The Influence of the Phase Composition of the B-N-C System Composite Material on Its Physical-mechanical and Tribological Characteristics
| Authors | V.M. Volkogon1 , S.K. Avramchuk1 , A.V. Kravchuk1 , T.V. Pavlychuk1 , V.S. Antonyuk2 , K.І. Avramchuk2 |
| Affiliations |
1 Frantsevich Institute for Problems in Materials Science, National Academy of Sciences of Ukraine, 3, Krzhizhanovsky St., 03142 Kyiv, Ukraine 2 National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 37, Peremogy Ave., 03056 Kyiv, Ukraine |
| Е-mail | |
| Issue | Volume 12, Year 2020, Number 3 |
| Dates | Received 03 March 2020; revised manuscript received 15 June 2020; published online 25 June 2020 |
| Citation | V.M. Volkogon, S.K. Avramchuk, A.V. Kravchuk, et al., J. Nano- Electron. Phys. 12 No 3, 03035 (2020) |
| DOI | https://doi.org/10.21272/jnep.12(3).03035 |
| PACS Number(s) | 42.79.Bh |
| Keywords | Boron nitride (2) , Wurtzite, Sphalerite, Diamond (4) , Composite (45) , Solid solution (6) , Hardness (12) , Coefficient of friction, Wear resistance (2) . |
| Annotation |
The results of investigations of physical-mechanical and tribotechnical characteristics of composite materials based on wurtzite boron nitride of different phase composition, which contain a diamond component in the form of elements of the microstructure of the composite and solid solution of diamond in boron nitride, are presented. It is defined that the maximum hardness of the composites is formed in the temperature range T = 160-700 °С, and further increase of the sintering temperature is accompanied by a decrease in the hardness caused by the material recrystallization and the weakening of the intergranular boundaries. Composites obtained at a temperature T = 1700 ºC have the maximum index of the physical and mechanical characteristics. The influence of the phase composition of the composite material on its tribotechnical properties at dry friction on a steel counter in the conditions of a steady change in the speed of sliding in the range V = 6-14 m/s at a load of 20 N is determined. The obtained results can be used to develop practical recommendations for the effective use of composites of WNB-diamond systems in metalworking processes, as well as in heavy-duty friction pairs under conditions of limited lubrication. |
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List of References |
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