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Effect of displacement amplitude on fretting fatigue behavior of hoisting rope wires in low cycle fatigue

Author:
Wang, Dagang  Zhang, Dekun  Ge, Shirong  


Journal:
TRIBOLOGY INTERNATIONAL


Issue Date:
2012


Abstract(summary):

The effect of displacement amplitude on fretting fatigue behavior of steel wires in low cycle fatigue at two cyclic strain levels was investigated. Evolutions of normalized tangential force and morphologies of contact scars were investigated to examine the wear mechanisms. Fretting regime and fretting fatigue life were explored. Acoustic emission technique was utilized to reveal wire failure mechanisms. The results show that an increase of displacement amplitude increases normalized tangential force but decreases the fretting fatigue life. Fretting contact conditions are all mixed fretting regimes. Fretting damage and crack nucleation and propagation accelerate with increasing displacement amplitude. (C) 2012 Elsevier Ltd. All rights reserved.


Page:
178---189


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