Mechanical properties of superhard boron subnitride B13N2

V. L. Solozhenko, V. Bushlya

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Abstract

Microstructure and mechanical properties of bulk polycrystalline rhombohedral boron sub-nitride B13N2 synthesized by crystallization from the B–BN melt at 7 GPa have been systematically studied by micro- and nanoindentation, atomic force microscopy and scanning electron microscopy. The obtained data on hardness, elastic properties and fracture toughness clearly indicate that B13N2 belongs to a family of superhard phases and can be considered as a promising superabrasive or binder for cubic boron nitride.

Original languageEnglish
Pages (from-to)422-426
Number of pages5
JournalJournal of Superhard Materials
Volume39
Issue number6
DOIs
Publication statusPublished - 2017 Nov 1

Subject classification (UKÄ)

  • Materials Chemistry

Free keywords

  • boron subnitride
  • elastic moduli
  • fracture toughness
  • hardness

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