CN113754411A - 一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法 - Google Patents
一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法 Download PDFInfo
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Abstract
本发明公开了一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法。该方法先将称量好的氧化铝、氧化钇、氧化铈陶瓷粉体与粘结剂、纯水经3D打印直写技术打印成帽型的Ce:YAG荧光陶瓷胚体,自然固化后经干燥处理和排胶处理,得到帽型的Ce:YAG荧光陶瓷;然后将配制好的红色釉料浆料采用3D打印直写技术涂覆在Ce:YAG荧光陶瓷表面,经固化后,即可得到红色釉上彩Ce:YAG荧光陶瓷。本发明的制备方法有效的提高了光的均匀分布,且提升了光效。
Description
技术领域
本发明属于3D打印技术领域,具体涉及一种基于3D打印红色釉上彩Ce:YAG 荧光陶瓷的制备方法。
背景技术
荧光陶瓷是一种基于先进透明陶瓷烧结技术的新型荧光转换材料。通过陶瓷基质筛选、不同稀土掺杂、晶体场环境调控、能量传递过程控制和精细化结构设计,使其具备色温可调、抗热冲击、发光稳定、发光效率高及寿命长等优势。
瓷画是指在素瓷胎上使用化工颜料手工绘画、上釉,再经高温烧制而成的一种平面陶瓷工艺品。在帽型的Ce:YAG荧光陶瓷中缺少红光,因此在Ce:YAG荧光陶瓷表面涂覆一层红色釉料可以使光发布的更加均匀。陶瓷釉上大红颜料是陶瓷装饰材料中重要颜色。传统陶瓷釉上大红颜料主要由色剂和助溶剂制成,其中色剂制备选用原料主要为碳酸镉、硒、硫磺、硫化镉,配入适当助溶剂,在一定温度下熔制便得到鲜明的深红色釉上颜料。
现有的3D打印技术主要分为熔融沉积式(FDM)、分层实体制造(LOM)、选择性激光烧结(SLS)和三维印刷成型(3DP)。FDM技术需要设置支撑结构,并且在打印过程中喷头加热的温度较高,对原料的抗弯性能、拉伸强度、硬度以及抗压强度等性能有很高的要求,其制作的零件精度较低同时表面存在打印纹理,该技术制造的零件在应用时受到很大限制。LOM技术采用的薄膜材料在切割叠加过程中材料的利用率较低,同时需要运用激光切割,加工成本较高,制品边界还需要抛光,陶瓷样件的密度也不均匀。SLS技术制造零件的加工时间长,成本高,零件表面粗糙,烧结过程中有异味,并且无法直接成型高密度陶瓷零件,成型大尺寸零件时还容易发生翘曲变形。3DP技术是通过喷头喷出的粘结剂将粉末粘结成整体来制作零部件的一种非接触式打印方式,具有快捷、适用范围广、精细度高等独特的优势。与传统的陶瓷成型的技术相比,通过3D打印技术不仅能使陶瓷的模型更多,模样更丰富,还有利于光的均匀分布。
目前,CN 108947516 B公开了一种(Cu,Ce):YAG透明荧光陶瓷及其制备方法与应用;CN 111875413 A公开了一种陶瓷釉上彩红色颜料及其制备方法,该颜料加入了无铅低熔点玻璃粉;而CN 112521130 A公开了一种基于3D打印技术获得高致密陶瓷零件的制备方法;对于第一个专利,(Cu,Ce):YAG透明荧光陶瓷机械性能强,可应用于白光LED和其它发光领域,制备工艺简单;第二个专利,有效的降低蓝颜料中的钴含量溶出,不使用氧化锂和氧化锡,成本低,且保持较高的化学稳定性;第三个专利提高了3D打印技术制造的陶瓷的致密度。
发明内容
