Ultrasonic relaxation effects in the Fe-Ni Invar-type alloys
- 1 November 1969
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 2 (11), 2107-2113
- https://doi.org/10.1088/0022-3719/2/11/324
Abstract
Measurements on the ultrasonic attenuation and velocity are presented for several Invar-type iron-nickel alloys in the temperature range 15-77°K. The results are interpreted in terms of the presence of a relaxation mechanism within the alloys, and a simple relation is derived between the attenuation and the rate of change of the elastic modulus with temperature.Keywords
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