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Volkhonskii, AO; Blinkov, IV; Vereshchaka, AA; Vereshchaka, AS; Batako, ADL
Publisher: Springer
Languages: English
Types: Article
In coated tools, the grain boundaries and coating layers are areas of intense energy dissipation, which hardens the coating material by increasing its toughness and its resistance to the formation and development of cracks. An increase in the efficiency of the coatings was achieved by applying nano-dispersed multilayer composite structure. This paper proposes using nano-scale multilayer composite coating based on TiN-CrN compound to improve thermal stability, where barrier layers based on ZrNbN have been introduced. The ZrNbN barrier does not interact with TiN and CrN at temperatures around 1000 °C. The influence of process parameters of the filtered cathodic vacuum arc deposition on the composition, structure and properties of the coatings based on variation of TiAlN-ZrNbN-CrN was analysed. The results presented here show that the hardness of the developed coatings was as high as 38 GPa. Subsequently, the carbide tools used in this study with the new coatings had an increased lifetime of 1.5–2.0 times compared to tools with commercial coatings. The coated carbide tools were tested in longitudinal turning and face milling titanium and nickel alloys.
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    • 2. M.G. Faga, G. Gautier, R. Calzavarini, M. Perucca,E. Aimo Boot, F. Cartasegna, L. Settineri. AlSiTiN nanocomposite coatings developed via Arc Cathodic PVD: Evaluation of wear resistance via tribological analysis and high speed machining operations. Wear 263 (2007), p 1306-1314.
    • 3. I.V. Blinkov S.A, A.O. Volkhonsky, A.G. Yudin. Multi-phase coating material as a factor influencing the formation of nanostructures and their properties. Physics and chemistry of materials processing. 2011. № 6, p 18.
    • 4. A. A. Vereschaka, A. S. Vereschaka, S. N. Grigoriev, D.V. Sladkov. Nano-Scale MultiLayered Coatings for Cutting Tools Generated Using Assisted Filtered Cathodic-Vacuum-Arc Deposition (AFCVAD). Applied Mechanics and Materials Vols. 325-326 (2013) Trans Tech Publications, Switzerland, 2013, p 1454-1459
    • 5. Konstantinos-Dionysios Bouzakis, Nikolaos Michailidis, Georgios Skordaris, Emmanouil Bouzakis, Dirk Biermann, Rachid M'Saoubi. Cutting with coated tools: Coating technologies, characterization methods and performance optimization. CIRP Annals - Manufacturing Technology 61 (2012), p 703-723.
    • 6. Vereschaka A.S., Grigoriev S. N., Sotova E.S., Vereschaka A.A. Improving the efficiency of the cutting tools made of mixed ceramics by applying modifying nano-scale multilayered coatings. Advanced Materials Research Vols. 712-715 (2013) Trans Tech Publications, Switzerland, p 391-394.
    • 7. A.S.Vereschaka, A.A.Vereschaka. Functional coatings for an edge cutting tools. Technology of hardening and coatings № 6. (2010), p 28-35.
    • 8. Vereschaka Alexey. Improvement of working efficiency of cutting tools by modifying its surface properties by application of wear-resistant complexes. Advanced Materials Research Vols. 712-715 (2013) Trans Tech Publications, Switzerland, p 347-351.
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