Abstract
The torsional fretting wear tests of Ti6Al4V alloy flat against alumina femoral ball in dry condition were carried out on a new high-precision torsional fretting-wear tester. The TiO2/P-methoxymethamphetamine (PMMA)/Ti6Al4V pair showed higher contact stiffness, friction torque, wear damage and material transfer than that of the presentation of TiO2/PMMA/Al2O3 pairs. The mechanisms of torsional wear under different counterbodies were discussed in detail. The mechanisms of torsional fretting wear of aluminium alloy are mainly oxidative wear, abrasive wear and delamination in the three fretting regimes. The torsional fretting running regimes transferred from partial slip regime (PSR) to SR were analysed; however, the mixed fretting regime was never appeared in this test. In PSR (lower angular displacement amplitudes), only a dint was found after the tests. The kinetics behaviours and damage mechanism of Ti6Al4V alloy under different angular displacement amplitudes with friction torque and dissipation energy, which are strongly dependent upon the imposed angular displacement amplitudes and presented in three stages, were discussed in detail.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
