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A modern crucible used in the production of silicon ingots via the Czochralski process Smaller clay graphite crucibles for copper alloy melting. A crucible is a container in which metals or other substances may be melted or subjected to very high temperatures.
The crucible (typically made of copper) is surrounded by a water jacket to cool the melt and control the solidification rate. To prevent arcing between the electrode and the crucible walls, the diameter of the crucible is larger than the electrode. As a result, the electrode must be lowered as the melt consumes it.
The only production remains of metal are those of copper and include copper slag, prills, and amorphous copper lumps and small shallow ball-shaped clay crucibles with a socket. In the Early Bronze I site of the Ashkelon Marina, [ 11 ] in the southern part of the Israeli coast, small shallow open pits, probably for the melting of copper in a ...
1 - Melt 2 - water-cooled coil 3 - yokes 4 - crucible. An induction furnace consists of a nonconductive crucible holding the charge of metal to be melted, surrounded by a coil of copper wire. A powerful alternating current flows through the wire. The coil creates a rapidly reversing magnetic field that penetrates the metal.
Crucible Industries, commonly known as Crucible, is an American company which develops and manufactures specialty steels, and is the sole producer of a line of sintered steels known as Crucible Particle Metallurgy (CPM) steels.
Slag can be classified as furnace slag, tapping slag or crucible slag depending on the mechanism of production. The slag has three functions. The first is to protect the melt from contamination. The second is to accept unwanted liquid and solid impurities. Finally, slag can help to control the supply of refining media to the melt.
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