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Copper powders are manufactured by water-atomising, air-atomising or by electrolysis to give irregular, spherical and dendritic morphologies respectively. The resulting powder might then be processed further in a ball mill to flatten it into flakes for use as a coating or pigment.
Nickel powders are mainly produced by atomisation, electrolytic and hydrometallurgical process
The basic process heats silica and coke in a submerged electric arc furnace to high temperatures. High temperatures are required to produce a reaction where the oxygen is removed, leaving behind silicon. This is known as a reduction process. In this process, metal carbides usually form first at the lower temperatures. As silicon is formed, it displaces the carbon. Refining processes are used to improve purity.
Silver powder is mainly manufactured by electrolytic process or atomisation process.
Tin Powder is manufactured from electrolytic and atomisation process.
Cobalt powders are produced mainly by hydrometallurgical process which incorporates three processing stages chemical dissolution(leaching), solution purification and metal recovery which is also called as autoclave processing.
Tungsten carbide is manufactured by direct carburization of tungsten with carbon, or Tungsten is converted back to the ammonium para-tungstate (APT) form, an early point in the tungsten carbide manufacturing process.
Fused tungsten carbide which has a particularly high degree of hardness and wear resistance. For this reason, it is primarily used in advanced wear protection and tooling technology.