Dynamic wear evolution and crack propagation behaviors of steel wires during fretting-fatigue

被引：60

作者：

Wang, Dagang ^{[1
,4
]}

Li, Xiaowu ^{[1
]}

Wang, Xiangru ^{[1
]}

Zhang, Dekun ^{[3
]}

Wang, Dao'ai ^{[2
]}

机构：

[1] China Univ Min & Technol, Sch Mechatron Engn, Daxue Rd 1, Xuzhou 221116, Peoples R China

[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[3] China Univ Min & Technol, Sch Mat Sci & Engn, Xuzhou 221116, Peoples R China

[4] China Univ Min & Technol, State Key Lab Geomech & Deep Underground Engn, Xuzhou 221116, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 101卷

关键词：

Steel wire; Fretting fatigue; Dynamic wear evolution; Crack propagation; FINITE-ELEMENT-ANALYSIS; HOISTING ROPE; PREDICTION; INITIATION; FRICTION; GROWTH; MODEL;

D O I：

10.1016/j.triboint.2016.05.003

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Dynamic wear evolution and crack propagation behaviors of steel wires during fretting-fatigue were investigated in this study. Wear scar and wear depth profiles of steel wires were quantitatively analyzed employing a three-dimensional white light interferometer. Theoretical models of maximum wear depth and wear coefficient of parabolic wear scars were established. Three-dimensional crack propagation characteristics of steel wires were presented using X-ray computed tomography. The results show that larger fatigue cycles induce decreased increase rates of elliptical wear scar area and parabolic wear depth of steel wires. An increase of relative displacement induces reduced damage and thereby better anti wear properties of wires. The central zone of wear scar exhibits larger crack depth and faster crack propagation as compared to edge zones. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：348 / 355

页数：8

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