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cire perdue |
Also found in: Encyclopedia, Wikipedia | 0.06 sec. |
cire perdueBronze-casting method. A model is made of wax and enclosed in an envelope of clay and plaster, with a small hole in the bottom. When heat is applied, the wax melts and runs away through the hole, and the clay and plaster becomes a hard mould. Molten bronze is poured in and allowed to cool; then the clay envelope is cut away. The result is a bronze cast that exactly reproduces the original and is formed in a single piece. The bronze will be hollow if the original wax model was made around a core of burnt clay. The earliest examples of the technique date from around 3000 BC, found both in Ancient Egypt and Ur. |
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Casters on Igun Street make these objects through an assembly-line version of lost-wax casting (see below) that simply reuses the same inner mold until the job is complete (Figs. It's said to be excellent for use as a core in lost-wax casting, since it has low ash content and leaves no residue in the cavity. The truck was created using the lost-wax casting method. |
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Lost-wax casting
