A kind of sky blue glaze and preparation method thereof

Abstract

The invention relates to a celeste blue glaze. The celeste blue glaze comprises, by weight, 2-3 parts of dolomite, 0.4-0.7 parts of tanzanite, 0.6-0.9 parts of asbolite, 0.3-0.5 parts of chalcedony, 1-2 parts of talcum, 89-93 parts of feldspar glaze, wherein the asbolite comprises, by weight, 21-26 parts of quartz, 2.3-2.7 parts of copper oxide, 1.5-1.9 parts of barium carbonate, 28-32 parts of manganese oxide, 1.6-2.1 parts of magnesium oxide, 30-35 parts of alumina, 3.2-3.4 parts of sodium carbonate, 4.5-6.8 parts of iron oxide and 6.5-9.2 parts of cobaltosic oxide. The celeste blue glaze obtained in the invention has bright and smooth glaze color, greatly maintains ancient celeste blue glaze, and can be massively applied in daily use porcelain products.

Description

technical field [0001] The invention relates to the technical field of ceramic glazes, in particular to a sky blue glaze and a preparation method thereof. Background technique [0002] Tianqing glaze is a treasure in the traditional porcelain making process of the Han nationality. The name of the glaze color of porcelain, also known as Yuguotianqing, is a faint and meaningful high-temperature blue glaze. It is as blue as the sky and as bright as a mirror as described in ancient Chinese pottery books. It is the description of this glaze color characteristic. The name of Tianqing glaze comes from the comment of Chai Shizong in the later Zhou Dynasty of the Five Dynasties: "After the rain, the sky is clear and the clouds are broken, and this color is the future." According to Zhou Shizong's request, the porcelain should be fired into the color of the blue sky after the rain, so the azure glaze was originally the glaze color of the firewood kiln. But so far, no firewood kiln s...

AI Technical Summary

Problems solved by technology

At present, many experts are studying and trying to restore the formula of azure glaze, but the technique is still immature