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Abstract <p>Hydrogenation regimes for brittle samples of the La(Fe, Si)<sub>13</sub> system, which have a phase transition temperature near room temperature and enable the required compressive strength values to be achieved for successful application in multi-stimulus magnetic refrigeration cycles, were tested. Direct measurements of the magnetocaloric effect and stress-strain relationships for cast and hydrogenated LaFe<sub>11.6–<i>x</i></sub>Si<sub>1.4</sub> (<i>x</i> = 0–3) alloys were used to determine the optimal content of the reinforcing phase of the iron-silicon substitution solid solution in the BCC lattice.</p>

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Development of Methods for Non-Destructive Hydrogenation of LaFe13–xSix Compounds

  • 期刊论文

  • 发表日期：

    2026年5月18日

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  • D. Yu. Karpenkov,
  • R. A. Makarin,
  • A. Yu. Karpenkov,
  • A. V. Korotitskiy,
  • T. A. Sviridova,
  • M. V. Zheleznyi

摘要

Abstract

Hydrogenation regimes for brittle samples of the La(Fe, Si)13 system, which have a phase transition temperature near room temperature and enable the required compressive strength values to be achieved for successful application in multi-stimulus magnetic refrigeration cycles, were tested. Direct measurements of the magnetocaloric effect and stress-strain relationships for cast and hydrogenated LaFe11.6–xSi1.4 (x = 0–3) alloys were used to determine the optimal content of the reinforcing phase of the iron-silicon substitution solid solution in the BCC lattice.