CN115028452A - 一种炭陶复合的陶瓷及其制备方法 - Google Patents
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Abstract
本发明公开了一种炭陶复合的陶瓷,包括石墨粉35‑45份、锂辉石8‑12份、黏土35‑45份、滑石8‑12份。在本发明的方案中石墨作为主要材料是提高产品性能的关键,粘土是成型的关键必须采用粘度较高的粘土,锂辉石可以降低膨胀系数使产品的耐热冲击性提高,滑石则是降低焙烧温度从而节省能源;焙烧区别于普通陶瓷产品的是必须在真空环境下进行防止石墨氧化。
Description
技术领域
本发明涉及陶瓷制造技术领域,具体的说涉及一种炭陶复合的陶瓷及其制备方法。
背景技术
随着人们对炊具性能的要求逐渐升高,市面上的高性能炊具层出不穷。目前涉及到陶瓷锅具,比传统的陶瓷锅具导热系数高,耐热冲击性强,制作工艺也有所区别。现有的陶瓷锅具存在导热系数较低,烹饪速度较慢等缺点。
因此,提供一种具有较高的导热系数和耐热冲击性的炭陶复合的陶瓷及其制备方法是本领域技术人员亟需解决的技术问题。
发明内容
有鉴于此,本发明提供了一种一种炭陶复合的陶瓷及其制备方法。
为了实现上述目的,本发明采用如下技术方案:
一种炭陶复合的陶瓷包括以下重量份数原料:石墨粉35-45份、锂辉石8-12份、黏土35-45份、滑石8-12份。
优选的,所述炭陶复合的陶瓷,包括以下重量份数原料:石墨粉40份、锂辉石10份、黏土40份、滑石10份。
进一步,所述石墨粉为天然鳞片石墨粉,所述石墨粉的粒度为325目。
更进一步,所述天然鳞片石墨粉的纯度为98%以上。
本发明还提供了上述炭陶复合的陶瓷的制备方法,包括以下步骤:
(1)按上述重量份数称取各原料;
(2)将粘土、锂辉石和滑石一起放入球磨机里加水至球磨机容量满研磨成泥浆,然后在磨细后的泥浆里面加入石墨粉并搅拌均匀,再经过筛,压滤,练泥制成瓷泥;
(3)将瓷泥以滚压工艺制成生胚,将生胚置于室温中干燥后上釉待用;
(4)将上好釉的碳陶生胚放入真空窑炉中,通过真空焙烧制成成品,最后对焙烧好的成品打磨,得到炭陶复合陶瓷。
进一步,步骤(2)中所述球磨时间为10h,球磨粒度为250目;
进一步,步骤(2)中所述过筛粒度为250目。
进一步,步骤(4)中所述真空焙烧过程为从室温经4h升温至200℃的,然后再经6h使温度升温至800℃,最后就通过4h匀速升温至1250℃,并保温30min。
本发明的有益效果在于:在本发明的方案中石墨作为主要材料是提高产品性能的关键,粘土是成型的关键必须采用粘度较高的粘土,锂辉石可以降低膨胀系数使产品的耐热冲击性提高,滑石则是降低焙烧温度从而节省能源;焙烧区别于普通陶瓷产品的是必须在真空环境下进行反正石墨氧化。
本发明产品作为新型陶瓷锅具,除了继承陶瓷锅具无涂层环保等特点,又大大地提高了锅具的导热系数和耐热冲击性。普通陶瓷产品的导热系数低(耐火砖1左右,地板砖在2左右),而本发明采用的石墨的导热系数是陶瓷材料的一百倍以上,通过本发明原料的复配,能做出导热系数比普通陶瓷材料高40倍以上的产品。另本发明采用的石墨的耐热冲击可达到24J/(m.s),通过与陶瓷材料的复配,能轻易实现抗热震实验400度滴水不开裂的产品。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种炭陶复合的陶瓷
(1)称取纯度为98%、粒度为325目的天然鳞片石墨粉35份,锂辉石8份,粘土45份,滑石12份;
(2)将粘土、锂辉石和滑石一起放入球磨机里加水至球磨机容量满研磨10h成250目泥浆,然后在磨细后的泥浆里面加入石墨粉并搅拌均匀,再经过250目筛,压滤,练泥制成瓷泥;
(3)将瓷泥以滚压工艺制成生胚,将生胚置于室温中干燥后上釉待用;
(4)将上好釉的碳陶生胚放入真空窑炉中,通过真空焙烧制成成品,其过程为过程为从室温经4h升温至200℃的,然后再经6h使温度升温至800℃,最后就通过4h匀速升温至1250℃,并保温30min,最后对焙烧好的成品打磨,得到炭陶复合陶瓷。
实施例2
一种炭陶复合的陶瓷
(1)称取纯度为98%、粒度为325目的天然鳞片石墨粉45份,锂辉石12份,粘土8份,滑石35份;
