CN110563446A - 一种无孔隙象牙白瓷塑及其制备方法 - Google Patents
一种无孔隙象牙白瓷塑及其制备方法 Download PDFInfo
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Abstract
本发明提供一种无孔隙象牙白瓷塑及其制备方法,包括以下百分比材料:高岭土31%‑49%、瓷粉12%‑18%、石英6%‑10%、石灰石3%‑6%、粘土9.5%‑14%、长石5%‑9%、氧化钙3.5%‑7%、氧化镁1.5%‑5%、二氧化硅4.5%‑9%、三氧化二铝2%‑7%、三氧化二铁1%‑3%,有益效果:本发明采用高岭土、石英、长土、粘土、瓷粉作为坯体用料,各原料充分的混合,瓷塑体中间实心无孔隙,通过提升烧成瓷塑制品的致密度,进而提升其硬度、耐磨性与抗水性,通体瓷化烧透,表面无裂纹、斑点、毛孔,表面光滑亮洁,具有很高的收藏价值和经济价值。
Description
技术领域
本发明是一种无孔隙象牙白瓷塑及其制备方法,属于瓷塑加工领域。
背景技术
目前,瓷塑风格独特,在瓷器产品中最为成功,明代末期以后,开始大量生产各类观音像、佛道人物塑像以及非宗教人物像,远销海外各地。而瓷胎中最厚的当属实心堆塑,进窑一接触高温立即“厚则绽裂”,历史上曾有“十窑九败”的说法,这是因为胎体太厚,接触高温时收缩速度不一造成的,温度由外入内,外层受热快,温度比较高,收缩快,内里受热稍慢,温度比较低,收缩稍慢。因而,现有的瓷塑作品都是空心结构的,内里透空,然而瓷塑不同部位的内壁和外壁之间的厚度各一,其力学性质较低,容易破碎,所以现在需要一种无孔隙象牙白瓷塑及其制备方法。
发明内容
针对现有技术存在的不足,本发明目的是提供一种无孔隙象牙白瓷塑及其制备方法,以解决上述背景技术中提出的问题,本发明设计新颖,能够节省大量生产时间,方便快捷,节约成本。
为了实现上述目的,本发明是通过如下的技术方案来实现:本发明是一种无孔隙象牙白瓷塑,包括以下百分比材料:
高岭土31%-49%、瓷粉12%-18%、石英6%-10%、石灰石3%-6%、粘土9.5%-14%、长石5%-9%、氧化钙3.5%-7%、氧化镁1.5%-5%、二氧化硅4.5%-9%、三氧化二铝2%-7%、三氧化二铁1%-3%。
另一种作为本发明的一种实施方式,提供了一种无孔隙象牙白瓷塑的制备方法,该无孔隙象牙白瓷塑的制备方法包括以下步骤:
步骤1:备料,将瓷粉、石英及长石经过破碎、分选、酸洗处理,去除杂质,得到提纯后的原料;
步骤2:称重,将原料按比重进行配料,按照重量分别称取各原料,备用;
步骤3:原形堆塑,将坯体原料混合加水后进行球磨处理,球磨后除掉磁性铁得到坯体泥料,利用已制备好的瓷泥手工堆塑形成目标造型坯体;
步骤4:打磨修坯,对已干燥坯体进行打磨修整平整;
步骤5:烘干处理:将堆塑好的造型坯体在20天~30天内经三步干燥,干燥过程全程密封,在1天~8天,温度在50-60℃;在9天~12天,坯体在微波干燥温度在90-100℃,在13天~30天,坯体在氧化气氛下使干燥温度在40-45℃,然后冷却至室温;
步骤6:素烧,将坯体置于窑炉中素烧,温度经24小时缓缓升至800-900℃素烧6-7个小时;
步骤7:施釉,将釉水均匀施于步骤6得到的坯体表面上,晾干;
步骤8:入窑烧制,将步骤6施好釉的造型坯体放入封闭电窑炉中,从室温经八个不同升温速率的温控阶段上升至1310-1330℃后保温4-5h,出窑炉冷却至室温,完成无孔隙象牙白瓷塑的生产。
另一种作为本发明的一种实施方式,步骤8中的八个温控阶段主要包括以下步骤:
步骤8a:在9±0.1小时内从室温加热至400±10℃;
步骤8b:继上述步骤7a在6±0.1小时内加热至800±10℃;
步骤8c:继上述步骤7b在2±0.1小时内加热至1000±10℃;
步骤8d:继上述步骤7c在1±0.1小时内加热至1080±10℃;
步骤8e:继上述步骤7d在2±0.1小时内加热至1200±10℃;
步骤8f:继上述步骤7e在6±0.1小时内加热至1280±10℃;
步骤8g:继上述步骤7f在5±0.1小时内加热至1330±10℃;
步骤8h:将温度控制在1310-1330℃后保温4-5h。
另一种作为本发明的一种实施方式,步骤1中的长石加工中,提纯前的长石,白度为50-60%,提纯后长石,白度为90%以上。
