Effect of Compositional Variation on the Permeability of Molybdenum Permalloy

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Abstract
Elemental pure powders can be used to produce magnetic alloys by blending and sintering. This approach was used to precisely define composition in a study of the effect of small composition changes on the permeability of Moly-Permalloys in the range of 4–6 wt % Mo, 78–82 wt % Ni, balance Fe. The alloys were sintered, hot and cold rolled to strip, and processed to rings in as identical a fashion as possible. The results show a uniform and consistent response to molybdenum content, nickel content, and cooling rate. Sharp peaks of permeability were not found. The results indicate that high permeability can be obtained for a wide range of compositions and cooling rate.

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