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A model of contact with adhesion of a layered elastic-plastic microsphere with a rigid flat surface / H. Eid in Transactions of the ASME . Journal of tribology, Vol. 133 N° 3 (Juillet 2011) 

Public ISBD [article]  in Transactions of the ASME . Journal of tribology > Vol. 133 N° 3 (Juillet 2011) . - 05 p. Titre : A model of contact with adhesion of a layered elastic-plastic microsphere with a rigid flat surface Type de document : texte imprimé Auteurs : H. Eid, Auteur ; N. Joshi, Auteur ; N. E. McGruer, Auteur Année de publication : 2012 Article en page(s) : 05 p. Note générale : Tribology Langues : Anglais (eng) Mots-clés : Adhesion  Adhesives  Contact  resistance  Durability  Elasticity  Finite  element  analysis  Inclusions  Interference  Lennard-Jones  potential  Plasticity  Ruthenium Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : A finite element model of a layered hemisphere contacting a rigid flat, which includes the effect of adhesion, is developed. In this analysis elastic-plastic material properties were used for each of the materials comprising the layered hemisphere. The inclusion of the effect of adhesion, which was accomplished with the Lennard-Jones potential, required a special procedure. This configuration is of general theoretical interest in the understanding of adhesion. It has also been suggested as a possible design for a microswitch contact because, with an appropriate choice of metals, it has the potential to achieve low adhesion, low contact resistance, and high durability. The effect of the layer thickness on the adhesive contact was investigated. In particular the influences of layer thickness on the pull-off force, maximum contact radius, and contact resistance were determined. The results are presented as load versus interference and contact radius versus interference for loading and unloading from different values of the maximum interference. DEWEY : 621.5 ISSN : 0742-4787 En ligne : http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JOTRE900013 [...] [article] A model of contact with adhesion of a layered elastic-plastic microsphere with a rigid flat surface [texte imprimé] / H. Eid, Auteur ; N. Joshi, Auteur ; N. E. McGruer, Auteur . - 2012 . - 05 p. Tribology Langues : Anglais (eng) in Transactions of the ASME . Journal of tribology > Vol. 133 N° 3 (Juillet 2011) . - 05 p. Mots-clés : Adhesion  Adhesives  Contact  resistance  Durability  Elasticity  Finite  element  analysis  Inclusions  Interference  Lennard-Jones  potential  Plasticity  Ruthenium Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : A finite element model of a layered hemisphere contacting a rigid flat, which includes the effect of adhesion, is developed. In this analysis elastic-plastic material properties were used for each of the materials comprising the layered hemisphere. The inclusion of the effect of adhesion, which was accomplished with the Lennard-Jones potential, required a special procedure. This configuration is of general theoretical interest in the understanding of adhesion. It has also been suggested as a possible design for a microswitch contact because, with an appropriate choice of metals, it has the potential to achieve low adhesion, low contact resistance, and high durability. The effect of the layer thickness on the adhesive contact was investigated. In particular the influences of layer thickness on the pull-off force, maximum contact radius, and contact resistance were determined. The results are presented as load versus interference and contact radius versus interference for loading and unloading from different values of the maximum interference. DEWEY : 621.5 ISSN : 0742-4787 En ligne : http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JOTRE900013 [...]