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Dowels and rivets are physical ways in which ceramics can be reinforced and strengthen beneath the surface. Dowels are cylindrical rods that consist of wood, metal, or plastic. They are drilled into the ceramic piece and usually are set in the hole with an adhesive that is used to repair the ceramic piece.
Dick Lehman is an American ceramics artist based in Indiana. Dozens of articles and photos featuring his techniques and insights have appeared in periodicals and books on ceramic art since 1985, including 34 articles in U.S.-published Ceramics Monthly, the largest circulating magazine in the field, plus articles in 11 other international periodicals.
For ceramics, the print was made onto duplex paper, with a thin layer of tissue paper facing a thicker layer of paper. A weak varnish was painted on the ceramic surface, which could be slightly curved, then the duplex paper pressed onto the surface. The tissue paper was soaked off before firing.
This increases the unfired strength, giving an advantage to hand builders and sculptors. Careful firing is needed to avoid damage by the combustion of the paper. Penetrometer An instrument used to measure the hardness of a clay body. Various designs exist. Pinholes Faults in the surface of a ceramic body or glaze which resemble pin pricks ...
In ceramics, craquelure in ceramic glazes, where it is often a desired effect, is called "crackle"; it is a characteristic of Chinese Ge ware in particular. This is usually differentiated from crazing , which is a glaze defect in firing, or the result of aging or damage.
Sprigging or sprigged decoration is a technique for decorating pottery with low relief shapes made separately from the main body and applied to it before firing. Usually thin press moulded shapes are applied to greenware or bisque .
Vitreous enamel, also called porcelain enamel, is a material made by fusing powdered glass to a substrate by firing, usually between 750 and 850 °C (1,380 and 1,560 °F). The powder melts, flows, and then hardens to a smooth, durable vitreous coating.
Overglaze decoration, overglaze enamelling, or on-glaze decoration, is a method of decorating pottery, most often porcelain, where the coloured decoration is applied on top of the already fired and glazed surface, and then fixed in a second firing at a relatively low temperature, often in a muffle kiln. It is often described as producing ...
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