The platinum group metals include the elements Pt, Pd, Rh, Ru, Ir and Os. For electrical contacts, platinum and palladium have practical significance as base alloy materials and ruthenium and iridium are used as alloying components. Pt and Pd have similar corrosion resistance as gold but for the reason of their catalytical properties, they tend to polymerize adsorbed organic vapors on contact surfaces. During frictional movement between contact surfaces, the polymerized compounds known as “brown powder” are formed,...
Data Book of Electrical Contacts
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Powder-metallurgical manufacturing of composite materials (schematic)
T<sub>s</sub> = Melting point of the lower melting component
Pages: Contact Materials for Electrical Engineering, Kontaktwerkstoffe für die Elektrotechnik by Doduco Redaktion
Powder-metallurgical manufacturing of composite materials (schematic)
T<sub>s</sub> = Melting point of the lower melting component
Pages: Contact Materials for Electrical Engineering, Kontaktwerkstoffe für die Elektrotechnik by Doduco Redaktion |