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Abstract <p>The phase composition and microstructure of sintered powder materials based on multicomponent mixtures of Ti + Al + (Fe + Fe<sub>2</sub>O<sub>3</sub>), where one of the components is an oxidized steel swarf powder, has been studied. Two variants of the ratio of titanium and aluminum with the same volume content of swarf powder are considered. It was found that the presence of iron oxide in the initial swarf powder does not guarantee the formation of separate aluminum oxide phases. During vacuum sintering, both in the first version of the composition and in the second one, iron aluminides are mainly formed. The formation of ternary intermetallides TiFe<sub>2</sub>Al and complex oxides FeTiO<sub>3</sub> was also observed.</p>

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Interaction Features of Components during the Sintering of Powder Mixtures Ti-Al-(Fe-Fe2O3)

  • 期刊论文

  • 发表日期：

    2026年4月1日

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  • A. G. Knyazeva,
  • E. N. Korosteleva,
  • V. V. Korzhova

摘要

Abstract

The phase composition and microstructure of sintered powder materials based on multicomponent mixtures of Ti + Al + (Fe + Fe2O3), where one of the components is an oxidized steel swarf powder, has been studied. Two variants of the ratio of titanium and aluminum with the same volume content of swarf powder are considered. It was found that the presence of iron oxide in the initial swarf powder does not guarantee the formation of separate aluminum oxide phases. During vacuum sintering, both in the first version of the composition and in the second one, iron aluminides are mainly formed. The formation of ternary intermetallides TiFe2Al and complex oxides FeTiO3 was also observed.