CN107903077B - 一种高强度陶瓷材料 - Google Patents

一种高强度陶瓷材料 Download PDF

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CN107903077B
CN107903077B CN201711410794.9A CN201711410794A CN107903077B CN 107903077 B CN107903077 B CN 107903077B CN 201711410794 A CN201711410794 A CN 201711410794A CN 107903077 B CN107903077 B CN 107903077B
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刘彪
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JIESHOU WEISHENG ANCIENT KILN PAINTED POTTERY MAKING DEVELOPMENT Co.,Ltd.
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Abstract

本发明公开了一种高强度陶瓷材料，涉及陶瓷材料技术领域，由以下成分制成：碳化硅、二氧化硅、氧化钛、重晶石粉、硅酸铝纤维、腐殖酸钠、氮化硼、电石渣、磷渣粉、二硫化钼、三羟乙基甲基胺硫酸甲酯盐、多巴胺改性氧化锌晶须、莫来石；本发明制备的一种高强度陶瓷材料，具有很好的硬度，同时抗氧化、抗腐蚀，并且兼具了一定的韧性，使用效果好。

Description

一种高强度陶瓷材料
技术领域
本发明属于陶瓷材料技术领域，具体涉及一种高强度陶瓷材料。
背景技术
陶瓷材料具有密度低、比强度高、耐高温以及高温下化学性质稳定等优点，因而在航空、航天、冶金和石化等领域得到广泛应用。且由于单一材料本身的限制，要满足多种苛刻条件，必须通过材料的复合才能满足多元的需求。因此高强度陶瓷复合材料具有强度和韧性的双重优势。碳化硅陶瓷具有硬度高，耐强温、耐氧化、耐腐蚀，高温强度高，分解温度高，化学稳定性好，抗热震性好，热导率高，热膨胀系数低等优点，在诸多领域有广泛的应用，尤其是碳化硅陶瓷所具有的优良的热力学性能使其在热交换器、蓄热燃烧等对热性能要求较高的场合具有广阔的应用前景。
发明内容
本发明的目的是针对现有的问题，提供了一种高强度陶瓷材料。
本发明是通过以下技术方案实现的：
一种高强度陶瓷材料，按重量份计由以下成分制成：碳化硅15-20、二氧化硅75-80、氧化钛2-5、重晶石粉3-6、硅酸铝纤维1.2-1.8、腐殖酸钠1.2-1.8、氮化硼6-10、电石渣15-18、磷渣粉1-3、二硫化钼0.1-1.5、三羟乙基甲基胺硫酸甲酯盐0.30-0.32、多巴胺改性氧化锌晶须2.5-2.8、莫来石5-8。
进一步的，所述多巴胺改性氧化锌晶须制备方法为：
配置质量分数为10%的多巴胺盐酸溶液，调节pH到9.5，然后将氧化锌晶须加入多巴胺盐酸溶液中浸泡，以580r/min转速搅拌2.5小时，然后进行过滤，采用去离子水对氧化锌晶须进行表面清洗至中性，烘干至恒重，得到多巴胺改性的氧化锌晶须。
进一步的，所述调节pH为采用质量分数为5%的氢氧化钠溶液进行调节。
进一步的，所述铝氧化锌晶须与多巴胺盐溶液混合质量比为100g：380mL。
进一步的，所述烘干至恒重为在80℃下烘干至恒重。
进一步的，所述三羟乙基甲基胺硫酸甲酯盐为三羟乙基甲基胺硫酸甲酯钠。
本发明相比现有技术具有以下优点：本发明制备的一种高强度陶瓷材料，具有很好的硬度，同时抗氧化、抗腐蚀，并且兼具了一定的韧性，使用效果好，经检测，本发明制备的高强度陶瓷材料的热导率为189.18W/（m·K），三点弯曲强度为398.09MPa，断裂韧性为7.32MPa·m1/2，相较于现有的陶瓷复合材料的三点弯曲强度与断裂韧性均提高了15%以上，显著的提高了其应用范围。
具体实施方式
实施例1
一种高强度陶瓷材料，按重量份计由以下成分制成：碳化硅15、二氧化硅75、氧化钛2、重晶石粉3、硅酸铝纤维1.2、腐殖酸钠1.2、氮化硼6、电石渣15、磷渣粉1、二硫化钼0.1、三羟乙基甲基胺硫酸甲酯盐0.30、多巴胺改性氧化锌晶须2.5、莫来石5。
进一步的，所述多巴胺改性氧化锌晶须制备方法为：
配置质量分数为10%的多巴胺盐酸溶液，调节pH到9.5，然后将氧化锌晶须加入多巴胺盐酸溶液中浸泡，以580r/min转速搅拌2.5小时，然后进行过滤，采用去离子水对氧化锌晶须进行表面清洗至中性，烘干至恒重，得到多巴胺改性的氧化锌晶须。
进一步的，所述调节pH为采用质量分数为5%的氢氧化钠溶液进行调节。
进一步的，所述铝氧化锌晶须与多巴胺盐溶液混合质量比为100g：380mL。
进一步的，所述烘干至恒重为在80℃下烘干至恒重。
进一步的，所述三羟乙基甲基胺硫酸甲酯盐为三羟乙基甲基胺硫酸甲酯钠。
实施例2
一种高强度陶瓷材料，按重量份计由以下成分制成：碳化硅20、二氧化硅80、氧化钛5、重晶石粉6、硅酸铝纤维1.8、腐殖酸钠1.8、氮化硼10、电石渣18、磷渣粉3、二硫化钼1.5、三羟乙基甲基胺硫酸甲酯盐0.32、多巴胺改性氧化锌晶须2.8、莫来石8。
进一步的，所述多巴胺改性氧化锌晶须制备方法为：
配置质量分数为10%的多巴胺盐酸溶液，调节pH到9.5，然后将氧化锌晶须加入多巴胺盐酸溶液中浸泡，以580r/min转速搅拌2.5小时，然后进行过滤，采用去离子水对氧化锌晶须进行表面清洗至中性，烘干至恒重，得到多巴胺改性的氧化锌晶须。
进一步的，所述调节pH为采用质量分数为5%的氢氧化钠溶液进行调节。
进一步的，所述铝氧化锌晶须与多巴胺盐溶液混合质量比为100g：380mL。
进一步的，所述烘干至恒重为在80℃下烘干至恒重。
进一步的，所述三羟乙基甲基胺硫酸甲酯盐为三羟乙基甲基胺硫酸甲酯钠。
实施例3
一种高强度陶瓷材料，按重量份计由以下成分制成：碳化硅18、二氧化硅76、氧化钛3、重晶石粉5、硅酸铝纤维1.6、腐殖酸钠1.5、氮化硼8、电石渣16、磷渣粉2、二硫化钼0.8、三羟乙基甲基胺硫酸甲酯盐0.31、多巴胺改性氧化锌晶须2.6、莫来石6 。
进一步的，所述多巴胺改性氧化锌晶须制备方法为：
配置质量分数为10%的多巴胺盐酸溶液，调节pH到9.5，然后将氧化锌晶须加入多巴胺盐酸溶液中浸泡，以580r/min转速搅拌2.5小时，然后进行过滤，采用去离子水对氧化锌晶须进行表面清洗至中性，烘干至恒重，得到多巴胺改性的氧化锌晶须。
进一步的，所述调节pH为采用质量分数为5%的氢氧化钠溶液进行调节。
进一步的，所述铝氧化锌晶须与多巴胺盐溶液混合质量比为100g：380mL。
进一步的，所述烘干至恒重为在80℃下烘干至恒重。
进一步的，所述三羟乙基甲基胺硫酸甲酯盐为三羟乙基甲基胺硫酸甲酯钠。
实施例的高强度陶瓷复合材料的热导率为189.18W/（m·K），三点弯曲强度为398.09MPa，断裂韧性为7.32MPa·m1/2。相较于现有的陶瓷复合材料的三点弯曲强度与断裂韧性均提高了15%以上。