本发明的目的是提供一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法,该方法有效的提高了光的均匀分布,且提升了光效。
为实现上述目的,本发明采用的技术方案如下:
一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法,包括以下步骤:
步骤一:根据化学式(Y1-x Cex)3 Al5O12 ,x=0.001~ 0.01的化学计量比分别称量氧化铝、氧化钇和氧化铈陶瓷粉体配制成Ce:YAG陶瓷粉;
步骤二:将上述Ce:YAG陶瓷粉和粘结剂、纯水充分混合后,做成3D打印用的Ce:YAG陶瓷浆料;
步骤三:将上述陶瓷浆料采用3D打印直写技术打印成帽型的Ce:YAG荧光陶瓷胚体;
步骤四:将打印好的Ce:YAG荧光陶瓷胚体放置在20~30℃中自然固化6~8 h,把固化好的陶瓷胚体依次进行干燥处理和排胶处理,从而得到帽型的Ce:YAG荧光陶瓷;
步骤五:制作红色釉料,并用该釉料与粘结剂、纯水充分混合后,做成3D打印用的红色釉料浆料;
步骤六:将上述红色釉料浆料采用3D打印直写技术打印在Ce:YAG荧光陶瓷表面涂覆一层厚度为0.5mm的釉料后,在20~30℃下自然固化7~9 h,把固化好的红色釉上彩Ce:YAG荧光陶瓷胚体进行烘烤处理,从而得到红色釉上彩Ce:YAG荧光陶瓷。
优选的,步骤一中,所述氧化铝、氧化钇、氧化铈的质量百分纯度为≥99.9%。
优选的,步骤二中,所述的粘结剂为丙烯酸聚合物粘结剂,且Ce:YAG陶瓷粉与丙烯酸聚合物粘结剂、纯水的质量之比为1:(2~4):(6~8)。
优选的,步骤三中,所述的帽型结构可以通过电脑进行建模后传输到3D打印机上。
优选的,步骤四中,所述干燥处理的具体步骤是:在30~40 ℃温度下保温24~72h;再升温至55~80 ℃,保温24~72 h;所述排胶处理的具体步骤是:30~40 ℃下以0.5~2℃/min的速率升温至400~500 ℃,保温4~8 h,再以0.5~2 ℃/min升温到800~900 ℃,并保温4~8 h。
优选的,步骤五中,所述红色釉料为C7702、C7703、C7306红色釉料;所述粘结剂为丙烯酸聚合物粘结剂,且红色釉料与丙烯酸聚合物粘结剂、纯水的质量之比为1:(2~4):(6~8)。
优选的,步骤六中,所述烘烤的具体步骤是:在700~900 ℃温度下烘烤6~8 h后等其自然冷却。
与现有技术相比,本发明具有如下有益效果:
本发明克服了光在其他的一些模型结构中分布不均匀的问题,通过3D打印技术制作出来的帽型结构不仅使光分布的均匀,还提升了光效。
本发明克服了光在Ce:YAG荧光陶瓷中缺少红光的问题,在Ce:YAG荧光陶瓷的表面涂覆一层红色釉料,使红光得以补充。
与现有技术相比,本发明具有如下有益效果:
本发明克服了光在其他的一些模型结构中分布不均匀的问题,通过3D打印技术制作出来的帽型结构不仅使光分布的均匀,还提升了光效。
本发明克服了光在Ce:YAG荧光陶瓷中缺少红光的问题,在Ce:YAG荧光陶瓷的表面涂覆一层红色釉料,使红光得以补充。
附图说明
图1为本发明制备方法的流程图。
图2为本发明红色釉上彩Ce:YAG光陶瓷的帽型复合结构。
具体实施方式
下面结合具体实施例对本发明进一步详细说明。
以下实施例中所使用的原料粉体均为高纯(≥99.99%)粉体
实施例1
一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法,包括以下步骤:
(1)按照制备60g的(Y0.999Ce0.001)3Al5O12材料,根据化学式中各元素的化学计量比分别称量氧化铝、氧化钇和氧化铈陶瓷粉体配制成Ce:YAG陶瓷粉;
