CN111039673A - 一种抗静电陶瓷材料的制备方法 - Google Patents
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- 238000007731 hot pressing Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
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- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract 1
- 239000000956 alloy Substances 0.000 description 6
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- 238000005261 decarburization Methods 0.000 description 4
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- 150000001247 metal acetylides Chemical class 0.000 description 2
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- 238000001523 electrospinning Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
本发明公开了一种抗静电陶瓷材料的制备方法，其特征在于该陶瓷材料组分包含两相固溶体第一相为(BiNa23)Ti03第二相为KNa2 Li n nb02,其中,前述的x＝0.1该陶瓷材料采用两步法分别制各(BiNa23)T0和KNa2Li2NbO3粉体,然后再根据组分配比,称取不同重量(Bi.Na)Ti0:和K.Na2:Li.nb03粉体然后制备出介电储能陶瓷材料。本发明。
Description
技术领域
本发明涉及陶瓷加工技术领域，尤其涉及一种抗静电陶瓷材料的制备方法。
背景技术
目前，在陶瓷材料是现在人们生活和工业生产中必不可少的一种材料。其性能优异, 在多个领域中均有很好的使用价值。陶瓷材料可大致分为普通陶瓷材料和金属陶瓷材料, 后者是将至少一种陶瓷相和金属相并采取粉末冶金法制备的复合材料,通常我们所说的硬质合金、钢结硬质合金等均属于这一类,相比普通陶瓷材料而言,金属陶瓷材料的特性更为优异和突出,使用价值更高。而人们为了更好的改善金属陶瓷材料的综合性能,通常会在其表面进行渗碳处理操作。如中国专利公开号为:CN104493161A公开了一种硬质合金在真空烧结炉中渗碳的方法,包括以下步骤:a.将每件硬质合金脱碳制品单件放入存有渗碳混合料的包套中,硬质合金脱碳制品被渗碳混合料包覆,系紧包套袋口后,放入冷等静压机中通过压制工艺进行压制,形成压坯块；b.去除压坯块表面的包套,再将压坯块放入真空烧结炉中进行渗碳烧结；.渗碳烧结完成后,去除包覆在硬质合金脱碳制品表面的渗碳混合料包覆物；d.在去除硬质合金脱碳制品表面的渗碳混合料包覆物后,对硬质合金脱碳制品进行喷砂处理,去除的渗碳混合料作均匀化处理后另存保管。但是,上述方法是在材料烧结完成后再进行渗碳处理,渗碳时间长,效率不髙；而且髙温下金属陶瓷材料容易出现晶粒长大,导致材料力学等性能下降。此外,静电现象在自然界和人类生产生活中普遍存在,人们也有意识的利用静电,例如静电复印,静电纺丝,静电喷凃等。但是静电在很多领域确有潜在的危害,例如在电子元器件、石油化工、纺织以及研磨粉碎等领域静电聚集极易导致元器件损毁或爆炸等严重后果。
发明内容
本发明为了解决现有技术的上述不足，提出了一种抗静电陶瓷材料的制备方法。
为了解决上述技术问题，本发明采用以下技术方案：一种抗静电陶瓷材料的制备方法，其特征在于该陶瓷材料组分包含两相固溶体第一相为(BiNa23)Ti03第二相为KNa2Li n nb02,其中,前述的x＝0.1该陶瓷材料采用两步法分别制各(BiNa23)T0和KNa2Li2NbO3粉体,然后再根据组分配比,称取不同重量(Bi.Na)Ti0:和K.Na2:Li.nb03粉体然后制备出介电储能陶瓷材料。
优选的，a.先将BiNa23和无水乙醇对应按照重量比3:9～10进行混合,然后进行超声分散处理152Omin,随后将氢化钛滤出,再进行真空干燥处理11.5h后取出备用；
b.将KNa2Li2NbO3加入到乙醇溶液中,充分搅拌均匀后得混合液A备用；
将操作a处理后的BiNa23加入到操作b所得的混合液A中,超声分散处理10～15min后再加入醋酸调节溶液的p值至45,随后再进行磁力搅拌处理14～16h,最后进行过滤得混合物B备用。
优选的，c.混合球磨处理:称取的所有原材料共冋投入到高速搅拌机内进行髙速搅拌混合处理,1l5min后取岀,然后投入到球磨机内进行球磨处理,1～2h后取出得球磨混合料备用。
(4)烧结处理:
