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Piezomagnetic Dependences on Magnetic Bias Field of Annealed at 450°C Fe-Cu-Nb-Si-B Alloy

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Kaczkowski Z., Milewska E., Duhaj P., Vlasák G.

Acta Physica Polonica A

1997

vol. 91

issue 2

487-490

Magnetic field dependences of the piezomagnetic dynamics, magnetomechanical coupling and elasticity moduli in the Fe_{73.5}Cu_{1}Nb_{3} Si_{13.5}B_{9} alloy in an as-quenched state and annealed in vacuum for 1 h at 450°C were investigated. The maximum value of the magnetomechanical coupling coefficient was equal to 0.15 for the as-quenched state and 0.7 after annealing at 450°C. The changes of the elasticity moduli (ΔE effect) from about 60 to 180 GPa were observed after annealing at this temperature. These changes are connected with magnetostriction (equal to 25.8×10^{-6} at saturation), internal stresses, defects, mechanical, magnetic and heat treatment history.

Effect of Nanocrystallization Process on the Magnetomechanical Coupling in Fe-Si-B-Cu-Nb Alloy

100%

Kaczkowski Z., Małkiński L., Kuźmiński M., Müller M.

Acta Physica Polonica A

1994

vol. 85

issue 1

201-204

Magnetic and magnetoelastic properties of the Fe_{73.5}Si_{16.5}B_{6}Cu_{1}Nb_{3} alloy change considerably during nanocrystallization process. Improvement of magnetic properties is accompanied by the decrease in piezomagnetic parameters such as magnetomechanical coupling and ΔE-effect.

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2 Acta Physica Polonica A

1 1997

1 1994

2 Kaczkowski Z.

1 Duhaj P.

1 Kuźmiński M.

1 Małkiński L.

1 Milewska E.

1 Müller M.

1 Vlasák G.

Search results

Piezomagnetic Dependences on Magnetic Bias Field of Annealed at 450°C Fe-Cu-Nb-Si-B Alloy

Effect of Nanocrystallization Process on the Magnetomechanical Coupling in Fe-Si-B-Cu-Nb Alloy