Claims (6)

1.一种高强度陶瓷材料，其特征在于，按重量份计由以下成分制成：碳化硅15-20、二氧化硅75-80、氧化钛2-5、重晶石粉3-6、硅酸铝纤维1.2-1.8、腐殖酸钠1.2-1.8、氮化硼6-10、电石渣15-18、磷渣粉1-3、二硫化钼0.1-1.5、三羟乙基甲基胺硫酸甲酯盐0.30-0.32、多巴胺改性氧化锌晶须2.5-2.8、莫来石5-8。
2.如权利要求1所述的一种高强度陶瓷材料，其特征在于，所述多巴胺改性氧化锌晶须制备方法为：
配置质量分数为10%的多巴胺盐酸溶液，调节pH到9.5，然后将氧化锌晶须加入多巴胺盐酸溶液中浸泡，以580r/min转速搅拌2.5小时，然后进行过滤，采用去离子水对氧化锌晶须进行表面清洗至中性，烘干至恒重，得到多巴胺改性的氧化锌晶须。
3.如权利要求2所述的一种高强度陶瓷材料，其特征在于，所述调节pH为采用质量分数为5%的氢氧化钠溶液进行调节。
4.如权利要求2所述的一种高强度陶瓷材料，其特征在于，所述氧化锌晶须与多巴胺盐溶液混合质量比为100g：380mL。
5.如权利要求2所述的一种高强度陶瓷材料，其特征在于，所述烘干至恒重为在80℃下烘干至恒重。
6.如权利要求1所述的一种高强度陶瓷材料，其特征在于，所述三羟乙基甲基胺硫酸甲酯盐为三羟乙基甲基胺硫酸甲酯钠。
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