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Influence of Ball-Burnishing Process on Surface Topography Parameters and Tribological Properties of Hardened Steel

1
Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, Powstancow Warszawy 8 str., 35-959 Rzeszow, Poland
2
Laboratory of Manufacturing Technology, School of Mechanical Engineering, National Technical University of Athens, Iroon Polytechniou Avenue 9, 15780 Athens, Greece
*
Author to whom correspondence should be addressed.
Machines 2019, 7(1), 11; https://doi.org/10.3390/machines7010011
Received: 20 December 2018 / Revised: 14 January 2019 / Accepted: 15 January 2019 / Published: 19 January 2019
(This article belongs to the Special Issue Advances in CAD/CAM/CAE Technologies)
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Abstract

The ball-burnishing process is a particular finishing treatment that can improve selected properties of different materials. In the present study, the ball-burnishing technique was used to investigate the effect of input parameters of processes on selected surface layer features like surface roughness and residual stresses of the 42CrMo4 steel surfaces. The burnishing process was conducted on Haas CNC Vertical Mill Center VF-3 using a tool with tungsten carbide tip. A further objective of our research was to improve tribological properties of the aforementioned steel by the ball-burnishing process. The results of the investigations showed that it was possible to reduce the root mean square height of the surface Sq from 0.522 μm to 0.051 μm and to increase wear resistance compared to ground samples. View Full-Text
Keywords: ball burnishing; surface topography; friction; wear ball burnishing; surface topography; friction; wear
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Dzierwa, A.; Markopoulos, A.P. Influence of Ball-Burnishing Process on Surface Topography Parameters and Tribological Properties of Hardened Steel. Machines 2019, 7, 11.

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