Design, simulation and manufacturing of a connecting rod from ultra-fine grained material and isothermal forging
Fecha
2016Autor
Versión
Acceso abierto / Sarbide irekia
Tipo
Artículo / Artikulua
Versión
Versión publicada / Argitaratu den bertsioa
Impacto
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10.1016/j.jmapro.2015.11.005
Resumen
In this research work, a study on the mechanical properties of isothermal forging for connecting rods is
made from previously ECAP (Equal Channel Angular Pressing)-processed AA1050 and AA5083 aluminium
alloys. This severe plastic deformation (SPD) process is used in order to achieve a starting material with
a submicrometric structure, thus improving the mechanical properties of the part. In th ...
[++]
In this research work, a study on the mechanical properties of isothermal forging for connecting rods is
made from previously ECAP (Equal Channel Angular Pressing)-processed AA1050 and AA5083 aluminium
alloys. This severe plastic deformation (SPD) process is used in order to achieve a starting material with
a submicrometric structure, thus improving the mechanical properties of the part. In this study, the
design and the experimentation process is shown, where this involves the design stage by finite element
simulations, the experimental tests and the use of metallographic techniques for the required properties
to be analysed. Itis observed thatthere is an improvementin the mechanical properties when the starting
material is ECAP-processed before carrying out the isothermal forging. This improvement consists in an
increase of 20% in the hardness of the final connecting rod which also possesses a microstructure grain
size of 500 nm. To come to these conclusions,the results obtained with the connecting rods manufactured
by isothermal forging from previously ECAP-processed material are compared with those conventionally
manufactured. Therefore,the feasibility and the advantages ofthe industrialmanufacturing ofmechanical
components by isothermal forging from ECAP-processed material are demonstrated here as mechanical
properties are achieved, as well as a better flow of the material and at a lower forging temperature. In
the existing bibliography, there are no research works dealing with the manufacturing of connecting
rods from ultra-fine grained material and that is the reason why this present study is considered to be of
scientific and technological interest, and therefore, it may be considered to be at the frontline of current
knowledge. [--]
Materias
Isothermal forging,
FEM,
ECAP,
SPD
Editor
Elsevier
Publicado en
Journal of Manufacturing Processes 21 (2016) 56–68
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 Ministry of Economy and Competitiveness from Spain, through the Research Projects DPI2010-18941 and DPI2013-41954-P.