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TECHNICAL PAPERS

Effect of Residual Stress in Surface Layer on Contact Deformation of Elastic-Plastic Layered Media

[+] Author and Article Information
N. Ye, K. Komvopoulos

Department of Mechanical Engineering, University of California, Berkeley, CA 94720

J. Tribol 125(4), 692-699 (Sep 25, 2003) (8 pages) doi:10.1115/1.1572516 History: Received July 10, 2002; Revised December 11, 2002; Online September 25, 2003
Copyright © 2003 by ASME
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References

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Lu,  W., and Komvopoulos,  K., 2000, “Implanted Argon Atoms as Sensing Probes of Residual Stress in Ultrathin Films,” Appl. Phys. Lett., 76, pp. 3206–3208.
Kao,  A. S., Doerner,  M. F., and Novotny,  V. J., 1989, “Processing Effects on the Tribological Characteristics of Reactively Sputtered Chromium Oxide (Cr2O3) Overcoat Films,” J. Appl. Phys., 66, pp. 5315–5321.
Mounier,  E., Juliet,  P., Quesnel,  E., and Pauleau,  Y., 1995, “Dependence of Tribological Properties on Deposition Parameters for Nonhydrogenated Amorphous Carbon Films Produced by Magnetron Sputtering,” Surf. Coat. Technol., 77, pp. 548–552.
Mounier,  E., and Pauleau,  Y., 1997, “Mechanisms of Intrinsic Stress Generation in Amorphous Carbon Thin Films Prepared by Magnetron Sputtering,” Diamond Relat. Mater., 6, pp. 1182–1191.
Scharf,  T. W., and Barnard,  J. A., 1997, “Nanotribology of Ultrathin a:SiC/SiC-N Overcoats Using a Depth Sensing Nanoindentation Multiple Sliding Technique,” Thin Solid Films, 308–309, pp. 340–344.
Herr,  W., and Broszeit,  E., 1997, “Effect of an Annealing Process on the Tribological Properties of Sputtered Hard Coatings,” Surf. Coat. Technol., 97, pp. 669–674.
Kato,  K., Bai,  M., Umehara,  N., and Miyake,  Y., 1999, “Effect of Internal Stress of CNx Coating on its Wear in Sliding Friction,” Surf. Coat. Technol., 113, pp. 233–241.
Zhong,  D., Sutter,  E., Moore,  J. J., Mustoe,  G. G. W., Levashov,  E. A., and Disam,  J., 2001, “Mechanical Properties of Ti-B-C-N Coatings Deposited by Magnetron Sputtering,” Thin Solid Films, 398–399, pp. 320–325.
Bai,  M., Kato,  K., Umehara,  N., and Miyake,  Y., 2000, “Nanoindentation and FEM Study of the Effect of Internal Stress on Micro/Nano Mechanical Property of Thin CNx Films,” Thin Solid Films, 377–378, pp. 138–147.
Komvopoulos,  K., and Ye,  N., 2002, “Elastic-Plastic Finite Element Analysis for the Head-Disk Interface With Fractal Topography Description,” ASME J. Tribol., 124, pp. 775–784.
Komvopoulos,  K., 2000, “Head-Disk Interface Contact Mechanics for Ultrahigh Density Magnetic Recording,” Wear, 238, pp. 1–11.
Huber, M. T., 1904, “Zur Theorie der Berührung Fester Elastische Körper,” Annalen der Physik, 14 , pp. 153–163.
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Figures

Grahic Jump Location
Maximum equivalent plastic strain in the layer of an elastic-plastic layered medium in contact with a rigid sphere versus residual stress due to sliding for f=0.25 and 0.5
Grahic Jump Location
Maximum first principal stress in the layer of an elastic-plastic layered medium in contact with a rigid sphere versus residual stress due to (a) indentation and unloading, and (b) sliding and unloading for f=0.25 and 0.5
Grahic Jump Location
Symmetry plane (x=0) of three-dimensional finite element mesh used in the indentation and sliding contact simulations. (The inset at the top of the figure shows the refinement of the mesh adjacent to the contact surface.)
Grahic Jump Location
Comparison of finite element and analytical results of (a) von Mises equivalent stress and (b) first principal stress at the surface of an elastic homogeneous medium in contact with a rigid sphere. (The analytical results for f=0 are from Refs. 14, 15 and for f=0.1, 0.25, and 0.5 from Ref. 16.)
Grahic Jump Location
Maximum von Mises equivalent stress and maximum first principal stress versus residual stress for elastic homogeneous half-space subjected to Hertzian contact loading
Grahic Jump Location
Maximum von Mises equivalent stress in the layer of an elastic-plastic layered medium in contact with a rigid sphere versus residual stress due to (a) indentation and unloading, and (b) sliding and unloading for f=0.25 and 0.5
Grahic Jump Location
Maximum von Mises equivalent stress in the substrate of an elastic-plastic layered medium in contact with a rigid sphere versus residual stress due to indentation and sliding followed by unloading for f=0.25 and 0.5
Grahic Jump Location
Maximum equivalent plastic strain in the substrate of an elastic-plastic layered medium in contact with a rigid sphere versus residual stress due to (a) indentation and (b) sliding for f=0.25 and 0.5
Grahic Jump Location
Maximum first principal stress in the substrate of an elastic-plastic layered medium in contact with a rigid sphere versus residual stress due to (a) indentation and unloading, and (b) sliding and unloading for f=0.25 and 0.5
Grahic Jump Location
Comparison of plastic zones (dark regions) in a layered medium due to sliding against a rigid sphere for f=0.25 and σr/p0 equal to (a) 1.88, (b) 1.43, (c) 0.95, (d) 0.49, (e) 0, (f) −0.51, (g) −1.04, and (h) −1.60
Grahic Jump Location
Comparison of plastic zones (dark regions) in a layered medium due to sliding against a rigid sphere for f=0.5 and σr/p0 equal to (a) 1.88, (b) 1.43, (c) 0.95, (d) 0.49, (e) 0, (f ) −0.51, (g) −1.04, and (h) −1.60

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