另一种作为本发明的一种实施方式,步骤2中球磨处理的转速1500r/min,球磨的加工时间2-4h,且以氧化铝球为球磨介质。
另一种作为本发明的一种实施方式,步骤5中的烘干处理是由热风机及加热电阻丝共同配合完成。
另一种作为本发明的一种实施方式,步骤7中施釉后坯体表面的釉层厚度为0.5-1.2mm。
另一种作为本发明的一种实施方式,步骤8中电窑炉内部宽松,烧制时相邻两坯体之间间隔5cm~10cm。
本发明的有益效果:
1.本发明通过分步烘干得到方法,逐步控制造型坯体的失水速率,保证了造型坯体表里失水均匀一致,有效防止干燥过程造型坯体开裂;
2.由于入窑烧制采用电烧且经历8个温控阶段,温控精准,造型坯体的表里温度逐步升温,使得烧制成的实心瓷塑成品力学性质较强,不易破碎,通体瓷化烧透,表面无裂纹、斑点、毛孔,表面光滑亮洁,具有很高的收藏价值和经济价值;
3.本发明采用高岭土、石英、长土、粘土、瓷粉作为坯体用料,各原料充分的混合,提升烧成瓷塑制品的致密度,进而提升其硬度、耐磨性与抗水性。
附图说明
图1是实施例的工艺流程图。
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解。
实施例1:这种无孔隙象牙白瓷塑,包括以下百分比材料:
高岭土31%-49%、瓷粉12%-18%、石英6%-10%、石灰石3%-6%、粘土9.5%-14%、长石5%-9%、氧化钙3.5%-7%、氧化镁1.5%-5%、二氧化硅4.5%-9%、三氧化二铝2%-7%、三氧化二铁1%-3%。
为了更清楚的理解本发明的上述技术方案,以下通过具体实例对本发明的上述方案进行详细说明。
实施例2:一种无孔隙象牙白瓷塑,包括以下百分比材料:
高岭土32%、瓷粉15%、石英7%、石灰石4%、粘土10%、长石7%、氧化钙8%、氧化镁3%、二氧化硅8%、三氧化二铝6%、三氧化二铁3%。
实施例3:一种无孔隙象牙白瓷塑,包括以下百分比材料:
高岭土49%、瓷粉12%、石英6.5%、石灰石3%、粘土9.5%、长石5%、氧化钙3.5%、氧化镁2%、二氧化硅4.5%、三氧化二铝3%、三氧化二铁2%。
实施例4:一种无孔隙象牙白瓷塑,包括以下百分比材料:
高岭土40%、瓷粉13%、石英8%、石灰石5%、粘土11%、长石6%、氧化钙4%、氧化镁2.5%、二氧化硅5.5%、三氧化二铝4%、三氧化二铁1%。
如图1所示,根据本发明实施例,还提供了一种无孔隙象牙白瓷塑的制备方法,包括以下步骤:
步骤1:备料,将瓷粉、石英及长石经过破碎、分选、酸洗处理,去除杂质,得到提纯后的原料;
步骤2:称重,将原料按比重进行配料,按照重量分别称取各原料,备用;
步骤3:原形堆塑,将坯体原料混合加水后进行球磨处理,球磨后除掉磁性铁得到坯体泥料,利用已制备好的瓷泥手工堆塑形成目标造型坯体;
步骤4:打磨修坯,对已干燥坯体进行打磨修整平整;
步骤5:烘干处理:将堆塑好的造型坯体在20天~30天内经三步干燥,干燥过程全程密封,在1天~8天,温度在50-60℃;在9天~12天,坯体在微波干燥温度在90-100℃,在13天~30天,坯体在氧化气氛下使干燥温度在40-45℃,然后冷却至室温;
步骤6:素烧,将坯体置于窑炉中素烧,温度经24小时缓缓升至800-900℃素烧6-7个小时;
步骤7:施釉,将釉水均匀施于步骤6得到的坯体表面上,晾干;
步骤8:入窑烧制,将步骤6施好釉的造型坯体放入封闭电窑炉中,从室温经八个不同升温速率的温控阶段上升至1310-1330℃后保温4-5h,出窑炉冷却至室温,完成无孔隙象牙白瓷塑的生产。
综上所述,借助于本发明的上述技术方案,通过分步烘干得到方法,逐步控制造型坯体的失水速率,保证了造型坯体表里失水均匀一致,有效防止干燥过程造型坯体开裂;由于入窑烧制采用电烧且经历8个温控阶段,温控精准,造型坯体的表里温度逐步升温,使得烧制成的实心瓷塑成品力学性质较强,不易破碎,通体瓷化烧透,表面无裂纹、斑点、毛孔,表面光滑亮洁,具有很高的收藏价值和经济价值;本发明采用高岭土、石英、长土、粘土、瓷粉作为坯体用料,各原料充分的混合,提升烧成瓷塑制品的致密度,进而提升其硬度、耐磨性与抗水性。
同时,步骤8中的八个温控阶段主要包括以下步骤:
步骤8a:在9±0.1小时内从室温加热至400±10℃;
步骤8b:继上述步骤7a在6±0.1小时内加热至800±10℃;
