Influence of Joule heating on electrical resistivity in Co-rich amorphous microwires

Гудошников, С.А.; Odintsov, V. I.; Popova, A. V.; Menshov, S.A.; Liubimov, B.Ya.; Grebenshchikov, Yu. B.; Mashera, V.S.; Тарасов, В. П.

doi:10.1016/j.mseb.2021.115310

Cited by 3 publications

(1 citation statement)

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“…In addition, microwires are characterized by non-standard electrical properties. Recently, it was shown [20][21][22] that the electrical resistance of a microwire can change irreversibly upon Joule annealing to the temperature of their crystallization and that these changes can serve as an indicator of the microwire state. In their amorphous state, microwires also possess a high resistivity.…”

Section: Introductionmentioning

confidence: 99%

Application of Ferromagnetic Microwires as Temperature Sensors in Measurements of Thermal Conductivity

Churyukanova

Stepashkin

Sarakueva

et al. 2023

Metals

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A method for the determination of the thermal conductivity of polymer composite materials by using Co-based ferromagnetic microwires is proposed. Microwire segments were integrated into the samples of studied materials during their manufacture and used as current microheaters and resistance thermometers. As a representative material, we used a material based on nitrile butadiene rubber filled with hexagonal boron nitride after its low-temperature carbonization and a significant increase in thermal conductivity. The thermal conductivity values of composite samples determined during experiments varied from 1.0 W/(m·K) to 1.8 W/(m·K) depending on the percentage of boron nitride. The thermal conductivity values obtained are in good agreement with the estimates obtained by the standard laser flash method.

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Section: Introductionmentioning

confidence: 99%