CN107805060A - 一种透明陶瓷材料及其制备方法 - Google Patents

一种透明陶瓷材料及其制备方法 Download PDF

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CN107805060A
CN107805060A CN201710942047.3A CN201710942047A CN107805060A CN 107805060 A CN107805060 A CN 107805060A CN 201710942047 A CN201710942047 A CN 201710942047A CN 107805060 A CN107805060 A CN 107805060A
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ceramic material
transparent ceramic
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王君
李力
刘谋军
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Guilin City Sheng Bo Technology Services Ltd
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Abstract

本发明涉及一种透明陶瓷材料及其制备方法，包括如下重量份的原料：65‑80份二氧化硅、15‑25份三氧化二铝、0.3份‑0.5份三氧化二铁、0.5‑1份氧化钙、1‑2份氧化钾、1‑4份氧化镧、3‑5份氧化镁、2‑5份氧化锂、2‑4份三氧化二磷、6‑8份氮化钙。本发明的透明陶瓷材料透光度高，陶瓷生产工序少，能耗低，成本低。

Description

一种透明陶瓷材料及其制备方法
技术领域
本发明涉及一种陶瓷材料，尤其涉及一种用于透明陶瓷材料及其制备方法。
背景技术
日用陶瓷制品易于洗涤和保持洁净，热稳定性能较好，传热慢；另外，陶瓷制品化学性能稳定，经久耐用，陶瓷制品的气孔较少，吸水率很低。但透明陶瓷与玻璃相比，具有高强度、高韧性以及更好的抗表面损坏的性能；透明陶瓷与单晶相比，制备温度较低，生产周期短，而且在大尺寸和结构设计上比单晶更容易实现，现有的透明陶瓷制品成品质量较差。
发明内容
本发明所要解决的技术问题是针对现有技术的不足，提供一种透明陶瓷材料及其制备方法。
本发明解决上述技术问题的技术方案如下：一种透明陶瓷材料，包括如下重量份的原料：65-80份二氧化硅、15-25份三氧化二铝、0.3份-0.5份三氧化二铁、0.5-1份氧化钙、1-2份氧化钾、1-4份氧化镧、3-5份氧化镁、2-5份氧化锂、2-4份三氧化二磷、6-8份氮化钙。
本发明的有益效果是：本发明的透明陶瓷材料透光度高，陶瓷生产工序少，能耗低，成本低。
在上述技术方案的基础上，本发明还可以做如下改进。
进一步，包括如下重量份的原料：75份二氧化硅、20份三氧化二铝、0.4份三氧化二铁、0.8份氧化钙、1.5份氧化钾、2份氧化镧、4份氧化镁、3份氧化锂、3份三氧化二磷、7份氮化钙。
一种透明陶瓷材料的制备方法，包括如下步骤：
(1)取如上所述重量份的透明陶瓷原料，混合均匀后加入结合剂挤压成型，得到半成品；
(2)对挤压成型后的半成品升温至1500℃-1700℃，并立即降温至380℃-700℃，并保温50-120小时；
(3)将保温后的半成品真空烧结5-12小时，真空烧结温度为1600-1900℃，冷却至室温后即得到透明陶瓷材料。
进一步，步骤(2)中，升温速率为15-22℃，降温速率为50-80℃。
进一步，步骤(1)中，挤压成型的压力为200-300MPa。
进一步，所述透明陶瓷原料的粒径范围500-600nm。
具体实施方式
以下对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。
实施例1
本实施例的一种透明陶瓷材料，包括如下重量份的原料：65份二氧化硅、15份三氧化二铝、0.3份三氧化二铁、0.5份氧化钙、1份氧化钾、1份氧化镧、3份氧化镁、2份氧化锂、2份三氧化二磷、6份氮化钙。
本实施例的透明陶瓷材料的制备方法，包括如下步骤：
(1)取如上所述重量份的透明陶瓷原料，混合均匀后加入结合剂挤压成型，得到半成品；
(2)对挤压成型后的半成品升温至1500℃，并立即降温至380℃，并保温50小时；
(3)将保温后的半成品真空烧结5小时，真空烧结温度为1600℃，冷却至室温后即得到透明陶瓷材料。
具体的，步骤(2)中，升温速率为15℃，降温速率为50℃。
具体的，步骤(1)中，挤压成型的压力为200MPa。
具体的，所述透明陶瓷原料的粒径范围500nm。
本实施例的透明陶瓷材料透光度高，陶瓷生产工序少，能耗低，成本低。
实施例2
本实施例的一种透明陶瓷材料，包括如下重量份的原料：75份二氧化硅、20份三氧化二铝、0.4份三氧化二铁、0.8份氧化钙、1.5份氧化钾、2份氧化镧、4份氧化镁、3份氧化锂、3份三氧化二磷、7份氮化钙。
本实施例的透明陶瓷材料的制备方法，包括如下步骤：
(1)取如上所述重量份的透明陶瓷原料，混合均匀后加入结合剂挤压成型，得到半成品；
(2)对挤压成型后的半成品升温至1600℃，并立即降温至500℃，并保温70小时；
(3)将保温后的半成品真空烧结8小时，真空烧结温度为1700℃，冷却至室温后即得到透明陶瓷材料。
具体的，步骤(2)中，升温速率为18℃，降温速率为65℃。
具体的，步骤(1)中，挤压成型的压力为250MPa。
具体的，所述透明陶瓷原料的粒径范围550nm。
本实施例的透明陶瓷材料透光度高，陶瓷生产工序少，能耗低，成本低。
实施例3
本实施例的一种透明陶瓷材料，包括如下重量份的原料：80份二氧化硅、25份三氧化二铝、0.5份三氧化二铁、1份氧化钙、2份氧化钾、4份氧化镧、5份氧化镁、5份氧化锂、4份三氧化二磷、8份氮化钙。
本实施例的透明陶瓷材料的制备方法，包括如下步骤：
(1)取如上所述重量份的透明陶瓷原料，混合均匀后加入结合剂挤压成型，得到半成品；
(2)对挤压成型后的半成品升温至1700℃，并立即降温至700℃，并保温120小时；
(3)将保温后的半成品真空烧结12小时，真空烧结温度为1900℃，冷却至室温后即得到透明陶瓷材料。
具体的，步骤(2)中，升温速率为22℃，降温速率为80℃。
具体的，步骤(1)中，挤压成型的压力为300MPa。
具体的，所述透明陶瓷原料的粒径范围600nm。
本实施例的透明陶瓷材料透光度高，陶瓷生产工序少，能耗低，成本低。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (6)

