式的混合金属氧化物以产生所述陶瓷。
所述步骤二中，所述均一粉体被干燥和研磨后转入步骤三。
所述步骤三中的温度程序是：以130-160摄氏度每小时加入至800摄氏度左右停留4小时，然后以250-300摄氏度/小时冷却至室温。通过上述方案制得的陶瓷具有良好的压电性能。
具体实施方式
本发明的方法如下：
根据0.56(BiaK1-a)TiO3–0.44BiFeO3，制备按化学计量配比各个Bi、K、Ti、Fe化合物的均一混合物。然后，将均一混合物成型平均晶粒大小为100nm或以下的粉体。干燥、研磨过的粉体的混合物在带盖的氧化铝坩埚中煅烧，以诱导化学反应产生所需的钙钛矿相，此步骤的温度程序是：以130-160摄氏度每小时加入至800摄氏度左右停留4小时，然后以250-300摄氏度/小时冷却至室温。
通过上述方案制得的陶瓷具有良好的压电性能。

Claims (3)

1.一种不包括非钙态矿相的陶瓷的制备方法，包括如下步骤：
步骤一，根据0.56(BiaK1-a)TiO3–0.44BiFeO3，制备按化学计量配比各个Bi、K、Ti、Fe化合物的均一混合物；
步骤二，将所述均一混合物转化成均一粉体；
步骤三，诱导所述均一粉体中的反应以产生混合金属氧化物；处理所述混合金属氧化物成可烧结的形式；
步骤四，烧结所述可烧结形式的混合金属氧化物以产生所述陶瓷。
2.根据权利要求1所述的方法，其特征在于，所述步骤二中，所述均一粉体被干燥和研磨后转入步骤三。
3.根据权利要求1所述的方法，所述步骤三中的温度程序是：以130-160摄氏度每小时加入至800摄氏度左右停留4小时，然后以250-300摄氏度/小时冷却至室温。
CN201711158555.9A 2017-11-20 2017-11-20 一种不包括非钙态矿相的陶瓷的制备方法 Pending CN107721413A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114736016A (zh) * 2022-04-13 2022-07-12 杭州电子科技大学 一种宽温度稳定性的高储能密度钛酸铋钾基钙钛矿陶瓷及制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103080043A (zh) * 2010-07-28 2013-05-01 利兹大学 陶瓷

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103080043A (zh) * 2010-07-28 2013-05-01 利兹大学 陶瓷

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114736016A (zh) * 2022-04-13 2022-07-12 杭州电子科技大学 一种宽温度稳定性的高储能密度钛酸铋钾基钙钛矿陶瓷及制备方法

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Application publication date: 20180223