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Effect of Surfaces of FeNbCuBSiP Ribbons

100%

Butvin P., Butvinová B., Kuzminski M., Ślawska-Waniewska A., Sitek J., Maťko I., Kadlečíková M.

Acta Physica Polonica A

2014

vol. 126

issue 1

152-153

Boron was partially substituted by phosphorus (3 at.%) in two Si-poor Fe-Nb-Cu-B-Si Finemets. Mostly non-significant changes were observed after vacuum annealing at 500°C, whereas equivalent Ar annealing resulted in significantly better soft-magnetic properties, which suffer from compressive surfaces stress. Possibly by hampering surface crystallization, the substitution eased the surfaces stress and reduced undesired off-axis anisotrophy at the cost of limiting the useful annealing temperature.

Accents in Modern High Saturation Nanocrystalline Fe-Rich Alloys

84%

Butvinová B., Butvin P., Maťko I., Janičkovič D., Kuzminski M., Ślawska-Waniewska A., Švec P., Chromčíková M.

Acta Physica Polonica A

2017

vol. 131

issue 4

711-713

Post processing limits for iron-rich Fe-Cu-Si-B-P high-induction rapidly-quenched ribbons have been tested. 530°C/20 min is already too much, formed borides being the essential culprit of magnetic properties deterioration. Unlike standard Si-poor Fe-Nb-Cu-B-Si Finemets, these alloys annealed even in "technical" Ar below the upper limit do not create significant squeezing surfaces.

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2 Acta Physica Polonica A

1 2017

1 2014

2 Butvin P.

2 Butvinová B.

2 Kuzminski M.

2 Maťko I.

2 Ślawska-Waniewska A.

1 Chromčíková M.

1 Janičkovič D.

1 Kadlečíková M.

1 Sitek J.

1 Švec P.

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Effect of Surfaces of FeNbCuBSiP Ribbons

Accents in Modern High Saturation Nanocrystalline Fe-Rich Alloys