Preparation method of relief glaze

Abstract

The invention provides a preparation method of relief glaze and belongs to the technical field of preparation of ceramic crafts. The preparation method of the relief glaze disclosed by the invention comprises the following steps: (1) pulverizing 38-42% percentage by weight of potassium feldspar, 26-30% percentage by weight of marble, 10-15% percentage by weight of talc, 3-5% percentage by weight of kaolin, 6-10% percentage by weight of clay and 6-18% percentage by weight of calcium phosphate and sieving with a 260-mesh sieve; and (2) evenly stirring power of raw materials, pouring into a ball-milling container, adding equal weight of water into the raw materials at the ratio of 1:1, sealing the container by a cover and carrying out ball-milling for 50 hours. By applying a certain thickness of the relief glaze, which is prepared by the preparation method of the relief glaze disclosed by the invention, on a ceramic green body or a biscuit firing billet, cracks are generated due to the shrinkage cracking during the drying, the glaze is vitrified by virtue of glaze firing to enable the glaze to have an appropriate flowability by controlling the temperature, the surface tension of the glaze breaks at the crack and the glaze respectively aggregates into droplets and thus a naturally raised relief effect is generated.

Description

technical field [0001] The invention belongs to the technical field of ceramic handicraft production, and in particular relates to a preparation method of relief glaze. Background technique [0002] In order to form a relief with distinct concavities and convexities on the ceramic surface and have a three-dimensional beauty, the traditional method is to artificially form it on the ceramic green body by means of engraving, landfilling or transfer printing. However, the effect produced in this way is very unsatisfactory - the concave part has thick glaze, the unevenness is not obvious, the edges and corners are blurred, and the three-dimensional sense is lacking. Besides, the process is complicated and the cost is expensive. [0003] In the practice of ceramic production, due to improper operation of certain processes, glaze-fired products generally have partial or large-area shrinkage, which seriously affects product quality and economic benefits. However, it is this "bad ph...

AI Technical Summary

Problems solved by technology

But the effect produced in this way is very unsatisfactory-the glaze is thicker in the concave part, the unevenness is not obvious, the edges and corners are blurred, and the three-dimensional effect is lacking. Moreover, the process is complicated and the cost is expensive.

[0003] In the practice of ceramic production, due to improper operation of certain processes, it will generally lead to partial or large-area shrinkage of glazed products, which will seriously affect product quality and economic benefits.