Bronze: artist Aaron Hayden
Overview of methods: (very broad)
1. model and shape microcrystalline wax to ideal form of finished project
2. attach pour cups to the project
3. dip wax piece in alternating fixing agent and silicone sands
4. fire ceramic shell, removing wax from mould
5. heat and pour molten bronze into the shell
6. after cooling, break away ceramic shell, cut off pour cup
7. polish, patina, and display bronze piece
art by Aaron Hayden
      photos and page by Matthew Simpson, 2005 -2006
            studio: Central Missouri State University
three wax heads attached to the pour cup, ready to dip. The heads were left hollow to lessen the amount of bronze needed
Layers of the ceramic shell building up  on the pieces.
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These are some pictures of the finished piece. Wood, stainless steel, bronze, and plenty of time created a great mixed media piece. The hand crank is functional, it bobs the heads like pistons.
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This documentation has taken into account the materials and facilities required to prepare and pour   bronze castings.  Due to the hazards involved with this process, all work is to be done in a qualified   lab or similar art studio setting. Extra caution should be taken during ceramic shell formation, burn-  out, and pouring of molten bronze (forging). Respirators, fire suits, fire tongs, gloves, leather boots,  and eyeware are required in combinations.     
the burnout stage, removing the wax
hammering off the ceramic shell
some clean up to do...