Ulnderglazing Ceramics Tutorial

This video is a step by step guide to using underglazes to add an illustrative design to your ceramics.

Ulnderglazing ceramics tutorial. Maybe you ll get lucky and you can send each student home with a pound of clay but this won t be the case for everyone. Ceramic glaze chemistry is a very complex subject so complex it has its own section on ceramic arts daily see glaze chemistry. If you re interested in spraying glaze on pottery we have you covered. This can give the surface more visual depth and character.

Hb hardness is midway between 6h and 6b. Sgraffito is a decorative technique in which an artist scratches through a layer of glaze to reveal the clay body beneath. They re the fastest easiest and most dependable way for you to add pizzazz to your pottery or sculptures for just an accent or an entire surface treatment. Here we talk about ceramic glazing techniques as opposed to in depth discussion on glaze chemistry.

I ll show you how to create solid opaque images as w. It won t be very easy to truly emulate the happenings of a ceramics class without clay at home. Underglazes are basically clay based materials with ceramic stains and metallic oxides added to create a full spectrum of color in your work. Then using a tool like a loop tool carve through the glaze to the clay body below.

An underglaze is used in the pottery process to make designs on the finished product. Companies that produce ceramic pencils have a habit of coming and going. So what really are underglazes. Underglazes contain metal oxides that react with the transparent ceramic glaze on the potter s piece to form a range of colors.

To achieve this look first apply a layer of underglaze to a wet or leather hard vessel and let the glaze dry. Planning activities and lessons for 3 d classes like ceramics and sculpture might present an extra challenge. Although they are often used under clear glazes they can also be used under other generally light colored transparent glazes. Ceramic underglaze pencils to make marks that don t burn out in firings are made with combinations of refractory materials clays and colorants and are usually only commercially available in one level of hardness that would probably equate to the hb rating of a graphite pencil.