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Nickel

Nickel

Nickel is distinguished by its high resistance to corrosion; it is stable in air, water, alkalis and in a number of acids. Its chemical stability is due to its tendency to passivity—namely, the formation on its surface of a continuous oxide film that has a protective effect.

Nickel is an element in stainless steel, and forms the base of a majority of heat-resistant and fire-resistant alloys used in the air and space industry, power stations and electronics.

Pure metallic nickel is used as a construction material in reactors, for manufacturing parts that will be in direct contact with nuclear fuel, and in nuclear physical plants subject to short-term radiation effects. Nickel is widely used as a catalyst in organic synthesis and for preparing the chemical apparatus when producing alkalis.

Metallic nickel's resistance to corrosion and the effects of the atmosphere, its hardness and its shine make it a highly valuable material for coating other metals.

One important quality of certain nickel alloys is heat resistance combined with high thermal conductivity.

The following nickel and Ni alloys are made:

  • Nickel anodes, sheets, plates
  • Sheets and boats made from  Ni-Mo alloy
  • Sputtering targets and vaporizable cathodes made from nickel
  • Powders from pure nickel, stainless steels, heat-resistant alloys, Ni-Al and Ni-Ti intermetallics, composite materials, permalloys and catalysts

Nickel and nickel alloy products are made using powder metallurgy methods. Products made from unalloyed material are guaranteed to have a purity of at least 99.90% Ni with a minimal content of interstitial impurities.

Nickel anodes are used in electroplating to protect products from corrosion and to give them a decorative look.

Sputtering targets and evaporable cathodes made from nickel are used for vacuum spraying and depositing of thin films in electronics and electrical engineering.

Metallic powders from stainless steels and nickel alloys are produced by spraying an alloy using an inert gas and by using the restoration method. They are used in dozens of industries as protective coatings and in producing items for use in construction.