CN104370546B - 一种散热器连接件用高导热性陶瓷及其制备方法 - Google Patents

一种散热器连接件用高导热性陶瓷及其制备方法 Download PDF

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CN104370546B
CN104370546B CN201410584744.2A CN201410584744A CN104370546B CN 104370546 B CN104370546 B CN 104370546B CN 201410584744 A CN201410584744 A CN 201410584744A CN 104370546 B CN104370546 B CN 104370546B
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倪娟形
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Nantong At&m New Materials Co ltd
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Abstract

本发明公开了一种散热器连接件用高导热性陶瓷及其制备方法，其由下列重量份的原料制成：金刚石30、硅灰石25、硼化锆3、氧化钇0.5、氮化铝2、氧化铍1、碳化钛1、氧化锌5、氧化铟锡1.5、氰脲酸0.5、三缩水甘油酯0.4、羟丙基淀粉5、海藻酸钠3、聚氧化乙烯4、羟丙基黄原胶3、硬脂酸钡2、聚乙二醇4、糖钙2、纸浆废液3、腐植酸钠2.5、去离子水适量。本发明的陶瓷制作工艺精良，瓷质细腻，耐高温；通过添加氧化铟锡、硼化锆和碳化钛等原料，大大增加了陶瓷的导热性，防止功能元件因热量蓄积而带来的损坏。

