List of Journal Publications
2020
1.
Salehani, M. Khajeh, Dokkum, J. S., Irani, N., Nicola, L.
On the load-area relation in rough adhesive contacts Journal Article
In: TRIBOLOGY INTERNATIONAL, vol. 144, 2020.
Abstract | BibTeX | Tags: Adhesion, Cohesive-zone model, Contact area and load, Self-affine roughness | Links:
@article{KhajehSalehani2020,
title = {On the load-area relation in rough adhesive contacts},
author = {M. Khajeh Salehani and J. S. Dokkum and N. Irani and L. Nicola},
doi = {10.1016/j.triboint.2019.106099},
year = {2020},
date = {2020-01-01},
journal = {TRIBOLOGY INTERNATIONAL},
volume = {144},
publisher = {Elsevier Ltd},
abstract = {It is well established that, at small loads, a linear relation exists between contact area and reduced pressure for elastic bodies with non-adhesive rough surfaces. In the case of adhesive contacts, however, there is not yet a general consensus on whether or not linearity still holds. In this work evidence is provided, through numerical simulations, that the relation is non-linear. The simulations here presented can accurately describe contact between self-affine adhesive rough surfaces, since they rely on Green's function molecular dynamics to describe elastic deformation and on coupled phenomenological traction-separation laws for the interfacial interactions. The analysis is performed for two-dimensional compressible and incompressible bodies under plane strain conditions. Interfaces with various roughness parameters and work of adhesion are considered.},
keywords = {Adhesion, Cohesive-zone model, Contact area and load, Self-affine roughness},
pubstate = {published},
tppubtype = {article}
}
It is well established that, at small loads, a linear relation exists between contact area and reduced pressure for elastic bodies with non-adhesive rough surfaces. In the case of adhesive contacts, however, there is not yet a general consensus on whether or not linearity still holds. In this work evidence is provided, through numerical simulations, that the relation is non-linear. The simulations here presented can accurately describe contact between self-affine adhesive rough surfaces, since they rely on Green's function molecular dynamics to describe elastic deformation and on coupled phenomenological traction-separation laws for the interfacial interactions. The analysis is performed for two-dimensional compressible and incompressible bodies under plane strain conditions. Interfaces with various roughness parameters and work of adhesion are considered.
