Journal
WEAR
Volume 426, Issue -, Pages 704-711Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2018.12.074
Keywords
Torsional fretting fatigue; LZ50; Fretting wear; XPS
Funding
- National Natural Science Foundation of China [51575495, 51305364, U1534209]
- Project of Traction Power State Key Laboratory of China [2016TPL-Z03]
- Sichuan Key Laboratory Open Fund Project for Corrosion and Protection of Materials [2014CL08]
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The torsional fretting fatigue tests of LZ50 axle steel were carried out in a cylinder-on-cylinder contact configuration to investigate the influence of fretting wear and tribo-chemical action in the contact zone on the fretting fatigue life. The S-N curves of the torsional fretting fatigue were drawn. The results indicated that there was a competitive relationship between wear and fatigue in the fretting process. The tribo-chemical action in the fretting damage zone accelerated the wear of material. The Fe element in fretting damage zone existed in consist of Fe0+, Fe2+ and Fe3+.
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