Synthesis of MAX-Phase of Titanium Silicon Carbide (Ti₃SiC₂) as a Promising Electric Contact Material by SHS Pressing Method

Abstract:

In this work, we describe the synthesis of the MAX-phase of titanium silicon carbide (Ti₃SiC₂) received by the method of self-propagating high-temperature synthesis (SHS) with application of pressure (SHS-pressing). Compacted Ti₃SiC₂ was obtained from initial mixture of powders of titanium, silicon and carbon (soot) with the ratio of powder components of 3Ti+(1.2-1.25)Si+2C. Using X-ray diffraction, scanning electron microscopy and energy dispersive analysis, it was shown that the synthesized product of SHS-pressing is a dense composite material consisting of the core phase of Ti₃SiC₂ and side phases of TiC and TiSi₂. The basic physical and mechanical properties of the new composite material: density, compressive strength, hardness, electrical conductivity were studied. This material is of interest as a promising electric contact material.

• Periodical: Applied Mechanics and Materials (Volume 792)
• Pages: 596-601
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.792.596
• Online since: September 2015
• Authors: Denis M. Davydov, Aleksandr P. Amosov, Evgeniy I. Latukhin
• Keywords: Dense Ceramics, Pressing, Self-Propagating High-Temperature Synthesis, Ti3SiC2

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