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Interwire wear and its influence on contact behavior of wire rope strand subjected to cyclic bending load.pdf
Wear 368-369 (2016) 470–484
Contents lists available at ScienceDirect
Wear
journal homepage: /locate/wear
Interwire wear and its in?uence on contact behavior of wire rope strand subjected to cyclic bending load
Yuanpei Chen a, Fanming Meng a,n, Xiansheng Gong b
a The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China b College of Mechanical Engineering, Chongqing University, Chongqing 400044, China
article info
Article history: Received 1 July 2016 Received in revised form 4 October 2016 Accepted 24 October 2016 Available online 26 October 2016
Keywords: Wear Contact behavior Wire rope strand Cyclic bending Fast Fourier transform
abstract
The present study establishes a solving model for analyzing the interwire wear evolution of a wire rope strand subjected to cyclic bending load, in which the frictional contact and sliding between the wires are considered simultaneously. A wear experiment between the wires is conducted to study the wear behavior of the wires. Meanwhile, the proposed model is veri?ed experimentally. Then the interwire wear and its effect on the contact behavior of the strand are analyzed. The results show that the interwire wear only happens on the side further from the curvature center of the bended strand than its neutral layer, and no wear happens when the wires are apart from each other or the interwire slippage is zero. As the wear process goes on, the wear region extends only along the normal direction of the core-wire contact line, and the maximum wear depth occurs at the middle position between the neutral layer and the furthest location from the curvature center. The contact pressure is distributed uniformly along the normal direction of contact line, but a signi?cant stress concentration and local deformation happen at the position furthest from the curvature center of the bended strand.
2016 Elsevier B.V. All rights reserved.
1. Introduction
A wire rope is widely used in building, bridge, shipp
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