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Desplazamiento de la zona no deslizante del contacto en fretting fatiga con contacto esférico y carga axial

Authors: Navarro Pintado, Carlos; Domínguez Abascal, Jaime;

Desplazamiento de la zona no deslizante del contacto en fretting fatiga con contacto esférico y carga axial

Abstract

Este artículo analiza las condiciones de contacto y las tensiones producidas durante un ensayo de fretting fatiga con carga axial utilizando un puente de fretting y elementos de contacto esférico. Este análisis tiene en cuenta el desplazamiento de la zona no deslizante producido por la tensión axial a la que se somete la probeta. Describe una aproximación analítica para calcular el tensor de tensiones bajo la zona de contacto incluyendo el efecto de este desplazamiento. Finalmente, se hace una comparación entre las tensiones que se obtienen con esta aproximación y las calculadas con la aproximación de MindlinCattaneo que no tiene en cuenta el efecto de la tensión axial.

This paper analyses the contact conditions and stresses induced during fretting fatigue tests of uniaxial specimens using fretting bridges with spherical-tip contact pads. This analysis considers the displacement of the stick zone induced by the variable bulk stress applied to the specimen. lt describes an approach to, analitically, calculate the stress tensor under the contact zone including this stick zone displacement. Finally, the analitically calculated stresses are compared to those obtained using the classical Mindlin-Cattaneo approach which does not consider the bulk stress.

Country
Spain
Related Organizations
Keywords

Contacto esférico, Fretting fatiga, Carga axial

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green