Addition of various reinforcements was studied in an attempt to produce a TiC–Al₂O₃ composite with high density, homogeneous microstructure, and outstanding mechanical properties for use in aggressive media using self-propagating high-temperature synthesis (SHS). Ductile Ni-metal powder (5 – 20 wt.%) and Al₂O₃ and ZrO₂ (1 mole fraction) dilutions with and without Ni addition were introduced into TiC–Al₂O₃ composite synthesized by combined SHS and direct consolidation (DC). The influence of the Ni content and dilution with Al₂O₃ and ZrO₂ on the phase composition, densification behavior, microstructure, and mechanical properties of the synthesized TiC–Al₂O₃ composite was investigated. The best results were obtained by adding Ni(5 wt.%) to the TiC–Al₂O₃ composite. However, the chemical reactions between the starting precursors were disturbed and the composite characteristics worsened if the Ni content was increased to >5 wt.%. Accordingly, addition of 5 wt.% Ni was suggested to produce a highly dense TiC–Al₂O₃ composite with a homogenized morphology and unparalleled mechanical properties. Moreover, the produced composites could be used successfully in aggressive media and tribological applications.

为了生产具有高密度，均匀的微观结构和出色的机械性能的TiC–Al ₂ O ₃复合材料，研究了各种增强材料的应用，这些材料可通过自蔓延高温合成（SHS）用于腐蚀性介质。将韧性镍金属粉末（5-20​​ wt。％）和Al ₂ O ₃和ZrO ₂（1摩尔分数）稀释液在添加和不添加镍的情况下引入到通过结合SHS和直接固结合成的TiC–Al ₂ O ₃复合材料中（ DC）。Ni含量和Al ₂ O ₃和ZrO ₂稀释的影响对合成的TiC–Al ₂ O ₃复合材料的相组成，致密化行为，微观结构和力学性能进行了研究。通过将Ni（5 wt。％）添加到TiC–Al ₂ O ₃复合材料中可获得最佳结果。然而，如果Ni含量增加至> 5wt。％，则起始前体之间的化学反应受到干扰并且复合特性恶化。因此，建议添加5 wt。％的Ni来生产具有均质形态和无与伦比的机械性能的高密度TiC-Al ₂ O ₃复合材料。而且，所生产的复合材料可以成功地用于侵蚀性介质和摩擦学应用中。