(2)将上述Ce:YAG陶瓷粉和 粘结剂、纯水充分混合后,做成3D打印用的Ce:YAG陶瓷浆料;所述的粘结剂为丙烯酸聚合物粘结剂,且Ce:YAG陶瓷粉与丙烯酸聚合物粘结剂、纯水的质量之比为1:2:6;
(3)将上述陶瓷浆料采用3D打印直写技术打印成帽型的Ce:YAG荧光陶瓷胚体;
(4)将打印好的Ce:YAG荧光陶瓷胚体放置在20℃中自然固化6 h,把固化好的陶瓷胚体依次进行干燥处理和排胶处理;所述干燥的具体步骤是:在30℃温度下保温24 h;再升温至55 ℃,保温24 h;所述排胶的具体步骤是:30 ℃下以0.5℃/min的速率升温至400 ℃,保温4 h,再以0.5 ℃/min升温到800℃,并保温4 h;
(5)制作红色釉料,并用该釉料与粘结剂、纯水充分混合后,做成3D打印用的红色釉料浆料;所述红色釉料为C7702大红色釉料;所述粘结剂为丙烯酸聚合物粘结剂,且C7702大红色釉料与丙烯酸聚合物粘结剂、纯水的质量之比为1:2:6;
(6)将上述红色釉料浆料采用3D打印直写技术打印在Ce:YAG荧光陶瓷表面涂覆一层厚度为0.5mm的釉料后,在20℃下自然固化7 h,把固化好的红色釉上彩Ce:YAG荧光陶瓷胚体进行烘烤处理;所述烘烤的具体步骤是:在700 ℃温度下烘烤6 h后等其自然冷却。从而得到红色釉上彩Ce:YAG荧光陶瓷。
实施例2
一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法,包括以下步骤:
(1)按照制备60g的(Y0.998Ce0.002)3Al5O12材料,根据化学式中各元素的化学计量比分别称量氧化铝、氧化钇和氧化铈陶瓷粉体配制成Ce:YAG陶瓷粉;
(2)将上述Ce:YAG陶瓷粉和 粘结剂、纯水充分混合后,做成3D打印用的Ce:YAG陶瓷浆料;所述的粘结剂为丙烯酸聚合物粘结剂,且Ce:YAG陶瓷粉与丙烯酸聚合物粘结剂、纯水的质量之比为1:3:7;
(3)将上述陶瓷浆料采用3D打印直写技术打印成帽型的Ce:YAG荧光陶瓷胚体;
(4)将打印好的Ce:YAG荧光陶瓷胚体放置在25℃中自然固化7 h,把固化好的陶瓷胚体依次进行干燥处理和排胶处理;所述干燥的具体步骤是:在35 ℃温度下保温48 h;再升温至65 ℃,保温48 h;所述排胶的具体步骤是:35 ℃下以1 ℃/min的速率升温至450℃,保温6 h,再以1 ℃/min升温到850 ℃,并保温6 h;
(5)制作红色釉料,并用该釉料 与粘结剂、纯水充分混合后,做成3D打印用的红色釉料浆料;所述红色釉料为C7703玫瑰红色釉料;所述粘结剂为丙烯酸聚合物粘结剂,且C7703玫瑰红色釉料与丙烯酸聚合物粘结剂、纯水的质量之比为1:3:7;
(6)将上述红色釉料浆料采用3D打印直写技术打印在Ce:YAG荧光陶瓷表面涂覆一层厚度为0.5mm的釉料后,在25℃下自然固化8 h,把固化好的红色釉上彩Ce:YAG荧光陶瓷胚体进行烘烤处理;所述烘烤的具体步骤是:在800 ℃温度下烘烤7 h后等其自然冷却。从而得到红色釉上彩Ce:YAG荧光陶瓷。
实施例3
(1)按照制备60g的(Y0.99Ce0.01)3Al5O12材料,根据化学式中各元素的化学计量比分别称量氧化铝、氧化钇和氧化铈陶瓷粉体配制成Ce:YAG陶瓷粉;
(2)将上述Ce:YAG陶瓷粉和粘结剂、纯水充分混合后,做成3D打印用的Ce:YAG陶瓷浆料;所述的粘结剂为丙烯酸聚合物粘结剂,且Ce:YAG陶瓷粉与丙烯酸聚合物粘结剂、纯水的质量之比为1:4:8;
