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Abstract <p>This study reports the preparation of AlN–TiN ceramic composites with high TiN content, near the percolation threshold, by pressureless sintering and examines their properties. The analysis addresses microstructural characteristics, measured thermal conductivity at room temperature, and electrical resistivity in the 300–700 K temperature range. The study also proposes a mechanism responsible for the drastic change in electrical conductivity in the as-obtained composites.</p>

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Structure, Thermal Conductivity, and Specific Electrical Resistivity of an Aluminum Nitride–Titanium Nitride Composite Material in the Percolation Region

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • V. I. Omelianenko,
  • I. P. Fesenko,
  • L. O. Romanko,
  • S. P. Staryk,
  • O. M. Kaidash,
  • G. S. Oleǐnik,
  • V. I. Chasnyk,
  • V. M. Kolodnitskyi,
  • H. P. Zakharchuk

摘要

Abstract

This study reports the preparation of AlN–TiN ceramic composites with high TiN content, near the percolation threshold, by pressureless sintering and examines their properties. The analysis addresses microstructural characteristics, measured thermal conductivity at room temperature, and electrical resistivity in the 300–700 K temperature range. The study also proposes a mechanism responsible for the drastic change in electrical conductivity in the as-obtained composites.