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Nickel is a transition metal in the iron-cobalt group. It is a silvery white, lustrous metal, and is a very hard and ductile metal. It is used in a variety of products, including tools, alloys, and stainless steel.
The melting point of nickel is 1453 degrees Celsius. This is the temperature at which disruptive vibrations of solid particles overcome the attractive forces. Typically, the melting point is associated with the standard atmospheric pressure.
One of the most important industrial applications of nickel is the production of alloys. In particular, stainless steel is a key material. Because nickel is malleable, it offers the benefits of both high strength and high corrosion resistance. Stainless steel is a critical component in the petrochemical industry. Also, nickel is a very good conductor of electricity.
A thermodynamic model can be used to simulate the melting properties of nickel. However, it cannot tell us the exact mechanism by which it melts. Therefore, it is important to investigate the melting process in detail.
For instance, two-phase coexistence simulations have been used to reproduce the zero-pressure melting point of NiAl. By measuring the absorption spectrum, the phase transition as a function of temperature can be determined. Using this technique, the authors were able to show that the onset of melting was characterized by the evolution of X-ray absorption in the edge structure region. Their results were confirmed by ex situ analysis.
Molecular dynamic models are also used to predict the melting point of nickel. They are effective in modeling the changes in the melting point of nickel due to size, and compared to existing thermodynamic predictions.
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