Silver Cadmium Oxide Contact
SILCADOX / MODURIT
MODISON offers complete range of Silver Cadmium Oxide Contacts in diverse forms manufactured by Internal Oxidation as well as Powder Metallurgy to meet customer’s specific requirements. These contact materials have high resistance to contact welding and arc erosion with low contact resistance.
Produced by Internal Oxidation of silver and cadmium molten alloy from one side. Under high temperature & pressure, oxygen diffuses and oxidises the cadmium. CdO particles precipitate in silver matrix. CdO particles at the surface are very fine and the particle size increases gradually and is coarse grained towards the end. This material has excellent homogeneity without any depletion zone. CdO free backing of AgCd Alloy (10 to 30% of the thickness) is available which has 100% bond with AgCdO top layer by use of special Internal oxidation process. MODISON started production of this material under License from DODUCO GmbH, Germany with whom we had technical collaboration from 1983 till 1996.
This is produced by powder metallurgy, i.e. extrusion of sintered Silver Cadmium Oxide Billets to desired shapes and sizes. Silver backing (10 to 20% of thickness) is provided to facilitate Brazing / Welding.
Produced by Powder Metallurgy having large grain size of CdO (50-60u) for special applications. Large particle size Cadmium Oxide is produced by special process and mixed with silver, and sintered billet is extruded to desired shapes and sizes. Silver backing (10 to 20% of thickness) is provided to facilitate Brazing / Welding.