Influence of Heating Temperature on the ΔЕ-Effect of Amorphous Fe75Si10B15 Wires

Andrey Semenov; Evgeniy Golygin; Alexey Gavriliuk; Alexander Mokhovikov; Alexander Gafarov; Natalia Morozova

doi:10.4028/www.scientific.net/SSP.215.264

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HomeSolid State PhenomenaSolid State Phenomena Vol. 215Influence of Heating Temperature on the ΔЕ-Effect...

Influence of Heating Temperature on the ΔЕ-Effect of Amorphous Fe₇₅Si₁₀B₁₅ Wires

Abstract:

In the present work we have investigated the influence of the thermocycling on the magnetoelastic parameters (the ΔЕ-effect) of amorphous Fe₇₅Si₁₀B₁₅ wires, which had been pretreated by dc current j with simultaneous applying of the tensile stresses σ. It was figured out the ΔЕ-effect behavior depends strongly on pretreatment circumstances. Namely, we have got the maximum absolute value of the ΔЕ-effect shifted into direction of the higher magnetic field magnitude at j<39 MA/m² and σ<127 MPa. In addition, the negative ΔЕ-effect was not observed for samples, pretreated at j≥45MА/m² or σ≥128 MPa . The features of such a behavior of the ΔЕ-effect were explained in terms of the magnetoelastic coupling between the inner core and the outer shell of the amorphous wire.

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Periodical:

Solid State Phenomena (Volume 215)

Pages:

264-267

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.215.264

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Online since:

April 2014

Authors:

Andrey Semenov, Evgeniy Golygin, Alexey Gavriliuk, Alexander Mokhovikov*, Alexander Gafarov, Natalia Morozova

Keywords:

Amorphous Fe-Based Wires, Thermocycling, ΔE-Effect

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