@article{01HKPMKKA79ZD2Z6EKQ9C2BMYS,
  abstract     = {{In this paper, combined experimental and numerical methods are applied to investigate the effect of different contact stress and slip amplitude on the fretting fatigue (FF) behaviour of TC11 titanium alloy with gradient nanostructure introduced by ultrasonic surface rolling process (USRP). The properties of gradient nanostructure are characterized using scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray residual stress tester, microhardness tester. As evidenced by the FF experimental results, USRP can significantly improve the FF life of TC11 by introducing large compressive residual stress and work hardening layer. The dominant parameters in improving the FF resistance under different loading conditions are investigated. In addition, the simulated results from Abaqus show that contact stress plays a more important role in influencing FF life compared to fretting bridge span, which is attributed to the change in slip amplitude and stress concentration. Fretting fatigue life initially increases and then decreases with contact stress and there is a contact stress threshold that leads to minimum lifetime. This threshold of USRP specimens is greater than that of untreated specimens. The transition of fretting mode along with contact stress is observed and discussed.}},
  author       = {{Fan, Kaifa and Liu, Daoxin and Wang, Can and Yang, Jing and Liu, Yanjie and Zhang, Xiaohua and Xiang, Junfeng and Abdel Wahab, Magd}},
  issn         = {{2238-7854}},
  journal      = {{JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T}},
  keywords     = {{Metals and Alloys,Surfaces, Coatings and Films,Biomaterials,Ceramics and Composites,Fretting fatigue,Ultrasonic surface rolling,Contact stress,Relative,slip amplitude,Finite element analysis,Smith-watson-topper,Life,prediction,TI-6AL-4V ALLOY,DEFORMATION MECHANISM,RESIDUAL-STRESS,GRADIENT,PRESSURE,STABILITY,TEMPERATURE,PERFORMANCE,PREDICTION,PHASE}},
  language     = {{eng}},
  pages        = {{4052--4064}},
  title        = {{Effect of contact stress and slip amplitude on fretting fatigue behaviour of ultrasonic surface nanocrystallized TC11 titanium alloy}},
  url          = {{http://doi.org/10.1016/j.jmrt.2024.01.020}},
  volume       = {{28}},
  year         = {{2024}},
}

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