步骤8c:继上述步骤7b在2±0.1小时内加热至1000±10℃;
步骤8d:继上述步骤7c在1±0.1小时内加热至1080±10℃;
步骤8e:继上述步骤7d在2±0.1小时内加热至1200±10℃;
步骤8f:继上述步骤7e在6±0.1小时内加热至1280±10℃;
步骤8g:继上述步骤7f在5±0.1小时内加热至1330±10℃;
步骤8h:将温度控制在1310-1330℃后保温4-5h。
同时:步骤2中球磨处理的转速1500r/min,球磨的加工时间2-4h,且以氧化铝球为球磨介质。
同时:步骤5中的烘干处理是由热风机及加热电阻丝共同配合完成。
同时:步骤7中施釉后坯体表面的釉层厚度为0.5-1.2mm。
同时:步骤8中电窑炉内部宽松,烧制时相邻两坯体之间间隔5cm~10cm。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点,对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
Claims (8)
1.一种无孔隙象牙白瓷塑,其特征在于,包括以下百分比材料:
高岭土31%-49%、瓷粉12%-18%、石英6%-10%、石灰石3%-6%、粘土9.5%-14%、长石5%-9%、氧化钙3.5%-7%、氧化镁1.5%-5%、二氧化硅4.5%-9%、三氧化二铝2%-7%、三氧化二铁1%-3%。
2.根据权利要求1所述的一种象牙白实心瓷塑,用于权利要求1所述的一种无孔隙象牙白瓷塑的制备方法,包括以下步骤:
步骤1:备料,将瓷粉、石英及长石经过破碎、分选、酸洗处理,去除杂质,得到提纯后的原料;
步骤2:称重,将原料按比重进行配料,按照重量分别称取各原料,备用;
步骤3:原形堆塑,将坯体原料混合加水后进行球磨处理,球磨后除掉磁性铁得到坯体泥料,利用已制备好的瓷泥手工堆塑形成目标造型坯体;
步骤4:打磨修坯,对已干燥坯体进行打磨修整平整;
步骤5:烘干处理:将堆塑好的造型坯体在20天~30天内经三步干燥,干燥过程全程密封,在1天~8天,温度在50-60℃;在9天~12天,坯体在微波干燥温度在90-100℃,在13天~30天,坯体在氧化气氛下使干燥温度在40-45℃,然后冷却至室温;
步骤6:素烧,将坯体置于窑炉中素烧,温度经24小时缓缓升至800-900℃素烧6-7个小时;
步骤7:施釉,将釉水均匀施于步骤6得到的坯体表面上,晾干;
步骤8:入窑烧制,将步骤6施好釉的造型坯体放入封闭电窑炉中,从室温经八个不同升温速率的温控阶段上升至1310-1330℃后保温4-5h,出窑炉冷却至室温,完成无孔隙象牙白瓷塑的生产。
3.根据权利要求2所述的一种无孔隙象牙白瓷塑的制备方法,其特征在于,步骤8中的八个温控阶段主要包括以下步骤:
步骤8a:在9±0.1小时内从室温加热至400±10℃;
步骤8b:继上述步骤7a在6±0.1小时内加热至800±10℃;
步骤8c:继上述步骤7b在2±0.1小时内加热至1000±10℃;
步骤8d:继上述步骤7c在1±0.1小时内加热至1080±10℃;
步骤8e:继上述步骤7d在2±0.1小时内加热至1200±10℃;
步骤8f:继上述步骤7e在6±0.1小时内加热至1280±10℃;
步骤8g:继上述步骤7f在5±0.1小时内加热至1330±10℃;
步骤8h:将温度控制在1310-1330℃后保温4-5h。
4.根据权利要求2所述的一种无孔隙象牙白瓷塑的制备方法,其特征在于:步骤1中的长石加工中,提纯前的长石,白度为50-60%,提纯后长石,白度为90%以上。
5.根据权利要求2所述的一种无孔隙象牙白瓷塑的制备方法,其特征在于:步骤2中球磨处理的转速为1500r/min,球磨的加工时间2-4h,且以氧化铝球为球磨介质。
6.根据权利要求2所述的一种无孔隙象牙白瓷塑的制备方法,其特征在于:步骤5中的烘干处理是由热风机及加热电阻丝共同配合完成。
7.根据权利要求2所述的一种无孔隙象牙白瓷塑的制备方法,其特征在于:步骤7中施釉后坯体表面的釉层厚度为0.5-1.2mm。
8.根据权利要求2所述的一种无孔隙象牙白瓷塑的制备方法,其特征在于:步骤8中电窑炉内部宽松,烧制时相邻两坯体之间间隔5cm~10cm。
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