CN107857589A - 一种Na2BiMg2V3O12微波介质陶瓷的制备方法 - Google Patents

一种Na2BiMg2V3O12微波介质陶瓷的制备方法 Download PDF

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CN107857589A
CN107857589A CN201610842032.5A CN201610842032A CN107857589A CN 107857589 A CN107857589 A CN 107857589A CN 201610842032 A CN201610842032 A CN 201610842032A CN 107857589 A CN107857589 A CN 107857589A
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施海月
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Abstract

本申请公开了一种Na2BiMg2V3O12微波介质陶瓷的制备方法，包括：(1)、以Na2CO3、Bi2O3、MgO、NH4VO3为原料进行混料；(2)、一次球磨；(3)、烘干、过筛；(4)、预烧：在氧化铝坩埚中于550℃预烧3小时；(5)、二次球磨；(6)、烘干、过筛；(7)造粒：在陶瓷粉料中加入5wt％的聚乙烯醇作为粘结剂进行造粒；(8)、干压成型：将造粒好的陶瓷粉料在70MPa的压力下压制成圆柱形陶瓷生坯或圆片；(9)、烧结：在550℃排胶1小时，然后按照3～5℃/min速率升至680℃保温4小时；(10)、冷却至室温：以100℃/小时的速率降到400℃，然后自然冷却至常温。本发明陶瓷材料具有良好的微波介电性能：介电常数＝24，品质因数＝3720GHz，温度系数＝8ppm/℃，可应用于无线通讯。

Description

一种Na2BiMg2V3O12微波介质陶瓷的制备方法
技术领域
本申请属于微波通讯技术领域，特别是涉及一种Na2BiMg2V3O12微波介质陶瓷的制备方法。
背景技术
微波介质陶瓷是指应用于微波频段电路中作为介质材料并完成一种或多种功能的陶瓷，是近三十年迅速发展起来的新型功能陶瓷，被广泛应用于介质谐振器、介质滤波器、双工器、微波介质天线、介质稳频振荡器、介质波导传输线等微波器件。作为微波通讯中的关键材料，微波介质陶瓷的各项性能在很大程度上决定了整体现代通信技术***的性能。因此开发高品质的微波介质陶瓷是整个微波通讯的关键工作。
发明内容
本发明的目的在于提供一种Na2BiMg2V3O12微波介质陶瓷的制备方法，以克服现有技术中的不足。
为实现上述目的，本发明提供如下技术方案：
本申请实施例公开一种Na2BiMg2V3O12微波介质陶瓷的制备方法，包括：
(1)、以Na2CO3、Bi2O3、MgO、NH4VO3为原料进行混料；
(2)、一次球磨：将按配方称好的原始粉料放入聚氨酯球磨罐中，以无水乙醇作为球磨介质，氧化锆为磨球，利用变频式行星球磨机球磨，球磨转速365rpm，按照原料：磨球：无水乙醇＝1:2:1比例球磨3小时；
(3)、烘干、过筛；
(4)、预烧：在氧化铝坩埚中于550℃预烧3小时；
(5)、二次球磨：将预烧的料放入聚氨酯球磨罐中，以无水乙醇作为球磨介质，氧化锆为磨球，利用变频式行星球磨机球磨，球磨转速365rpm，按照原料：磨球：无水乙醇＝1:2:1比例球磨3小时；
(6)、烘干、过筛；
(7)造粒：在陶瓷粉料中加入5wt％的聚乙烯醇作为粘结剂进行造粒；
(8)、干压成型：将造粒好的陶瓷粉料在70MPa的压力下压制成圆柱形陶瓷生坯或圆片；
(9)、烧结：在550℃排胶1小时，然后按照3～5℃/min速率升至680℃保温4小时；
(10)、冷却至室温：以100℃/小时的速率降到400℃，然后自然冷却至常温。
优选的，在上述的Na2BiMg2V3O12微波介质陶瓷的制备方法中，所述步骤(3)中，烘干、过筛方法包括：将球磨后浆料在干燥箱中进行干燥，干燥温度100℃，干燥时间20min，干燥完成后采用60目的筛子过筛，获得陶瓷粉料。
优选的，在上述的Na2BiMg2V3O12微波介质陶瓷的制备方法中，所述步骤(6)中，将二次球磨后浆料在干燥箱中进行干燥，干燥温度100℃，干燥时间20min，干燥完成后采用60目的筛子过筛，获得陶瓷粉料。
与现有技术相比，本发明的优点在于：本发明陶瓷材料具有良好的微波介电性能：介电常数＝24，品质因数＝3720GHz，温度系数＝8ppm/℃，可应用于无线通讯。
具体实施方式
本发明通过下列实施例作进一步说明：根据下述实施例，可以更好地理解本发明。然而，本领域的技术人员容易理解，实施例所描述的具体的物料比、工艺条件及其结果仅用于说明本发明，而不应当也不会限制权利要求书中所详细描述的本发明。
本实施例中，Na2BiMg2V3O12微波介质陶瓷的制备方法，包括：
(1)、以Na2CO3、Bi2O3、MgO、NH4VO3为原料进行混料；
(2)、一次球磨：将按配方称好的原始粉料放入聚氨酯球磨罐中，以无水乙醇作为球磨介质，氧化锆为磨球，利用变频式行星球磨机球磨，球磨转速365rpm，按照原料：磨球：无水乙醇＝1:2:1比例球磨3小时；
(3)、烘干、过筛：将球磨后浆料在真空干燥箱中进行干燥，干燥温度80～100℃，干燥时间20min，干燥完成后采用100目的筛子过筛；
(4)、预烧：在氧化铝坩埚中于550℃预烧3小时；
(5)、二次球磨：将预烧的料放入聚氨酯球磨罐中，以无水乙醇作为球磨介质，氧化锆为磨球，利用变频式行星球磨机球磨，球磨转速365rpm，按照原料：磨球：无水乙醇＝1:2:1比例球磨3小时；
(6)、烘干、过筛：将二次球磨后浆料在干燥箱中进行干燥，干燥温度100℃，干燥时间20min，干燥完成后采用60目的筛子过筛，获得陶瓷粉料；
(7)造粒：在陶瓷粉料中加入5wt％的聚乙烯醇作为粘结剂进行造粒；
(8)、干压成型：将造粒好的陶瓷粉料在70MPa的压力下压制成圆柱形陶瓷生坯或圆片；
(9)、烧结：在550℃排胶1小时，然后按照3～5℃/min速率升至680℃保温4小时；
(10)、冷却至室温：以100℃/小时的速率降到400℃，然后自然冷却至常温。
本发明陶瓷材料具有良好的微波介电性能：介电常数＝24，品质因数＝3720GHz，温度系数＝8ppm/℃，可应用于无线通讯。
最后，还需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。

