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Thermal Stability of Superhard Nitride Coatings from High-Entropy Multicomponent Ti–V–Zr–Nb–Hf Alloy

Firstov, S. A. ; Gorban’, V. F. ; Danilenko, N. I. ; Karpets, M. V. ; Andreev, A. A. ; Makarenko, E. S.

Powder metallurgy and metal ceramics, 2014, Vol.52 (9-10), p.560-566 [Periódico revisado por pares]

Boston: Springer US

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Título:
Thermal Stability of Superhard Nitride Coatings from High-Entropy Multicomponent Ti–V–Zr–Nb–Hf Alloy
Autor: Firstov, S. A. ; Gorban’, V. F. ; Danilenko, N. I. ; Karpets, M. V. ; Andreev, A. A. ; Makarenko, E. S.
Assuntos: Alloys ; Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Coatings ; Coatings industry ; Composites ; Glass ; Materials Science ; Mechanical properties ; Metallic Materials ; Natural Materials ; Solid solutions ; Specialty metals industry
É parte de: Powder metallurgy and metal ceramics, 2014, Vol.52 (9-10), p.560-566
Descrição: Nitride coatings with high hardness (60.0–65.0 GPa) are produced from a high-entropy multicomponent single-phase alloy containing five nitride-forming elements by vacuum arc deposition with application of pulsed implantation. These high values of hardness are characteristic of metals in the equiatomic alloy only in nanostructured state. The mechanical properties of the coatings annealed in the temperature range up to 1200 °C are studied. It is established that the coatings are solid solutions of high-entropy nitride with fcc lattice. The vacuum coatings inherit the same type of crystal lattice as that of the target (bcc). The crystal lattice of high-entropy vacuum coatings is formed through the mechanism revealed in the cast alloys. The parameter of this lattice is close to that calculated by Vegard’s rule.
Editor: Boston: Springer US
Idioma: Inglês

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Thermal Stability of Superhard Nitride Coatings from High-Entropy Multicomponent Ti–V–Zr–Nb–Hf Alloy

Firstov, S. A. ; Gorban’, V. F. ; Danilenko, N. I. ; Karpets, M. V. ; Andreev, A. A. ; Makarenko, E. S.

Boston: Springer US

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