Ceramic Glazing Terms

The clay is completely dry.

Ceramic glazing terms.

In the production of pottery this is useful for the application of glaze to bisque ware in preparation for the glaze firing. Without the fired surfaces the ware would not be able to hold water or be safe for food. Hopefully you will benefit from annie s advice too. Casting a means of making multiples of the same form by pouring slip or pressing plastic clay into plaster or bisque molds.

Reduction firing with reduced oxygen in the kiln. The ability of porous materials to attract a liquid water into its air spaces. I know my glazing outcomes could be greatly improved if i followed just a couple of annie s pottery glazing tips. In kiln construction high temperature insulating materials such as firebrick ceramic fiber etc.

Glossary of ceramic terms 1. The many types and textures of glazes that mayco offers are almost endless from bright shiny reds to soft pastels metallic gold to satiny rich black. Plaster or wooden form used to enable the movement of ware without handling. If you re glazing the insides of your pot then pouring is the best option.

Glaze is also used on stoneware and porcelain. Glaze can serve to color decorate or waterproof an item. Bisque refers to pottery that has been fired once and remains unglazed. Glazing renders earthenware vessels suitable for holding liquids sealing the inherent porosity of unglazed biscuit earthenware.

In addition to their functionality glazes can form a variety of surface finishes including degrees of gl. The absorption rate of finished pieces after firing should be of concern to the consumer. Bone dry the condition of clay when all the water has evaporated. It also gives a tougher surface.

Glaze terms glazes are the protective coatings that make ceramics safe and useful. Pug mill a machine for mixing clay and recycling clay. Jennifer poellot harnetty editor. Brushwork is often a little more complex in that you have to be very neat in terms of not leaving brush marks on your work.

Rib a rubber metal or wooden tool used to facilitate wheel throwing of pottery forms. A refractory slab used to support ware during firing. Satin glaze a glaze with medium reflectance between matt and gloss. Denver colorado ceramic artist annie chrietzberg is the polar opposite of me in the glaze room.

Ceramic glaze is an impervious layer or coating of a vitreous substance which has been fused to a ceramic body through firing. Any materials highly resistant to the effects of heat. A parting and contraction of the glaze on the surface of ceramic ware during drying or firing resulting in unglazed areas bordered by coalesced glaze. Oftentimes caused by uneven glazing or three or more glaze coats.