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Lost-wax casting. Lost-wax casting – also called investment casting, precision casting, or cire perdue (French: [siʁ pɛʁdy]; borrowed from French) [1] – is the process by which a duplicate sculpture (often a metal, such as silver, gold, brass, or bronze) is cast from an original sculpture. Intricate works can be achieved by this method.
Investment casting is an industrial process based on lost-wax casting, one of the oldest known metal-forming techniques. [ 1 ] The term "lost-wax casting" can also refer to modern investment casting processes. Investment casting has been used in various forms for the last 5,000 years.
Full-mold casting is an evaporative-pattern casting process which is a combination of sand casting and lost-foam casting. It uses an expanded polystyrenefoam pattern which is then surrounded by sand, much like sand casting. The metal is then poured directly into the mold, which vaporizes the foam upon contact. Non-expendable mold casting.
Dhokra (also spelt Dokra) is non–ferrous metal casting using the lost-wax casting technique. This sort of metal casting has been used in India for over 4,000 years and is still used. One of the earliest known lost wax artefacts is the dancing girl of Mohenjo-daro. [ 1 ] The product of dhokra artisans are in great demand in domestic and ...
To create their gold pieces, the Muisca used a method called lost-wax casting. [1] The manufacturing process itself was likely part of the ritual associated with these tunjos. [39] The process began when the Muisca craftsperson created a wax model in the desired shape of the object, using beeswax harvested from the region. [40]
The lost wax process originated in ancient Mesopotamia. The earliest known record of lost-wax casting is a clay tablet written in cuneiform in the ancient city of Sparta, Babylon, which specifically records how much wax is needed to cast a key. [6] The earliest-known castings in the global archaeological record were made in open stone molds. [7]
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