Multifunctional Composite in the B 4 C-SiC-TiC-TiB 2 System
- 1 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 2 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 3 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 4 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 5 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 6 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 7 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 8 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 9 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 10 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
- 11 Bionanoceramic and Nanocomposite Materials Science Center, Institute of Bionanoceramics and Nanocomposite Technology, Faculty of Chemical Technology and Metallurgy, Georgian Technical University, Tbilisi, Georgia
Abstract
Objective : To develop a composite material with enhanced technical and operational properties based on the B 4 C-SiC-TiC-TiB 2 system. Method : The composite was fabricated via hot-pressing. Phase composition and microstructural characterization were performed using X-ray diffraction (DRON-3) and scanning electron microscopy (SEM). Mechanical properties were evaluated using a German R-100 tensile testing machine and a Rockwell hardness tester for hardness assessment. Result : The hot-pressing process induced a solid-state reaction between titanium carbide (TiC) and boron carbide (B 4 C), leading to the in-situ formation of titanium diboride (TiB 2 ) grains, which contributed significantly to the composite’s mechanical reinforcement. The addition of perlite facilitated the development of a glassy intergranular phase, forming continuous “bridges” between carbide grains, thereby enhancing grain boundary cohesion and mechanical stability. Conclusion : The synthesized composite demonstrates outstanding mechanical performance: Flexural strength : 389 MPa; Compressive strength : 1923 MPa; Impact toughness : 11.2 kJ/m 2 . These properties make the material well-suited for wear-resistant applications operating under high-impact, thermomechanical loading and other conditions.
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