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TECHNICAL PAPERS

Modeling of Fatigue Crack Propagation During Sliding Wear of Polymers

[+] Author and Article Information
Keyanoush Sadeghipour, George Baran, Hanqing Zhang, Wei Wu

Department of Mechanical Engineering, Temple University, 1947 N. 12th Street, Philadelphia, PA 19122

J. Eng. Mater. Technol 125(2), 97-106 (Apr 04, 2003) (10 pages) doi:10.1115/1.1543967 History: Received June 11, 2001; Revised July 02, 2002; Online April 04, 2003
Copyright © 2003 by ASME
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References

Figures

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Scanning laser confocal microscopic image of surface breaking cracks
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Scanning laser confocal microscopic image of surface breaking cracks with some material loss due to pitting
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Schematic diagram of a branched vertical crack
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(a) Finite element model of a cylinder sliding on a material with a branched vertical crack (b) Closeup view of the mesh surrounding the crack path
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(a) Variation of the mode I (KI) and II (KII) stress intensity factors with crack depth (C1) and cylinder position XC for material B2 (b) Variation of the Mode I (KI) and II (KII) stress intensity factors with crack depth (C1) and cylinder position XC for material B2skd
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(ac) Variations of KI and KII with crack length C2 and cylinder position XC after the crack has branched in the direction of the declined line of path (for B2)
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(ac) Variations of KI and KII with crack length C2 and cylinder position XC after the crack has branched in the direction of the declined line of path (for B2skd)
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(ab) Variations of crack propagation rates with crack tip locations
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(ab) Fatigue lives of the material or the number of contact cycles versus crack length

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