DAMPING CAPACITY OF Fe-Cr AND Fe-Cr BASED HIGH DAMPING ALLOYS

W. Schneider; P. Schrey; G. Hausch; E. Török

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DAMPING CAPACITY OF Fe-Cr AND Fe-Cr BASED HIGH DAMPING ALLOYS

W. Schneider P. Schrey G. Hausch E. Török

Year: 1981 Journal: Springer Link (Chiba Institute of Technology) Publisher: Chiba Institute of Technology

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Abstract

The damping properties of Fe-Cr and Fe-Cr based alloys have been investigated by the cantilever method and the resonant bar method. The change in damping capacity is studied as a function of several parameters including temperature, magnetic field, cold work and heat treatment. The results are correlated with measurements of the coercive force. Binary Fe-Cr alloys with 12-14 % Cr exhibited damping capacities as high as 80 % when heat treated at 1200 °C while the alloy Fe-12Cr-3Al already exhibited damping capacities of the order of 40-60 % when heat treated at temperatures above 750 °C.

Keywords:

Damping capacity Magnetic damping Alloy Heat capacity Work (physics) Cantilever Coercivity Bar (unit) Thermoelastic damping

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Magnetic Properties and Applications

Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials

Shape Memory Alloy Transformations

Physical Sciences → Materials Science → Materials Chemistry

Magnetic Bearings and Levitation Dynamics

Physical Sciences → Engineering → Control and Systems Engineering

DAMPING CAPACITY OF Fe-Cr AND Fe-Cr BASED HIGH DAMPING ALLOYS

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