Abstract
The magnetoelastic investigation presented in this paper was carried out on ribbon ring samples made of Fe 41,5Co 41,5Cu 1Nb 3B 13 amorphous alloy annealed for 1 h in different temperatures ( Ta = 20 , 360, 380, 460 and 540 ∘ C ) in order to achieve different stages of nanocrystallization. During the magnetoelastic tests, nonmagnetic cylindrical backings were used in order to obtain uniform compressive stresses and enable sample to be wound. The changes of flux density B as a function of compressive stresses σ (for constant values of the magnetizing field H) for samples at different stages of nanocrystallization are presented. The results indicate, that both magnetic and magnetoelastic characteristics of Fe 41,5Co 41,5Cu 1Nb 3B 13 alloy are slightly dependent on annealing process.
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