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TECHNICAL PAPERS

Development of a Three-Dimensional Semi-Analytical Elastic-Plastic Contact Code

[+] Author and Article Information
C. Jacq

SNECMA, direction technique, Centre de Villaroche, 77550 Moissy Cramayel, France

D. Nélias

Laboratoire de Mécanique des Contacts (CNRS UMR 5514), Institut national des sciences appliquées, 69621 Villeurbanne Cedex, France

G. Lormand

Groupe d’Etude Métallurgie Physique et Physique des Matériaux (CNRS UMR 5510), Institut national des sciences appliquées, 69621 Villeurbanne Cedex, France

D. Girodin

SNR Roulements, BP 2017, 74010 Annecy, France

J. Tribol 124(4), 653-667 (Sep 24, 2002) (15 pages) doi:10.1115/1.1467920 History: Received June 13, 2001; Revised November 02, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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References

Figures

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Contact problem description
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Surface separation. Representation in the plane (0,x⃗1,x⃗3).
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Load history description
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Plastic strain increment algorithm
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Elastic-plastic contact problem resolution algorithm
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Cuboid of constant plastic strain
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Dimensionless normal surface displacement under load for a Hertzian pressure versus dimensionless distance from center of symmetry
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Load versus rigid body displacement. Rigid punch.
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Load versus rigid body displacement. Deformable punch.
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Meshing of the elastic punch
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Load versus rigid body displacement. Rigid punch and elastic-plastic half-space.
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Influence of plasticity on pressure distribution. Load of 650 mN.
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Plastic strain versus depth along the contact axis
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Residual stress versus depth along the contact axis
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Plastic strain profile at 2 microns far from the contact axis
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Residual stress profile at 2 microns far from the contact axis
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Residual print depth versus applied load 28
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Surface displacement at the center of the rolling track after unloading
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Elastic and elastic-plastic dented contact. Contact pressure.
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Residual stress σ11 in MPa in the plane x3=65 μm
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Residual stress σ11 in MPa. Profile at x2=0;x3=75 μm. Comparison between vertical loading and rolling.
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Superposition of solutions

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