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<p>Carbon fiber-reinforced zirconium carbide (C<sub>f</sub>/ZrC) composites were fabricated using the reactive melt infiltration technique under high vacuum at temperatures of 2000°C and 2100°C. The density of the composite, its fiber volume fraction, and infiltration temperature play important roles in determining its mechanical properties and microstructure. Mechanical properties were investigated using a universal testing machine with a specific testing fixture at room temperature. The fabricated composite exhibited a maximum compressive strength of 185 MPa, flexural strength of 114 MPa, and fracture toughness of 4 MPa <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\sqrt m\)</EquationSource> <EquationSource Format="MATHML"><math> <msqrt> <mi>m</mi> </msqrt> </math></EquationSource> </InlineEquation>. The microstructure of C<sub>f</sub>/ZrC was determined using scanning electron microscopy, energy dispersive spectroscopy, and X-ray diffraction.</p>

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Reactive melt infiltration-based fabrication and mechanical characterization of 2D Cf/ZrC composites

  • 期刊论文

  • 发表日期：

    2026年4月7日

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  • Satyendra Kumar,
  • Anand Kumar,
  • Shailendra Sinha

摘要

Carbon fiber-reinforced zirconium carbide (Cf/ZrC) composites were fabricated using the reactive melt infiltration technique under high vacuum at temperatures of 2000°C and 2100°C. The density of the composite, its fiber volume fraction, and infiltration temperature play important roles in determining its mechanical properties and microstructure. Mechanical properties were investigated using a universal testing machine with a specific testing fixture at room temperature. The fabricated composite exhibited a maximum compressive strength of 185 MPa, flexural strength of 114 MPa, and fracture toughness of 4 MPa \(\sqrt m\) m . The microstructure of Cf/ZrC was determined using scanning electron microscopy, energy dispersive spectroscopy, and X-ray diffraction.