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Abstract <p>The phase composition and microstructure of samples obtained by hot pressing of β-FeSi<sub>2</sub> and Co powders have been studied using scanning electron microscopy. It is experimentally shown that during the thermal diffusion of Co into the volume of thermoelectric β-FeSi<sub>2</sub>, zones are formed within which the concentrations of all elements (Si, Co, Fe) change. The CoSi phase is also formed. The β-FeSi<sub>2</sub> phase retains mechanical strength.</p>

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Thermal Diffusion of Cobalt in Iron Disilicide

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • V. V. Klechkovskaya,
  • F. Yu. Solomkin,
  • M. S. Lukasov,
  • N. V. Sharenkova,
  • A. Yu. Samunin

摘要

Abstract

The phase composition and microstructure of samples obtained by hot pressing of β-FeSi2 and Co powders have been studied using scanning electron microscopy. It is experimentally shown that during the thermal diffusion of Co into the volume of thermoelectric β-FeSi2, zones are formed within which the concentrations of all elements (Si, Co, Fe) change. The CoSi phase is also formed. The β-FeSi2 phase retains mechanical strength.