Ceramic Glazing Terms

Glazing renders earthenware vessels suitable for holding liquids sealing the inherent porosity of unglazed biscuit earthenware.

Ceramic glazing terms.

I know my glazing outcomes could be greatly improved if i followed just a couple of annie s pottery glazing tips. Glossary of ceramic terms 1. Denver colorado ceramic artist annie chrietzberg is the polar opposite of me in the glaze room. Without the fired surfaces the ware would not be able to hold water or be safe for food.

In the production of pottery this is useful for the application of glaze to bisque ware in preparation for the glaze firing. If you re glazing the insides of your pot then pouring is the best option. Any materials highly resistant to the effects of heat. Satin glaze a glaze with medium reflectance between matt and gloss.

In addition to their functionality glazes can form a variety of surface finishes including degrees of gl. Glaze can serve to color decorate or waterproof an item. The clay is completely dry. In clay and glaze chemistry the neutrals or stabilizers that are resistant to melting and that combine with the fluxes bases and glass formers acids.

Bone dry the condition of clay when all the water has evaporated. Pug mill a machine for mixing clay and recycling clay. Reduction firing with reduced oxygen in the kiln. A glaze fault characterised by the cracking of fired glazes and due to high tensile stresses.

Oftentimes caused by uneven glazing or three or more glaze coats. For first time glazing dipping can be the easiest and most effective way as it tends to be the smoothest way of glazing. Bisque refers to pottery that has been fired once and remains unglazed. A refractory slab used to support ware during firing.

Glaze terms glazes are the protective coatings that make ceramics safe and useful. The ability of porous materials to attract a liquid water into its air spaces. Plaster or wooden form used to enable the movement of ware without handling. In kiln construction high temperature insulating materials such as firebrick ceramic fiber etc.

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. It also gives a tougher surface. 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.

Jennifer poellot harnetty editor. The absorption rate of finished pieces after firing should be of concern to the consumer. 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. Rib a rubber metal or wooden tool used to facilitate wheel throwing of pottery forms.