Topography of the strengthened cylindrical surface after frictional continuous treatment
| dc.citation.epage | 19 | |
| dc.citation.issue | Volume 6, № 3/4 | |
| dc.citation.journalTitle | Ukrainian Journal of Mechanical Engineering and Materials Science | |
| dc.citation.spage | 9 | |
| dc.contributor.affiliation | Lviv Polytechnic National University | |
| dc.contributor.author | Gurey, Volodymyr | |
| dc.date.accessioned | 2022-11-25T09:05:07Z | |
| dc.date.available | 2022-11-25T09:05:07Z | |
| dc.date.issued | 2020 | |
| dc.date.submitted | 2022 | |
| dc.description.abstract | Friction treatment refers to methods of surface strengthening (hardening) of the parts’ working surfaces using highly concentrated energy sources. Concentrated energy flow is formed during high-speed friction of the tool on the treated surface in the area of their contact. A strengthened (reinforced) white layer with a nanocrystalline structure is formed in the surface layer of the treated surface. Friction treatment of cylindrical surfaces of samples made of steel 41Cr4 (hardening and low-temperature tempering) was made on a lathe, and the device for the autonomous drive of the strengthening tool was installed instead of a toolpost. The tool was used with a smooth working part and with transverse grooves on the working part. Experimental researches of the strengthened surfaces’ topography were carried out on a profilometer “TALYScan 150” (Taylor Hobson Ltd, UK). The obtained data were processed in the software “Digital Surf MountainsLab Premium 8.2”. After friction treatment by using the tool with transverse grooves on its working part on the treated surface more evenly distributed peaks than after friction treatment by using the tool with the smooth surface. Analysing the spectral density of the peak’s distribution on the treated surfaces, it can be noted that after friction treatment by using the tool with transverse grooves, the area of the spectra is the lowest in comparison with friction treatment by using the tool with a smooth working part. When using the tool with cross grooves on its working part during frictional treatment allows to receive the best parameters of quality of the treatment surface in comparison with frictional treatment by the tool with a smooth working part. The parameters of the load-bearing capacity curve of the surface treated by the tool with transverse grooves on its working surface are better than after frictional treatment by the tool with a smooth working part. The treated surface by the tool with transverse grooves has a more favourable surface for wear, which was confirmed by research on wear resistance. | |
| dc.format.pages | 9-19 | |
| dc.identifier.citation | Gurey V. Topography of the strengthened cylindrical surface after frictional continuous treatment / Volodymyr Gurey // Ukrainian Journal of Mechanical Engineering and Materials Science. – Lviv : Lviv Politechnic Publishing House, 2020. – Volume 6, № 3/4. – P. 9–19. – Bibliography: 16 titles. | |
| dc.identifier.doi | https://doi.org/10.23939/ujmems2020.03-04.009 | |
| dc.identifier.uri | https://ena.lpnu.ua/handle/ntb/57210 | |
| dc.language.iso | en | |
| dc.publisher | Lviv Politechnic Publishing House | |
| dc.relation.ispartof | Ukrainian Journal of Mechanical Engineering and Materials Science | |
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| dc.subject | white layer, wear, nanocrystalline structure, friction treatment, bearing curve, roughness, waviness | |
| dc.title | Topography of the strengthened cylindrical surface after frictional continuous treatment | |
| dc.type | Article |
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