Analysis of fatigue and wear behaviour in ultrafine grained connecting rods
Fecha
2017Autor
Versión
Acceso abierto / Sarbide irekia
Tipo
Artículo / Artikulua
Versión
Versión publicada / Argitaratu den bertsioa
Impacto
|
10.3390/met7080289
Resumen
Over the last few years there has been an increasing interest in the study and development
of processes that make it possible to obtain ultra-fine grained materials. Although there exists
a large number of published works related to the improvement of the mechanical properties in
these materials, there are only a few studies that analyse their in-service behaviour (fatigue and
wear). In order ...
[++]
Over the last few years there has been an increasing interest in the study and development
of processes that make it possible to obtain ultra-fine grained materials. Although there exists
a large number of published works related to the improvement of the mechanical properties in
these materials, there are only a few studies that analyse their in-service behaviour (fatigue and
wear). In order to bridge the gap, in this present work, the fatigue and wear results obtained for
connecting rods manufactured by using two different aluminium alloys (AA5754 and AA5083)
previously deformed by severe plastic deformation (SPD), using Equal Channel Angular Pressing
(ECAP), in order to obtain the ultrafine grain size in the processed materials are shown. For both
aluminium alloys, two initial states were studied: annealed and ECAPed. The connecting rods were
manufactured from the previously processed materials by using isothermal forging. Fatigue and wear
experiments were carried out in order to characterize the in-service behaviour of the components.
A comparative study of the results was made for both initial states of the materials. Furthermore,
Finite Element Modelling (FEM) simulations were used in order to compare experimental results
with those obtained from simulations. In addition, dimensional wear coefficients were found for
each of the aluminium alloys and initial deformation states. This research work aims to progress the
knowledge of the behaviour of components manufactured from ultrafine grain materials. [--]
Materias
Fatigue,
Wear,
ECAP,
FEM
Editor
MDPI
Publicado en
Metals 2017, 7(8), 289
Departamento
Universidad Pública de Navarra. Departamento de Ingeniería Mecánica, Energética y de Materiales /
Nafarroako Unibertsitate Publikoa. Mekanika, Energetika eta Materialen Ingeniaritza Saila
Versión del editor
Entidades Financiadoras
The authors of this present research work acknowledge the support given by the Spanish
Ministry of Economy, Industry and Competitiveness (former Spanish Ministry of Economy and Competitiveness)
through the Research Project DPI2013-41954-P.