1.一种透明陶瓷材料，其特征在于，包括如下重量份的原料：65-80份二氧化硅、15-25份三氧化二铝、0.3份-0.5份三氧化二铁、0.5-1份氧化钙、1-2份氧化钾、1-4份氧化镧、3-5份氧化镁、2-5份氧化锂、2-4份三氧化二磷、6-8份氮化钙。
2.根据权利要求1所述一种透明陶瓷材料，其特征在于，包括如下重量份的原料：75份二氧化硅、20份三氧化二铝、0.4份三氧化二铁、0.8份氧化钙、1.5份氧化钾、2份氧化镧、4份氧化镁、3份氧化锂、3份三氧化二磷、7份氮化钙。
3.一种透明陶瓷材料的制备方法，其特征在于，包括如下步骤：
(1)取权利要求1或2所述重量份的透明陶瓷原料，混合均匀后加入结合剂挤压成型，得到半成品；
(2)对挤压成型后的半成品升温至1500℃-1700℃，并立即降温至380℃-700℃，并保温50-120小时；
(3)将保温后的半成品真空烧结5-12小时，真空烧结温度为1600-1900℃，冷却至室温后即得到透明陶瓷材料。
4.根据权利要求3所述一种透明陶瓷材料的制备方法，其特征在于，步骤(2)中，升温速率为15-22℃，降温速率为50-80℃。
5.根据权利要求3所述一种透明陶瓷材料的制备方法，其特征在于，步骤(1)中，挤压成型的压力为200-300MPa。
6.根据权利要求3所述一种透明陶瓷材料的制备方法，其特征在于，所述透明陶瓷原料的粒径范围500-600nm。
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