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Abstract <p>Cast Ti–Cr boride composites with a Ni–Al–Mn binder were prepared via high-temperature synthesis to develop high-performance surfacing electrodes. It was revealed that the burning velocity and phase composition/microstructure of synthesized products are highly dependent on the initial reactor pressure and charge composition (CrO<sub>3</sub>/TiO<sub>2</sub>/Al/B<sub>2</sub>O<sub>3</sub>). A specific composite containing 15 wt % metallic binder—derived from a supplemental NiO–MnO<sub>2</sub>–Al mixture—was selected for electric arc surfacing applications. The resulting protective coatings achieved a hardness of 8000–9500 MPa, demonstrating wear characteristics superior to currently available commercial surfacing materials.</p>

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SHS-Derived (CrTi)B2–NiMnAl Cast Composites for Protective Coating Fabrication

  • 期刊论文

  • 发表日期：

    2026年5月26日

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  • V. A. Gorshkov,
  • P. A. Miloserdov

摘要

Abstract

Cast Ti–Cr boride composites with a Ni–Al–Mn binder were prepared via high-temperature synthesis to develop high-performance surfacing electrodes. It was revealed that the burning velocity and phase composition/microstructure of synthesized products are highly dependent on the initial reactor pressure and charge composition (CrO3/TiO2/Al/B2O3). A specific composite containing 15 wt % metallic binder—derived from a supplemental NiO–MnO2–Al mixture—was selected for electric arc surfacing applications. The resulting protective coatings achieved a hardness of 8000–9500 MPa, demonstrating wear characteristics superior to currently available commercial surfacing materials.