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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Direction dependence of the spring bending limit of selected copper materials (Wieland)
Pages: Application Properties for the Selection of Copper Alloys, Kenngrößen zur Bewertung der Eigenschaften von Kupfer-Legierungen by Doduco Redaktion
Typical examples of hot tinned strip materials
Pages: Surface Coating Technologies, Beschichtungsverfahren by Doduco Redaktion |