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Abstract <p>A method for the synthesis of G-phases (~90&#xa0;vol % content) at low temperatures and short duration of heat treatment is proposed. Ti<sub>6</sub>Co<sub>16</sub>Si<sub>7</sub>, Ti<sub>6</sub>Ni<sub>16</sub>Si<sub>7</sub>, Ti<sub>6</sub>Al<sub>16</sub>Fe<sub>7</sub> and Ti<sub>6</sub>Al<sub>16</sub>Co<sub>7</sub> G-phases were synthesized by mechanical alloying of pure constituent elements and subsequent heat treatment at 600 or 900°C for 1&#xa0;h. The structural-phase state of mechanically alloyed and annealed powders has been studied, and the temperatures of the formation of G-phases have been determined.</p>

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Mechanochemical Synthesis of G-Phases: Ni/Co–Ti–Si and Al–Ti–Fe/Co Systems

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • M. A. Eryomina,
  • S. F. Lomayeva

摘要

Abstract

A method for the synthesis of G-phases (~90 vol % content) at low temperatures and short duration of heat treatment is proposed. Ti6Co16Si7, Ti6Ni16Si7, Ti6Al16Fe7 and Ti6Al16Co7 G-phases were synthesized by mechanical alloying of pure constituent elements and subsequent heat treatment at 600 or 900°C for 1 h. The structural-phase state of mechanically alloyed and annealed powders has been studied, and the temperatures of the formation of G-phases have been determined.