RailwayAge Leaderboard 1/5/2017

Powder Metal Contacts

Available from Hoyt Corporation

At the Hoyt Corporation, we are a powder metal contacts supplier that manufactures high-density powder metallurgically produced refractory metal contact materials that set the industry standard for performance. We operate a fully equipped powder metallurgy department housing specialty powder processing and blending equipment, powder presses rated up to 35 tons, and hydrogen-based batch sintering furnaces. Machined-to-size contacts may also be refractory etched and heat cleaned to provide an attachable surface for brazing. With our technical strength in custom-engineered powder mixing, in-house press tool production, and high-temperature sintering, we can meet the most critical composition and dimensional specifications. By leveraging state-of-the-art monitoring and control technologies we can ensure hyper-accurate part weight, density, and structure to ensure conformance to customer specifications.

Hoyt also produces a wide variety of contact components using wrought semi-refractory contact materials such as silver cadmium oxide, silver tin oxide, and silver nickel, as well as, high nobel metal contacts of gold, silver palladium, fine silver and coin silver.

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