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Applications In The Field Of Nickel-Based Alloys

wallpapers News 2021-01-21
Nickel is a transition metal element with element symbol Ni, located in group VIII of the fourth period, with atomic number 28. Nickel is a silver-white metal with good mechanical strength and ductility. It is insoluble in water and has strong corrosion resistance to acids and alkalis, but it is easily soluble in dilute nitric acid and aqua regia. High temperature resistance, melting point 1455 °C, boiling point 2730 °C. The density is 8.902g/cm³. It can be used to make currency, etc. It can be plated on other metals to prevent rust.
 
Nickel-based alloy field
 
Nickel-based alloys refer to a class of alloys that have high strength and a certain degree of oxidation and corrosion resistance at a high temperature of 650 to 1000 ℃. According to the main properties, it can be subdivided into nickel-based heat-resistant alloys, nickel-based corrosion resistant alloys, nickel-based wear-resistant alloys, nickel-based precision alloys and nickel-based shape memory alloys. Nickel-based alloy products mainly include: electric furnaces, electric irons, turbine engine turbine discs, combustion chambers, turbine blades, color TV sets, communication equipment, clocks and pendulums in measuring tapes, manufacturing furniture, fine tools with permanent magnet performance, Auto-opening structural parts used in spacecraft, self-exciting fasteners used in the aerospace industry, and artificial heart motors used in biomedicine. It is widely used in aviation, shipbuilding, chemical industry, electronics, medicine and energy industries.
 
Electroplating field
 
Nickel plating refers to covering a layer of durable and corrosion-resistant coating on steel and other metal substrates, and its corrosion resistance is 20% to 25% higher than that of zinc coating. Nickel-plated items are beautiful, clean, and not easy to rust. The processing volume of electroplated nickel is second only to electroplated zinc, and its consumption accounts for about 10% of the total nickel output. Nickel plating is divided into electroplating nickel and electroless nickel plating.

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