(2)将粘土、锂辉石和滑石一起放入球磨机里加水至球磨机容量满研磨10h成250目泥浆,然后在磨细后的泥浆里面加入石墨粉并搅拌均匀,再经过250目筛,压滤,练泥制成瓷泥;
(3)将瓷泥以滚压工艺制成生胚,将生胚置于室温中干燥后上釉待用;
(4)将上好釉的碳陶生胚放入真空窑炉中,通过真空焙烧制成成品,其过程为过程为从室温经4h升温至200℃的,然后再经6h使温度升温至800℃,最后就通过4h匀速升温至1250℃,并保温30min,最后对焙烧好的成品打磨,得到炭陶复合陶瓷。
实施例3
一种炭陶复合的陶瓷
((1)称取纯度为98%、粒度为325目的天然鳞片石墨粉40份,锂辉石10份,粘土40份,滑石10份;
(2)将粘土、锂辉石和滑石一起放入球磨机里加水至球磨机容量满研磨10h成250目泥浆,然后在磨细后的泥浆里面加入石墨粉并搅拌均匀,再经过250目筛,压滤,练泥制成瓷泥;
(3)将瓷泥以滚压工艺制成生胚,将生胚置于室温中干燥后上釉待用;
(4)将上好釉的碳陶生胚放入真空窑炉中,通过真空焙烧制成成品,其过程为过程为从室温经4h升温至200℃的,然后再经6h使温度升温至800℃,最后就通过4h匀速升温至1250℃,并保温30min,最后对焙烧好的成品打磨,得到炭陶复合陶瓷。
实施例4
一种炭陶复合的陶瓷
(1)称取纯度为98%、粒度为325目的天然鳞片石墨粉35份,锂辉石10份,粘土42份,滑石9份;
(2)将粘土、锂辉石和滑石一起放入球磨机里加水至球磨机容量满研磨10h成250目泥浆,然后在磨细后的泥浆里面加入石墨粉并搅拌均匀,再经过250目筛,压滤,练泥制成瓷泥;
(3)将瓷泥以滚压工艺制成生胚,将生胚置于室温中干燥后上釉待用;
(4)将上好釉的碳陶生胚放入真空窑炉中,通过真空焙烧制成成品,其过程为过程为从室温经4h升温至200℃的,然后再经6h使温度升温至800℃,最后就通过4h匀速升温至1250℃,并保温30min,最后对焙烧好的成品打磨,得到炭陶复合陶瓷。
尽管上面已经示出和描述了本发明的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本发明的限制,本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。
Claims (8)
1.一种炭陶复合的陶瓷,其特征在于,包括以下重量份数原料:石墨粉35-45份、锂辉石8-12份、黏土35-45份、滑石8-12份。
2.根据权利要求1所述一种炭陶复合的陶瓷,其特征在于,包括以下重量份数原料:石墨粉40份、锂辉石10份、黏土40份、滑石10份。
3.根据权利要求1或2所述一种炭陶复合的陶瓷,其特征在于,所述石墨粉为天然鳞片石墨粉,所述石墨粉的粒度为325目。
4.根据权利要求3所述一种炭陶复合的陶瓷,其特征在于,所述天然鳞片石墨粉的纯度为98%以上。
5.一种炭陶复合的陶瓷的制备方法,其特征在于,包括以下步骤:
(1)按权利要求1-4任一项所述重量份数称取各原料;
(2)将粘土、锂辉石和滑石一起放入球磨机里加水至球磨机容量满研磨成泥浆,然后在磨细后的泥浆里面加入石墨粉并搅拌均匀,再经过筛,压滤,练泥制成瓷泥;
(3)将瓷泥以滚压工艺制成生胚,将生胚置于室温中干燥后上釉待用;
(4)将上好釉的碳陶生胚放入真空窑炉中,通过真空焙烧制成成品,最后对焙烧好的成品打磨,得到炭陶复合陶瓷。
6.根据权利要求5所述一种炭陶复合的陶瓷的制备方法,其特征在于,步骤(2)中所述球磨时间为10h,球磨粒度为250目。
7.根据权利要求5所述一种炭陶复合的陶瓷的制备方法,其特征在于,步骤(2)中所述过筛粒度为250目。
8.根据权利要求5所述一种炭陶复合的陶瓷的制备方法,其特征在于,步骤(4)中所述真空焙烧过程为从室温经4h升温至200℃的,然后再经6h使温度升温至800℃,最后就通过4h匀速升温至1250℃,并保温30min。
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Citations (6)
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