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Effect of contact stress on fretting fatigue behavior of 35CrMoA steel under multiaxial non-proportional paths
  • +5
  • Zhiqiang Zhou,
  • Xiaoshan Liu,
  • Guoqiu He,
  • Bin Ge,
  • Peiwen Le,
  • Jingquan Li,
  • Jiaqi Pan,
  • Yang Yang
Zhiqiang Zhou
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Xiaoshan Liu
Tongji University
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Guoqiu He
Tongji University
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Peiwen Le
Tongji University
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Jingquan Li
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This study investigated the fretting fatigue behavior and mechanism of 35CrMoA steel of different contact stresses under diamond and square loading paths in the form of curved surface contact. The results show that multiple crack sources will initiate on the subsurface of the specimen under the combined effect of contact stress and cyclic stress. Under low contact stress, only one crack source dominates, causing the instantaneous fracture zone to be biased to the other side of the main crack source. Under high contact stress, the crack sources in both fretting zones play a dominant role, making the shape of the instantaneous fracture zone into a nearly circular shape with better symmetry; At the beginning of the fretting fatigue, cracks only propagate in the cross-section where they form. When they propagate to a certain depth, a component that propagates in the longitudinal direction will be generated.

Peer review status:ACCEPTED

26 May 2020Submitted to Fatigue & Fracture of Engineering Materials & Structures
26 May 2020Submission Checks Completed
26 May 2020Assigned to Editor
29 May 2020Reviewer(s) Assigned
21 Jun 2020Review(s) Completed, Editorial Evaluation Pending
22 Jul 2020Editorial Decision: Revise Major
18 Aug 20201st Revision Received
18 Aug 2020Assigned to Editor
18 Aug 2020Submission Checks Completed
18 Aug 2020Reviewer(s) Assigned
02 Sep 2020Review(s) Completed, Editorial Evaluation Pending
04 Sep 2020Editorial Decision: Revise Minor
06 Sep 20202nd Revision Received
07 Sep 2020Submission Checks Completed
07 Sep 2020Assigned to Editor
08 Sep 2020Reviewer(s) Assigned
08 Sep 2020Review(s) Completed, Editorial Evaluation Pending
09 Sep 2020Editorial Decision: Accept