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Title Mechanical and tribological characterization of nanostructured HfB2 flms deposited from compound target
Authors Buranych, Volodymyr Volodymyrovych
Pohrebniak, Oleksandr Dmytrovych  
Budzynski, P.
Shelest, Ihor Vladyslavovych
Prószyński, A.
Chocyk, D.
Honcharenko, Oleksii Serhiiovych
Yunda, Andrii Mykolaiovych
ORCID http://orcid.org/0000-0002-9218-6492
Keywords HfB2 flms
RF magnetron sputtering
Mechanical properties
Tribology
Wear
Type Article
Date of Issue 2020
URI https://essuir.sumdu.edu.ua/handle/123456789/83072
Publisher Springer Nature
License Creative Commons Attribution 4.0 International License
Citation Buranich, V., Pogrebnjak, A., Budzynski, P. et al. Mechanical and tribological characterization of nanostructured HfB2 films deposited from compound target. SN Appl. Sci. 2, 563 (2020). https://doi.org/10.1007/s42452-020-2359-2
Abstract Fabrication and development of HfB2-based nanostructured coatings was investigated. All flms were deposited on stainless-steel substrates by RF magnetron sputtering from stochiometric HfB2 target in argon atmosphere. The aim of this work is to evaluate the efects of the bias potential on the microstructure, mechanical and tribological properties. These parameters strongly depend on the experimental conditions. X-ray difraction analysis indicated the diference in microstructure: from dense hexagonal structure with (0001) preferred orientation of nanocrystallites to quasi-amorphous with blurred HfB2 phase peaks. All coatings were measured using nanoindentation (using Berkovich tip), tribology (ballon-disk) and nano-scratch (friction). Coatings with a thickness of 1–2 µm had a signifcant dependence of properties on the microstructure: hardness drastically increased from 8 to 45 GPa, H/E ratio and elastic recovery changed respectively: 0.04–0.15 and 0.26–0.72.
Appears in Collections: Наукові видання (ЕлІТ)

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