Changes

Silver-cadmium oxide materials with 10-15 wt% are produced by both, internal oxidation and powder metallurgical methods.

The manufacturing of strips and wires by internal oxidation starts with a molten alloy of silver and cadmium. During a heat treatment below it's melting point in an oxygen rich atmosphere of such a homogeneous alloy, the oxygen diffuses from the surface into the bulk of the material and oxidizes the Cd to CdO in a more or less fine particle precipitation inside the Ag matrix. The CdO particles are rather fine in the surface area and getting larger towards the center of the material (<xr id="fig:Micro structure of AgCdO9010"/>)<!--(Fig. 2.83)-->.