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Abstract <p>The structure and physicomechanical properties of composites with a matrix of high-alloy steel PKh18N15M at 50 and 60 wt % and reinforcing additives TiC and TiC + TiB<sub>2</sub> were investigated. The composites were produced by self-propagating high-temperature synthesis (SHS) followed by unconstrained pressing. The amounts of titanium and boron added to the starting charge were chosen to yield 5 wt % TiB<sub>2</sub> in the final composite. For composites reinforced with TiC, the maximum values were: microhardness 14.4&#xa0;GPa, elastic modulus 379 GPa, and elastic recovery 32.8%; for composites reinforced with TiC + TiB<sub>2</sub>, the corresponding values were 17.7 GPa, 478 GPa, and 35.6%.</p>

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Influence of TiB2 on Structure and Mechanical Properties of Titanium Carbide Based Metal Ceramic Composites Obtained by Free SHS Compression

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • P. M. Bazhin,
  • A. P. Chizhikov,
  • A. D. Bazhina,
  • M. S. Antipov,
  • A. S. Konstantinov,
  • I. V. Zverev,
  • A. O. Romanov,
  • E. Yu. Remshev

摘要

Abstract

The structure and physicomechanical properties of composites with a matrix of high-alloy steel PKh18N15M at 50 and 60 wt % and reinforcing additives TiC and TiC + TiB2 were investigated. The composites were produced by self-propagating high-temperature synthesis (SHS) followed by unconstrained pressing. The amounts of titanium and boron added to the starting charge were chosen to yield 5 wt % TiB2 in the final composite. For composites reinforced with TiC, the maximum values were: microhardness 14.4 GPa, elastic modulus 379 GPa, and elastic recovery 32.8%; for composites reinforced with TiC + TiB2, the corresponding values were 17.7 GPa, 478 GPa, and 35.6%.