A numerical solution is presented for a single load-unload cycle of an adhesive contact between an elastic-plastic sphere and a rigid flat. The interacting forces between the sphere and the flat are obtained through connecting non-linear spring elements having force-displacement behavior that obeys the Lennard-Jones potential. Linear kinematic hardening (with tangent modulus of 2% and 5% of the Young’s modulus) rather than isotropic hardening is assumed for the sphere material to account for possible secondary plastification during the unloading. The well known Tabor parameter and a plasticity parameter are shown to be the two main dimensionless parameters governing the problem. The effects of these two parameters on the load-approach curves, on the plastically deformed sphere profiles and on the plastic strain fields inside the sphere are presented, showing different modes of separation during the unloading.
Skip Nav Destination
ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis
July 7–9, 2008
Haifa, Israel
Conference Sponsors:
- International
ISBN:
978-0-7918-4837-1
PROCEEDINGS PAPER
Loading-Unloading of an Elastic-Plastic Adhesive Spherical Contact Available to Purchase
Yuri Kadin,
Yuri Kadin
Technion-Israel Institute of Technology, Haifa, Israel
Search for other works by this author on:
Yuri Kligerman,
Yuri Kligerman
Technion-Israel Institute of Technology, Haifa, Israel
Search for other works by this author on:
Izhak Etsion
Izhak Etsion
Technion-Israel Institute of Technology, Haifa, Israel
Search for other works by this author on:
Yuri Kadin
Technion-Israel Institute of Technology, Haifa, Israel
Yuri Kligerman
Technion-Israel Institute of Technology, Haifa, Israel
Izhak Etsion
Technion-Israel Institute of Technology, Haifa, Israel
Paper No:
ESDA2008-59089, pp. 377-383; 7 pages
Published Online:
July 6, 2009
Citation
Kadin, Y, Kligerman, Y, & Etsion, I. "Loading-Unloading of an Elastic-Plastic Adhesive Spherical Contact." Proceedings of the ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. Volume 3: Design; Tribology; Education. Haifa, Israel. July 7–9, 2008. pp. 377-383. ASME. https://doi.org/10.1115/ESDA2008-59089
Download citation file:
13
Views
Related Proceedings Papers
Iwan Models and Their Provenance
IDETC-CIE2012
Related Articles
Contact Pressure and Residual Strain in 3D Elasto-Plastic Rolling Contact for a Circular or Elliptical Point Contact
J. Tribol (October,2011)
Inelastic Analysis of Nonaxisymmetrically Heated Thick Cylindrical Shells
J. Pressure Vessel Technol (August,1979)
A Simple Model for Stable Cyclic Stress-Strain Relationship of Type 304 Stainless Steel Under Nonproportional Loading
J. Eng. Mater. Technol (January,2000)
Related Chapters
Estimation of K Ic from Slow Bend Precracked Charpy Specimen Strength Ratios
Developments in Fracture Mechanics Test Methods Standardization
Supports
Process Piping: The Complete Guide to ASME B31.3, Third Edition
Supports
Process Piping: The Complete Guide to ASME B31.3, Fourth Edition