Machine Design

Small-scale furnace for high-temperature alloys

Materials manufacturers and R&D labs sometimes need to make alloys in small batches.

Materials manufacturers and R&D labs sometimes need to make alloys in small batches. So Crucible Research, Pittsburgh (crucible.com), developed the Research Atomizer, a 1-lb tungsten arc-melting, refractory-free gas atomizer. It makes small lots (0.2 to 0.7 lb) of high-temperature alloys and atomizes them with argon, nitrogen, helium, or a mixture of these gases. The furnace's bottom-pour mechanics ensures there are no refractory inclusions and the resulting alloy is a highly pure, spherical powder.

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