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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.
Bronze is the most popular metal for cast metal sculptures; a cast bronze sculpture is often called simply "a bronze". It can be used for statues, singly or in groups, reliefs , and small statuettes and figurines , as well as bronze elements to be fitted to other objects such as furniture.
Casting is an ancient Chinese casting technique used to attach prefabricated handles and other small accessories to larger bronze objects. This technique has been in use as early as the Bronze Age, first in the South and then in the Shanghe region of the Central Plains.
Bronze is widely used for casting bronze sculptures. Common bronze alloys have the unusual and desirable property of expanding slightly just before they set, thus filling the finest details of a mould. Then, as the bronze cools, it shrinks a little, making it easier to separate from the mould. [30]
Their tradition holds that he taught the Benin metal workers the art of casting bronze using lost-wax techniques during the thirteenth century. [103] These Benin artisans refined that technique until they were able to cast plaques only an eighth-of-an-inch (3 mm) thick, surpassing the art as practiced by Renaissance masters in Europe. [92] [104]
Lost-wax casting of bronze was achieved in three different ways, each with its own desired effects. The first and earliest method was solid casting, which required a model of the sculpture to be fashioned in solid wax and then carved. The second method was hollow lost-wax casting, which was created by a
The process of casting in bronze and brass is known as cire perdue, and is the most primitive and most commonly employed through the centuries, having been described in by the monk Theophilus, and also by Benvenuto Cellini. Briefly, it is as follows: a core, roughly representing the size and form of the object to be produced, is made of pounded ...
Casting is most often used for making complex shapes that would be difficult or uneconomical to make by other methods. [1] Casting processes have been known for thousands of years, and have been widely used for sculpture (especially in bronze), jewelry in precious metals, and weapons and tools.