Antique ceramic and preparation method thereof

Abstract

The invention relates to an antique ceramic. The blank is prepared from the following raw materials: 35-45 wt% of kaolin, 4-6 wt% of peat soil, 6-14 wt% of alkaline earth, 5-7 wt% of quartz, 25-33 wt% of bentonite, 1-3 wt% of diopside, 12-16 wt% of picrolite and 4-6 wt% of fired talcum. The preparation method of the antique ceramic is characterized by comprising the following steps: (1) weighing materials according to the formula, milling the material, balls and water in a ball mill in a mass ratio of 1:2:0.8, passing through a 200-mesh screen, and aging for 2 days; (2) injecting the blank slurry into a mold, demolding after 20 minutes, taking out the blank, drying, repairing and applying water; and (3) firing in a kiln at 900-1000 DEG C in an oxidizing atmosphere for 2-3 hours, converting into a reducing atmosphere, heating to 1150-1230 DEG C, keeping the temperature for 1-2 hours, and finally, naturally cooling to obtain the antique ceramic. The method can directly perform firing without glazing, and thus, is simple in preparation technique. The prepared antique ceramic has the advantages of low cost, natural color, abrasive surface and antique beauty.

Description

technical field [0001] The invention relates to the field of ceramic materials, more specifically, to an antique ceramic and a preparation method thereof. Background technique [0002] Antique porcelain is a craft phenomenon with distinctive characteristics of the times in ancient Chinese porcelain. It mainly sprouted in the Song Dynasty, formed in the Yuan Dynasty, matured in the Ming Dynasty, flourished in the early Qing Dynasty, and declined in the late Qing Dynasty. In short, it basically existed in the second half of the development of ancient Chinese porcelain, and played a great role in promoting the development of porcelain in this period, occupying an important position in ancient Chinese porcelain. Now, with the improvement of living standards, people's aesthetic concept is also fond of antique items, but most of the antique porcelain on the market is achieved by adding glaze and firing again, which is more complicated in technology. while also increasing costs. ...

AI Technical Summary

Problems solved by technology

Now, with the improvement of living standards, people's aesthetic concept is also fond of antique items, but most of the antique por