将步骤c所得的球磨混合料投入到金属热压炉内,保持炉内为氩气保护环境,压制成型后再进行升温处理,先控制升温的速度为20～25℃/min,将金属热压炉内的温度升至δ00 850℃后,再进行保温处理15～20min,随后再调整升温的速度为45～50℃/min,将金属热压炉内的温度升至1300～1380℃后,再进行保温处理1.52.5h,最后以30～35℃/min的降温速度将炉内温度降至室温,取出成品陶瓷材料即可。
与现有技术相比，本发明工艺相对简单,能够很好的进行推广应用,制得的陶瓷材料具有很好的强度、抗静电等性能,使用稳定,寿命长,实用价值高。
具体实施方式
下面结合实施例对发明进行详细的说明。
本发明提出的一种抗静电陶瓷材料的制备方法，该陶瓷材料组分包含两相固溶体第一相为(BiNa23)Ti03第二相为KNa2 Li n nb02,其中,前述的x＝0.1该陶瓷材料采用两步法分别制各(BiNa23)T0和KNa2Li2NbO3粉体,然后再根据组分配比,称取不同重量(Bi.Na)Ti0: 和K.Na2:Li.nb03粉体然后制备出介电储能陶瓷材料。
a.先将BiNa23和无水乙醇对应按照重量比3:9～10进行混合,然后进行超声分散处理 152Omin,随后将氢化钛滤出,再进行真空干燥处理11.5h后取出备用；
b.将KNa2Li2NbO3加入到乙醇溶液中,充分搅拌均匀后得混合液A备用
.将操作a处理后的BiNa23加入到操作b所得的混合液A中,超声分散处理10～15min后再加入醋酸调节溶液的p值至45,随后再进行磁力搅拌处理14～16h,最后进行过滤得混合物B备用。
c.混合球磨处理:称取的所有原材料共冋投入到高速搅拌机内进行髙速搅拌混合处理,1l5min后取岀,然后投入到球磨机内进行球磨处理,1～2h后取出得球磨混合料备用
(4)烧结处理:
将步骤c所得的球磨混合料投入到金属热压炉内,保持炉内为氩气保护环境,压制成型后再进行升温处理,先控制升温的速度为20～25℃/min,将金属热压炉内的温度升至δ00 850℃后,再进行保温处理15～20min,随后再调整升温的速度为45～50℃/min,将金属热压炉内的温度升至1300～1380℃后,再进行保温处理1.52.5h,最后以30～35℃/min的降温速度将炉内温度降至室温,取出成品陶瓷材料即可。
上述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利和保护范围应以所附权利要求书为准。
Claims (3)
1.一种抗静电陶瓷材料的制备方法，其特征在于该陶瓷材料组分包含两相固溶体第一相为(BiNa23)Ti03第二相为KNa2 Li n nb02,其中,前述的x＝0.1该陶瓷材料采用两步法分别制各(BiNa23)T0和KNa2Li2NbO3粉体,然后再根据组分配比,称取不同重量(Bi.Na)Ti0:和K.Na2:Li.nb03粉体然后制备出介电储能陶瓷材料。
2.如权利要求1所述的一种抗静电陶瓷材料的制备方法，其特征在于：先将BiNa23和无水乙醇对应按照重量比3:9～10进行混合,然后进行超声分散处理152Omin,随后将氢化钛滤出,再进行真空干燥处理11.5h后取出备用；
b.将KNa2Li2NbO3加入到乙醇溶液中,充分搅拌均匀后得混合液A备用.将操作a处理后的BiNa23加入到操作b所得的混合液A中,超声分散处理10～15min后再加入醋酸调节溶液的p值至45,随后再进行磁力搅拌处理14～16h,最后进行过滤得混合物B备用。
3.如权利要求2所述的一种抗静电陶瓷材料的制备方法，其特征在于：c.混合球磨处理:称取的所有原材料共冋投入到高速搅拌机内进行髙速搅拌混合处理,1l5min后取岀,然后投入到球磨机内进行球磨处理,1～2h后取出得球磨混合料备用。
(4)烧结处理:将步骤c所得的球磨混合料投入到金属热压炉内,保持炉内为氩气保护环境,压制成型后再进行升温处理,先控制升温的速度为20～25℃/min,将金属热压炉内的温度升至δ00850℃后,再进行保温处理15～20min,随后再调整升温的速度为45～50℃/min,将金属热压炉内的温度升至1300～1380℃后,再进行保温处理1.52.5h,最后以30～35℃/min的降温速度将炉内温度降至室温,取出成品陶瓷材料即可。
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| CN115677343A (zh) * | 2022-10-14 | 2023-02-03 | 中国科学院上海硅酸盐研究所 | 一种高剩余极化强度bnt基铁电陶瓷材料及其制备方法与应用 |
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| CN115677343A (zh) * | 2022-10-14 | 2023-02-03 | 中国科学院上海硅酸盐研究所 | 一种高剩余极化强度bnt基铁电陶瓷材料及其制备方法与应用 |
| CN115677343B (zh) * | 2022-10-14 | 2023-09-08 | 中国科学院上海硅酸盐研究所 | 一种高剩余极化强度bnt基铁电陶瓷材料及其制备方法与应用 |
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Application publication date: 20200421 |