Nanostructured Ti-Cr-B-N and Ti-Cr-Si-C-N coatings for hard-alloy cutting tools View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2011-06

AUTHORS

F. V. Kiryukhantsev-Korneev, A. N. Sheveiko, V. A. Komarov, M. S. Blanter, E. A. Skryleva, N. A. Shirmanov, E. A. Levashov, D. V. Shtansky

ABSTRACT

Nanostructured Ti-Cr-B-N and Ti-Cr-Si-C-N coatings with various contents of chromium and nitrogen are obtained by the magnetron sputtering of multiphase composite targets. Their structure and phase composition are investigated by X-ray phase analysis, transmission and scanning electron microscopy, X-ray photoelectron spectroscopy, and optical emission glow-discharge spectroscopy. The Ti-Cr-B-N and Ti-Cr-Si-C-N coatings are based on the fcc phase with texture (100) and crystallite size <25 nm. The Si3N4-based hexagonal phase was also revealed in the Ti-Cr-Si-C-N coatings. An investigation into the properties of coatings with the use of methods of nanoindentation, scratch testing, and by performing tribological tests showed that they have a hardness of up to 30 GPa, an adhesion strength no lower than 35 N, and their friction coefficient falls in the range of 0.35–0.57. Coatings also possess high thermal stability, resistance to oxidation, and corrosion stability in a 1N H2SO4 solution. The data obtained in tests of hard-alloy cutting tools indicate that the deposition of nanostructured Ti-Cr-B-N and Ti-Cr-Si-C-N coatings increases its resistance by a factor of 11–17. More... »

PAGES

311-318

Identifiers

URI

http://scigraph.springernature.com/pub.10.3103/s1067821211030138

DOI

http://dx.doi.org/10.3103/s1067821211030138

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1030110996


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