Wednesday, May 9, 2012

Some Knowledge of GoldPack Nickel Powder

Thin film coating (1-100nm) can be used as conductive powder or slurry of basic raw
materials such as conductive films. GoldPack nickel powder's resistivity can be as small as 10 * 10-5W.M, and powder volume resistivity can be adjusted. It can greatly improve conductivity and high temperature oxidation, reduction of contact resistance and prevent high-frequency breakdown.
GoldPack nickel powder

Nickel is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile. Pure nickel shows a significant chemical activity that can be observed when nickel is powdered to maximize the exposed surface area on which reactions can occur, but larger pieces of the metal are slow to react with air at ambient conditions due to the formation of a protective oxide surface. Even then, nickel is reactive enough with oxygen so that native nickel is rarely found on Earth's surface, being mostly confined to the interiors of larger nickel–iron meteorites that were protected from oxidation during their time in space. On Earth, such native nickel is always found in combination with iron, a reflection of those elements' origin as major end products of supernova nucleosynthesis. An iron–nickel mixture is thought to compose Earth's inner core.


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