Influence of glass coating thickness and metallic core diameter on GMI effect of glass-coated Co68Fe4.5Si13.5B14 amorphous microwires

Zhang, Zhihao; Li, Beiyu; Cui, Weilong; Xie, Jianxin

doi:10.1016/j.jmmm.2011.02.001

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…The total diameter (D) of the glass-coated wires was around 35 µm, while the diameter (d) of the metallic core was 30 µm. The ratio of d/D was about 0.86, indicating a reasonable internal stress [28].…”

Section: Methodsmentioning

confidence: 87%

Optimizing the magnetic and giant magneto-impedance (GMI) properties of glass-coated amorphous Co-based wires via single- and two-step direct current annealing

Liu¹,

Liu²,

Xu³

et al. 2022

J. Phys. D: Appl. Phys.

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The effect of both single- and two-step direct current (DC) annealing procedures on the magnetic properties including giant magneto-impedance (GMI) of glass-coated Co66Fe6Si13B15 amorphous wires was evaluated. The GMI ratio initially increased with current intensity and reached a peak value before declining at higher current intensities for both methods. A maximum improvement of the GMI ratio by about 5 times was obtained for the two-step DC annealed sample, while that for single-step DC annealed samples was only 2.44 times. A higher GMI sensitivity is also observed for the two-step DC annealed wires. The better GMI performance for two-step DC annealed samples was attributed to the more homogeneously distributed precipitations in the matrix and ordered circumferential magnetic domains on the surface. The obtained result further implies that DC annealing with higher current intensity but shorter treatment time is a more efficient and energy-saving method to enhance the GMI performance for the Co-based amorphous wires with respect to potential industrial application.

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Section: Methodsmentioning

confidence: 87%

Optimizing the magnetic and giant magneto-impedance (GMI) properties of glass-coated amorphous Co-based wires via single- and two-step direct current annealing

Liu¹,

Liu²,

Xu³

et al. 2022

J. Phys. D: Appl. Phys.

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show abstract

“…García et al [26] discovered that in Co 59.2 Fe 4.8 Ni 11 B 14 Si 11 amorphous ibers, the GMI ratio increases irst and then decreases with the increase in ibers under high-frequency current of about 500 MHz, whereas the value of ratio decreases gradually under low-frequency current. Zhang et al [27] studied the inluence of diameter on GMI ratio. The results show that the GMI ratio irst increases and then decreases with the increase in diameter, and the coated glass also has efect on the GMI ratio.…”

Section: Magnetic Propertymentioning

confidence: 99%

Magnetic Fibers

Li¹,

Zhang²

2017

Magnetic Sensors - Development Trends and Applications

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The magnetic sensors based on soft magnetic efects of amorphous ibers are one of the highlights in scientiic research in recent years. The amorphous ibers not only have excellent mechanical properties but also have unique magnetic properties, such as high permeability. As a result, sensors made of this kind of material can show the characteristics of sensitivity and durability. The processing and their advantages and disadvantages are mainly introduced in the chapter, and the properties reported in recent years are also summed up, including mechanical behavior, magnetic properties and shape-memory efects.

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Tensile properties and fracture reliability of a glass-coated Co-based amorphous microwire

Wang

Shen

et al. 2014

Int J Miner Metall Mater

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Influence of glass coating thickness and metallic core diameter on GMI effect of glass-coated Co68Fe4.5Si13.5B14 amorphous microwires

Cited by 3 publications

References 13 publications

Optimizing the magnetic and giant magneto-impedance (GMI) properties of glass-coated amorphous Co-based wires via single- and two-step direct current annealing

Optimizing the magnetic and giant magneto-impedance (GMI) properties of glass-coated amorphous Co-based wires via single- and two-step direct current annealing

Magnetic Fibers

Tensile properties and fracture reliability of a glass-coated Co-based amorphous microwire

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