Vickers hardness of Ru-, Ta-, W-, Re-, Os-, and Ir carbides and nitrides calculated by the bond strength method

0563759 - FZÚ 2023 RIV US eng J - Článek v odborném periodiku
Šimůnek, Antonín
Vickers hardness of Ru-, Ta-, W-, Re-, Os-, and Ir carbides and nitrides calculated by the bond strength method.
MRS Communications. Roč. 12, č. 5 (2022), s. 759-761. ISSN 2159-6859. E-ISSN 2159-6867
Výzkumná infrastruktura: CzechNanoLab - 90110
Institucionální podpora: RVO:68378271
Klíčová slova: Vickers hardness * electronic structure * borides * nitrides
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 1.9, rok: 2022
Způsob publikování: Omezený přístup
https://doi.org/10.1557/s43579-022-00226-0

A bond strength model of Vickers hardness was applied to RuC, TaC, WC, ReC, OsC, IrC, TaN, WN, ReN, OsN, IrN, and Tc2C, Ru2C, Rh2C, Re2C, Os2C, Ir2C crystals. The resulting hardness of transition-metal monocarbides, mononitrides, and subcarbides was found to be within the range of 19-36 GPa. The hardness of these carbides and nitrides has been calculated before by other authors, but these authors incorrectly applied the bond strength method and published erroneous hardness values for all these crystals. Significantly different results and the correct use of the bond strength method are presented in detail.
Trvalý link: https://hdl.handle.net/11104/0335570