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Abstract <p>CoCrNi–TiC cermet was synthesized by spark plasma sintering, resulting in the formation of secondary chromium-rich (CoCrNi)<sub>3</sub>C<sub>2</sub> phase during consolidation. The cermet was found to exhibit a markedly enhancement in mechanical properties, achieving a Vickers hardness of 16 320 MPa compared to 2025–2332 MPa for CoCrNi, while preserving a fracture toughness of 8.12–10.60 MPa m<sup>1/2</sup>. This strengthening effect is directly attributed to the reinforcing role of TiC grains within the composite structure.</p>

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Spark Plasma Sintering of CoCrNi–TiC Cermet

  • 期刊论文

  • 发表日期：

    2026年5月26日

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  • A. R. Bobozhanov,
  • S. G. Vadchenko,
  • D. Yu. Kovalev,
  • A. E. Sytschev,
  • A. O. Sivakova,
  • A. S. Rogachev,
  • K. V. Kuskov

摘要

Abstract

CoCrNi–TiC cermet was synthesized by spark plasma sintering, resulting in the formation of secondary chromium-rich (CoCrNi)3C2 phase during consolidation. The cermet was found to exhibit a markedly enhancement in mechanical properties, achieving a Vickers hardness of 16 320 MPa compared to 2025–2332 MPa for CoCrNi, while preserving a fracture toughness of 8.12–10.60 MPa m1/2. This strengthening effect is directly attributed to the reinforcing role of TiC grains within the composite structure.