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The Effect of Ball Burnishing on Tribological Performance of 42CrMo4 Steel under Dry Sliding Conditions.

Authors
  • Swirad, Slawomir1
  • Pawlus, Pawel1
  • 1 Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, Powstancow Warszawy 8 Street, 35-959 Rzeszow, Poland. , (Poland)
Type
Published Article
Journal
Materials
Publisher
MDPI AG
Publication Date
May 03, 2020
Volume
13
Issue
9
Identifiers
DOI: 10.3390/ma13092127
PMID: 32375281
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Ball burnishing appears to be a very promising approach for reducing surface height, generating compressive residual stresses and increasing hardness. Ball burnishing treatment was carried out using a Haas CNC Vertical Mill Center VF-1 equipped with the Ecoroll burnishing system. After burnishing, surface topographies of machined samples and hardness were measured. Wear tests were conducted using a ball-on-disc tribotester in dry sliding conditions. During tests, the friction force was monitored as a function of time. After tests, wear volumes were determined on the basis of surface texture measurements. Tests revealed that ball burnishing in most cases resulted in minimizing friction and wear of contacting elements.

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