Effect of changing the ratios of adding colored oxides to porcelain glazes.

Document Type : Original Article

Authors

1 Helwan University,Applied Arts,Ceramic Department

2 helwan uniyersity - faculty of applied arts - ceramic department - cairo

3 Ceramic Department , Applied Arts , Helwan University

Abstract

Porcelain glazes are the most complex of the ceramic glazes; Because it requires a high degree of purity and transparency, it also consists of oxides with high melting points, and it requires certain melting oxides to lower the melting point of the porcelain glazes composition itself.. And however, throughout the ages and history, potters excelled in producing porcelain, and added aesthetic and arti to it, through color techniques and decoration methods applied to the porcelain body. They used colored oxides and added them through colors techniques to decorate them directly, and some of them used colored oxides with fire techniques to create aesthetic value in the surface of porcelain glazes, Color is a sense reflected in the eye as a result of the analysis of white light, a characteristic and effect produced from the retina that analyses tricolour of what you see, whether it's a dye or a light color, which is a factor in estimating objects and adding contrast to them and the formal aesthetic.

The choice of colors in the design of objects is important; Because colors not only show appearance but have other goals and meanings, colors cannot be chosen inappropriately because they affect negatively or positively according to their choice, and the design will not succeed if the inconsistent colors are selected

Color is one of the most important elements affecting the aesthetics of the ceramic shape, and the artist's multifaceted vision for eating color on the surfaces of ceramic shapes, because the colors add values to those shapes. Colors in ceramics are distinct from others in other fields by staying their bronze for many centuries In spite of the difficulties faced by the pottery artist while applying his color treatments to the surfaces of ceramic shapes, many modern potters have continued to practice many aesthetic variables and color features, Based on the concept of empirical thought, using all the color materials, tools, methods and techniques made available to them to transform the surface of the ceramic shape into a set of harmonies and color variations, with the aim of confirming their expressive charge.

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