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Abstract <p>The structure and properties of rapidly quenched Co<sub>69</sub>Fe<sub>4</sub>Cr<sub>4</sub>Si<sub>12</sub>B<sub>11</sub> alloy are studied in the temperature range from –196 to +50°C. It is shown that the plasticity of the alloy does not decrease with long-term exposure and cryocycling. It is established that in the range of operating temperatures from –90 to +50°C, the relative electrical resistance of the microwire <i>r</i> ~ <i>T</i>, the specific electrical resistance ρ = 1.13–1.14 Ωm mm<sup>2</sup>/m, the temperature coefficient of resistance α = –6.7 × 10<sup>–5</sup> 1/K.</p>

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Plasticity and Electrical Resistance of Rapidly Quenched Alloy Co69Fe4Cr4Si12B11 at Low Temperatures

  • 期刊论文

  • 发表日期：

    2026年8月4日

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  • P. P. Umnov,
  • T. R. Chueva,
  • N. V. Gamurar,
  • N. D. Bakhteeva,
  • E. V. Todorova,
  • M. E. Prutskov

摘要

Abstract

The structure and properties of rapidly quenched Co69Fe4Cr4Si12B11 alloy are studied in the temperature range from –196 to +50°C. It is shown that the plasticity of the alloy does not decrease with long-term exposure and cryocycling. It is established that in the range of operating temperatures from –90 to +50°C, the relative electrical resistance of the microwire r ~ T, the specific electrical resistance ρ = 1.13–1.14 Ωm mm2/m, the temperature coefficient of resistance α = –6.7 × 10–5 1/K.