Fretting Fatigue Behavior of Ti–6Al–4V and Ti–10V–2Fe–3Al Alloys
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The effect of fretting on fatigue performance of different microstructures for titanium alloy was studied using a high-frequency push–pull fatigue testing machine. Both plain and fretting fatigue curves were obtained for comparative analysis of the fretting effect on fatigue performance of the different titanium alloy. The result shows that the strength, plain fatigue of Ti6Al4V titanium is lower than those of Ti1023 titanium. But the fretting fatigue of Ti6Al4V titanium is higher under each contact stress. The fatigue source depth of Ti1023 alloy is greater than Ti6Al4V alloy. Hardening of Ti1023 alloy is more serious after fretting. The wear mechanism of two titanium alloys is different, Ti1023 titanium alloy is more sensitive to fretting wear.
KeywordsFretting fatigue Fatigue source Microhardness Fretting wear
Author Li ZY has received research grants from Aviation Key Laboratory of Science and Technology on Advanced Titanium Alloys, Liu XL, Wu GQ, Huang Z are members of the project team.
This study was funded by Aviation Key Laboratory of Science and Technology on Advanced Titanium Alloys.
Compliance with Ethical Standards
Conflict of interest
The authors declare that they have no conflict of interest.
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