Claims (3)

1.一种Na2BiMg2V3O12微波介质陶瓷的制备方法，其特征在于，包括：
(1)、以Na2CO3、Bi2O3、MgO、NH4VO3为原料进行混料；
(2)、一次球磨：将按配方称好的原始粉料放入聚氨酯球磨罐中，以无水乙醇作为球磨介质，氧化锆为磨球，利用变频式行星球磨机球磨，球磨转速365rpm，按照原料：磨球：无水乙醇＝1:2:1比例球磨3小时；
(3)、烘干、过筛；
(4)、预烧：在氧化铝坩埚中于550℃预烧3小时；
(5)、二次球磨：将预烧的料放入聚氨酯球磨罐中，以无水乙醇作为球磨介质，氧化锆为磨球，利用变频式行星球磨机球磨，球磨转速365rpm，按照原料：磨球：无水乙醇＝1:2:1比例球磨3小时；
(6)、烘干、过筛；
(7)造粒：在陶瓷粉料中加入5wt％的聚乙烯醇作为粘结剂进行造粒；
(8)、干压成型：将造粒好的陶瓷粉料在70MPa的压力下压制成圆柱形陶瓷生坯或圆片；
(9)、烧结：在550℃排胶1小时，然后按照3～5℃/min速率升至680℃保温4小时；
(10)、冷却至室温：以100℃/小时的速率降到400℃，然后自然冷却至常温。
2.根据权利要求1所述的Na2BiMg2V3O12微波介质陶瓷的制备方法，其特征在于：所述步骤(3)中，烘干、过筛方法包括：将球磨后浆料在干燥箱中进行干燥，干燥温度100℃，干燥时间20min，干燥完成后采用60目的筛子过筛，获得陶瓷粉料。
3.根据权利要求1所述的Na2BiMg2V3O12微波介质陶瓷的制备方法，其特征在于：所述步骤(6)中，将二次球磨后浆料在干燥箱中进行干燥，干燥温度100℃，干燥时间20min，干燥完成后采用60目的筛子过筛，获得陶瓷粉料。
CN201610842032.5A 2016-09-22 2016-09-22 一种Na2BiMg2V3O12微波介质陶瓷的制备方法 Withdrawn CN107857589A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113579861A (zh) * 2021-07-05 2021-11-02 广东风华高新科技股份有限公司 一种ltcc片式陶瓷滤波器的倒角方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113579861A (zh) * 2021-07-05 2021-11-02 广东风华高新科技股份有限公司 一种ltcc片式陶瓷滤波器的倒角方法

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