Adhesive contact between flat punches with finite edge radius and an elastic half-space
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Lifeng Ma
, Robert McMeeking und Eduard Arzt
Abstract
In this paper, the adhesive contact of elastic solids with flat surfaces with an edge radius is studied within the framework of Johnson – Kendall – Roberts theory. Solutions are obtained for the stresses at the contacting surfaces and for the relative displacement of the two bodies due to adhesion and applied load. Results are given for flat-ended punches with rounded edges of small radius to nearly spherical objects with small flat areas (truncated spheres) on their surfaces. The classical Johnson – Kendall – Roberts-model for adhesion and contact between spherical surfaces arises as a limiting case of the results. The pull-off force between the adhering bodies is deduced for the flat-surfaced geometries studied. For small flats, the numerical solutions are similar to the classical Johnson – Kendall – Roberts solution for a sphere.
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© 2007, Carl Hanser Verlag, München
Artikel in diesem Heft
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- Notifications
- DGM News
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Professor Dr. phil. Dr. techn. e. h. Hellmut F. Fischmeister
- Basic
- Compressive deformation of lamellar microstructures – a short review
- Influence of external and internal length scale on the flow stress of copper
- Spinodal decomposition of cubic Ti1−xAlxN: Comparison between experiments and modeling
- Combined ab-initio and N-K, Ti-L2,3, V-L2,3 electron energy-loss near edge structure studies for TiN and VN films
- Gold-enhanced oxidation of silicon nanowires
- Numerical determination of parameterised failure curves for ductile structural materials
- Relaxation of semiconductor nanostructures using molecular dynamics with analytic bond order potentials*
- Examination of phase transformations in the system Fe–N–C by means of nitrocarburising reactions and secondary annealing experiments; the α + ∊ two-phase equilibrium
- Applied
- On the evolution of secondary hardening carbides in a high-speed steel characterised by APFIM and SANS
- Silicon nitride tools for hot rolling of high-alloyed steel and superalloy wires – load analysis and first practical tests
- Development of the unloading stiffness during cyclic plastic deformation of a high-strength aluminium alloy in different tempers
- Enhanced thermal stability of a cobalt–boron carbide nanocomposite by ion-implantation
- Experimental studies and thermodynamic simulation of phase transformations in high Nb containing γ-TiAl based alloys
- Kinetics of nanoscale structure development during Mg-vapour reduction of tantalum oxide
- On the interaction of ductile damage and materials softening of a Ni-base alloy during hot deformation
- Adhesive contact between flat punches with finite edge radius and an elastic half-space
- Notifications
- DGM News