Bronze Sculpting Ceramic Dips

High fire salt ceramic sculpture.

Bronze sculpting ceramic dips. You are required to use all of the following waxworking techniques to make your sculpture. 2 sprue attach wax gates vents pouring cup which act like plumbing to the work. The final piece will be chased the surface finished and patinated colored and sealed. Bronze is an alloy of 95 copper 4 silicon 02 tin 02 lead 06 zinc.

After the ceramic mold fully dries a large opening is cut into the base of the cone spout of the sprue system to expose the wax. Follow the investment chart on the wall in the slurry room for the schedule of dips. This makes his ceramic sculpture extremely resistant to weather damage. The shell bakes and the wax is melted lost from the shell.

Even in colorado where temperatures dip well below freezing and soar to above 100 degrees. To have the ceramic shell ready to pour in the bronze the wax pattern needs to be melted out. Once you get a wax model prepared usually cast from a mold taken of a clay sculpture you mount the wax model on a cup nowadays it s a run of the mill disposable paper cup. The sculpture will then be cast in bronze using the ceramic shell method.

Carving with hand tools. 4 burn out an autoclave and hot kiln melt. The wax sculpture is checked over and weighed then it is ready to be ceramic shell invested by dipping into a tank of ceramic slurry coating the wax fully in a ceramic refractory slip. 1 stucco dips 6 8.

Wax burn out bronze casting. Dip 3 12. Cast forms and or wax sheet. Patination composition varies with the reacted elements and these will determine the color of the patina.

What allows these ceramic sculptures to be place outdoors is the firing process. Create a flat bed to place your piece on. The ceramic shell is placed in a kiln and fired. 3 invest dip in a liquid ceramic slurry to build up numerous layers of a hard refractory mold.

Bronze casting is a complicated process. Sandy s ceramics are created using a high fire salt process. This is how it is done. Sift the stucco in the appropriate stucco bin so it is clean.

As a part of the original design and decoration of a bronze sculpture or to simulate antiquity in newly made objects. 1 create wax sculpture large sculptures are cast into numerous sections. Between each dip the ceramic layer must cure dry before another layer can be applied. Bronze casting ceramic shell dip.

Contemporary sculpture by ana duncan in bronze stainless steel and ceramic home page. They are used for color texture or both. The raw bronze sculpture is now hand polished in preparation for the patina.