RailwayAge Leaderboard 1/5/2017

Contact Assemblies

Available from Hoyt Corporation

With almost a century of industry experience, at Hoyt Corporation, manufacturing electrical contact assemblies is our primary strength. We produce finished contact assemblies made chiefly from high-density refractory metal compositions of silver or copper blended with tungsten or molybdenum, as well as, materials in silver nickel and silver graphite.

Our semi-refractory alloys include silver cadmium oxide or silver tin oxide for high arcing applications and can be produced via powder metallurgy, internal oxidation or single side directionally oxidized processes. For low voltage, dry circuit applications, compositions of gold alloys, pure silver alloys and palladium materials are also available.

Our principal manufacturing process for high-density materials is the preferred press/sinter/infiltrate method, as well as, applications utilizing the press/sinter/re-press method of production. Our semi-refractory and noble metals are produced via wrought processes, with fine silver or un-oxidized layers for attachment.

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