Study the factors that cause clay cracking in the case of a case study of decorative flower molding in ceramics. Champa Ceramic Factory Mueang District Lampang Province
This research was to study the factors affecting the cracking of clay texture. Case study of flower sculptures for decorating ceramic items in basket pattern Champa ceramic plant. It was found that the factors affecting the cracking are the hardness and moisture content of Clay. By the clay of factory used for forming. It has a hardness of 6.5 and low moisture. When the flowers were formed into baskets and formed, they fell apart. After adjusting the clay by adding water in the clay preparation process, to have a lower hardness of 4.5, it was rolled into strips and then added moisture to the clay by clumping with a damp cloth over it. With plastic and leave it for 1 night, then the form a basket and decorated with flower sculptures attached. Found that the work piece did not have cracks.
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