Description

一种散热器连接件用高导热性陶瓷及其制备方法
技术领域
本发明涉及陶瓷材料领域，尤其涉及一种散热器连接件用高导热性陶瓷及其制备方法。
背景技术
散热器连接件的导热性能直接决定了功能元件产生的热量散发掉的情况，进而间接影响功能元件的工作情况，常用金属作为的散热器连接件，金属容易被氧化被腐蚀，长时间下来，容易造成散热器件和功能元件的无法拆卸，不理由功能元件的维修。
发明内容
本发明的目的针对传统的金属作为散热器连接件的不足，提出一种散热器连接件用高导热性陶瓷。
为实现上述目的，本发明采用的技术方案如下：
一种散热器连接件用高导热性陶瓷，由下列重量份的原料制成：金刚石30-36、硅灰石25-30、硼化锆3-6、氧化钇0.5-1.5、氮化铝2-4、氧化铍1-2、碳化钛1-1.5、氧化锌5-10、氧化铟锡1.5-2.5、氰脲酸0.5-0.7、三缩水甘油酯0.4-0.6、羟丙基淀粉5-10、海藻酸钠3-6、聚氧化乙烯4-7、羟丙基黄原胶3-5、硬脂酸钡2-4、聚乙二醇4-8、糖钙2-3、纸浆废液3-6、腐植酸钠2.5-4.5、去离子水适量。
一种散热器连接件用高导热性陶瓷的制备方法，包括以下步骤：
（1）将金刚石、氮化铝、碳化钛、氧化铍混合均匀，粉碎，过100-150目筛后与聚乙二醇和糖钙混合均匀，1500-2500rpm高速球磨2-3h，烘干，粉碎，得颗粒A；
（2）将硅灰石、硼化锆、氧化铍、氧化铟锡、氧化锌混合均匀，粉碎，过150-200目筛后与纸浆废液和腐植酸钠混合均匀，2000-2500rpm高速球磨1-2h，烘干，粉碎，得颗粒B；
（3）将上述制得的颗粒A和颗粒B混合均匀，450-550℃煅烧2-3h；
（4）将经步骤（3）煅烧过的颗粒放入球磨机内，5000-6000rpm高速球磨1-2h，得复合超细粉；
（5）将聚氧化乙烯、羟丙基黄原胶和硬脂酸钡加入步骤（4）所得的复合超细粉中，并采用喷雾法加入适量去离子水，搅拌均匀，得颗粒C；
（6）将氰脲酸、三缩水甘油酯、羟丙基淀粉、海藻酸钠与步骤（5）得到的颗粒C混合，加入相当于混合料重量15-20%的去离子水、搅拌成泥状，送入煅烧炉中，在常压，640-720℃温度下煅烧1-2h，得干坯；将干坯在压力为18-22Mpa、温度为1200-1600℃、70%CO-30%H2氛围下烧结4-6h，即得成品。
本发明的有益效果：
本发明的陶瓷制作工艺精良，瓷质细腻，耐高温；通过添加氧化铟锡、硼化锆和碳化钛等原料，大大增加了陶瓷的导热性，防止功能元件因热量蓄积而带来的损坏。
具体实施方式
实施例1
一种散热器连接件用高导热性陶瓷，由下列重量（kg）的原料制成：金刚石30、硅灰石25、硼化锆3、氧化钇0.5、氮化铝2、氧化铍1、碳化钛1、氧化锌5、氧化铟锡1.5、氰脲酸0.5、三缩水甘油酯0.4、羟丙基淀粉5、海藻酸钠3、聚氧化乙烯4、羟丙基黄原胶3、硬脂酸钡2、聚乙二醇4、糖钙2、纸浆废液3、腐植酸钠2.5、去离子水适量。
一种散热器连接件用高导热性陶瓷的制备方法，包括以下步骤：
（1）将金刚石、氮化铝、碳化钛、氧化铍混合均匀，粉碎，过100目筛后与聚乙二醇和糖钙混合均匀，1500rpm高速球磨3h，烘干，粉碎，得颗粒A；
（2）将硅灰石、硼化锆、氧化铍、氧化铟锡、氧化锌混合均匀，粉碎，过150目筛后与纸浆废液和腐植酸钠混合均匀，2000rpm高速球磨2h，烘干，粉碎，得颗粒B；
（3）将上述制得的颗粒A和颗粒B混合均匀，450℃煅烧3h；
（4）将经步骤（3）煅烧过的颗粒放入球磨机内，5000rpm高速球磨2h，得复合超细粉；
（5）将聚氧化乙烯、羟丙基黄原胶和硬脂酸钡加入步骤（4）所得的复合超细粉中，并采用喷雾法加入适量去离子水，搅拌均匀，得颗粒C；
（6）将氰脲酸、三缩水甘油酯、羟丙基淀粉、海藻酸钠与步骤（5）得到的颗粒C混合，加入相当于混合料重量15%的去离子水、搅拌成泥状，送入煅烧炉中，在常压，640℃温度下煅烧2h，得干坯；将干坯在压力为18Mpa、温度为1200℃、70%CO-30%H2氛围下烧结6h，即得成品。
实验测量该散热器连接件用陶瓷的散热系数为15.75W/mk。
实施例2
一种散热器连接件用高导热性陶瓷，由下列重量（kg）的原料制成：金刚石32、硅灰石28、硼化锆4.5、氧化钇1、氮化铝3、氧化铍1.5、碳化钛1.2、氧化锌7、氧化铟锡2、氰脲酸0.6、三缩水甘油酯0.5、羟丙基淀粉8、海藻酸钠4、聚氧化乙烯5、羟丙基黄原胶4、硬脂酸钡3、聚乙二醇6、糖钙2.5、纸浆废液4.5、腐植酸钠3.5、去离子水适量。
一种散热器连接件用高导热性陶瓷的制备方法，包括以下步骤：
（1）将金刚石、氮化铝、碳化钛、氧化铍混合均匀，粉碎，过120目筛后与聚乙二醇和糖钙混合均匀，2000rpm高速球磨2.5h，烘干，粉碎，得颗粒A；
（2）将硅灰石、硼化锆、氧化铍、氧化铟锡、氧化锌混合均匀，粉碎，过180目筛后与纸浆废液和腐植酸钠混合均匀，2200rpm高速球磨1.5h，烘干，粉碎，得颗粒B；
（3）将上述制得的颗粒A和颗粒B混合均匀，500℃煅烧2.5h；
（4）将经步骤（3）煅烧过的颗粒放入球磨机内，5500rpm高速球磨1.5h，得复合超细粉；
（5）将聚氧化乙烯、羟丙基黄原胶和硬脂酸钡加入步骤（4）所得的复合超细粉中，并采用喷雾法加入适量去离子水，搅拌均匀，得颗粒C；
（6）将氰脲酸、三缩水甘油酯、羟丙基淀粉、海藻酸钠与步骤（5）得到的颗粒C混合，加入相当于混合料重量18%的去离子水、搅拌成泥状，送入煅烧炉中，在常压，680℃温度下煅烧1.5h，得干坯；将干坯在压力为20Mpa、温度为1400℃、70%CO-30%H2氛围下烧结5h，即得成品。
实验测量该散热器连接件用陶瓷的散热系数为15.52W/mk。
实施例3
一种散热器连接件用高导热性陶瓷，由下列重量（kg）的原料制成：金刚石36、硅灰石30、硼化锆6、氧化钇1.5、氮化铝4、氧化铍2、碳化钛1.5、氧化锌10、氧化铟锡2.5、氰脲酸0.7、三缩水甘油酯0.6、羟丙基淀粉10、海藻酸钠6、聚氧化乙烯7、羟丙基黄原胶5、硬脂酸钡4、聚乙二醇8、糖钙3、纸浆废液6、腐植酸钠4.5、去离子水适量。
一种散热器连接件用高导热性陶瓷的制备方法，包括以下步骤：
（1）将金刚石、氮化铝、碳化钛、氧化铍混合均匀，粉碎，过150目筛后与聚乙二醇和糖钙混合均匀，2500rpm高速球磨2h，烘干，粉碎，得颗粒A；
（2）将硅灰石、硼化锆、氧化铍、氧化铟锡、氧化锌混合均匀，粉碎，过200目筛后与纸浆废液和腐植酸钠混合均匀，2500rpm高速球磨1h，烘干，粉碎，得颗粒B；
（3）将上述制得的颗粒A和颗粒B混合均匀，550℃煅烧2h；
（4）将经步骤（3）煅烧过的颗粒放入球磨机内，6000rpm高速球磨1h，得复合超细粉；
（5）将聚氧化乙烯、羟丙基黄原胶和硬脂酸钡加入步骤（4）所得的复合超细粉中，并采用喷雾法加入适量去离子水，搅拌均匀，得颗粒C；
（6）将氰脲酸、三缩水甘油酯、羟丙基淀粉、海藻酸钠与步骤（5）得到的颗粒C混合，加入相当于混合料重量20%的去离子水、搅拌成泥状，送入煅烧炉中，在常压，720℃温度下煅烧1h，得干坯；将干坯在压力为22Mpa、温度为1600℃、70%CO-30%H2氛围下烧结4h，即得成品。
实验测量该散热器连接件用陶瓷的散热系数为15.68W/mk。

Claims (1)

1.一种散热器连接件用高导热性陶瓷，其特征在于由下列重量份的原料制成：金刚石30-36、硅灰石25-30、硼化锆3-6、氧化钇0.5-1.5、氮化铝2-4、氧化铍1-2、碳化钛1-1.5、氧化锌5-10、氧化铟锡1.5-2.5、氰脲酸0.5-0.7、三缩水甘油酯0.4-0.6、羟丙基淀粉5-10、海藻酸钠3-6、聚氧化乙烯4-7、羟丙基黄原胶3-5、硬脂酸钡2-4、聚乙二醇4-8、糖钙2-3、纸浆废液3-6、腐植酸钠2.5-4.5、去离子水适量。
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