Method of making silver-cadmium oxide-tin oxide type contact materials

摘要

A method of making silver-cadmium oxide-tin oxide type contact materials by oxidizing three-dimensional particles containing silver, cadmium, and tin and then consolidating the oxidized particles into bodies of the desired configuration. The resultant contact materials have a substantially uniform distribution of relatively coarse cadmium oxide particles, improved arc erosion properties, and little or no depleted or porous grain boundaries.