(3)将上述陶瓷浆料采用3D打印直写技术打印成帽型的Ce:YAG荧光陶瓷胚体;
(4)将打印好的Ce:YAG荧光陶瓷胚体放置在30℃中自然固化8 h,把固化好的陶瓷胚体依次进行干燥处理和排胶处理;所述干燥的具体步骤是:在40 ℃温度下保温72 h;再升温至80 ℃,保温72 h;所述排胶的具体步骤是:40 ℃下以2 ℃/min的速率升温至500℃,保温8 h,再以2 ℃/min升温到900 ℃,并保温8 h;
(5)制作红色釉料,并用该釉料与粘结剂、纯水充分混合后,做成3D打印用的红色釉料浆料;所述红色釉料为C7306桔红色釉料;所述粘结剂为丙烯酸聚合物粘结剂,且C7306桔红色釉料与丙烯酸聚合物粘结剂、纯水的质量之比为1:4:8;
将上述红色釉料浆料采用3D打印直写技术打印在Ce:YAG荧光陶瓷表面涂覆一层厚度为0.5mm的釉料后,在30℃下自然固化9 h,把固化好的红色釉上彩Ce:YAG荧光陶瓷胚体进行烘烤处理;所述烘烤的具体步骤是:在900 ℃温度下烘烤8 h后等其自然冷却。从而得到红色釉上彩Ce:YAG荧光陶瓷。
Claims (7)
1.一种基于3D打印红色釉上彩Ce:YAG荧光陶瓷的制备方法,其特征在于:包括以下步骤:
步骤一:根据化学式(Y1-x Cex)3 Al5O12 ,x=0.001~ 0.01的化学计量比分别称量氧化铝、氧化钇和氧化铈陶瓷粉体配制成Ce:YAG陶瓷粉;
步骤二:将上述Ce:YAG陶瓷粉和粘结剂、纯水充分混合后,做成3D打印用的Ce:YAG陶瓷浆料;
步骤三:将上述陶瓷浆料采用3D打印直写技术打印成帽型的Ce:YAG荧光陶瓷胚体;
步骤四:将打印好的Ce:YAG荧光陶瓷胚体放置在20~30℃中自然固化6~8 h,把固化好的陶瓷胚体依次进行干燥处理和排胶处理,从而得到帽型的Ce:YAG荧光陶瓷;
步骤五:将红色釉料与粘结剂、纯水充分混合后,做成3D打印用的红色釉料浆料;
步骤六:将上述红色釉料浆料采用3D打印直写技术打印在Ce:YAG荧光陶瓷表面涂覆一层厚度为0.5mm的釉料后,在20~30℃下自然固化7~9 h,把固化好的红色釉上彩Ce:YAG荧光陶瓷胚体进行烘烤处理,从而得到红色釉上彩Ce:YAG荧光陶瓷。
2.根据权利要求1所述的制备方法,其特征在于:步骤一中,所述氧化铝、氧化钇、氧化铈的质量百分纯度为≥99.9%。
3.根据权利要求1所述的制备方法,其特征在于:步骤二中,所述的粘结剂为丙烯酸聚合物粘结剂,且Ce:YAG陶瓷粉与丙烯酸聚合物粘结剂、纯水的质量之比为1:(2~4):(6~8)。
4.根据权利要求1所述的制备方法,其特征在于:步骤三中,所述的帽型结构可以通过电脑进行建模后传输到3D打印机上。
5.根据权利要求1所述的制备方法,其特征在于:步骤四中,所述干燥处理的具体步骤是:在30~40 ℃温度下保温24~72 h;再升温至55~80 ℃,保温24~72 h;所述排胶处理的具体步骤是:30~40 ℃下以0.5~2 ℃/min的速率升温至400~500 ℃,保温4~8 h,再以0.5~2 ℃/min升温到800~900 ℃,并保温4~8 h。
6.根据权利要求1所述的制备方法,其特征在于:步骤五中,所述红色釉料为C7702、C7703、C7306红色釉料;所述粘结剂为丙烯酸聚合物粘结剂,且红色釉料与丙烯酸聚合物粘结剂、纯水的质量之比为1:(2~4):(6~8)。
7.根据权利要求1所述的制备方法,其特征在于:步骤六中,所述烘烤的具体步骤是:在700~900 ℃温度下烘烤6~8 h后等其自然冷却。
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