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Appl. Sci. 2018, 8(7), 1113; https://doi.org/10.3390/app8071113

Case Study of a Functionally Graded Aluminum Part

1
Department of Applied Science and Technology (DISAT), Politecnico di Torino, Viale T. Michel 5, 15121 Alessandria, Italy
2
Fonderie Officine Meccaniche Tonno (F.O.M.T) S.p.A., Viale Lidice, 8, Grugliasco, 10095 Torino, Italy
3
Department of Applied Science and Technology (DISAT), Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
*
Author to whom correspondence should be addressed.
Received: 31 May 2018 / Revised: 28 June 2018 / Accepted: 5 July 2018 / Published: 10 July 2018
(This article belongs to the Special Issue Mechanical Behaviour of Aluminium Alloys)
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Abstract

The growing interest in aluminum alloys is due to the excellent ductility and mechanical strength, especially in relation with their lightness. These properties make aluminum alloys one of the most used and competitive materials in the automotive sectors. In fact, at the present day, automotive components must guarantee high mechanical and thermal properties in order to ensure low emissions of the vehicle. Despite that, harsh operating conditions can lead to a rupture in aluminum components, especially if subjected to both thermal and mechanical loads. In this panorama, aluminum functionally graded materials (FGMs) could be introduced, in order to produce a single piece with different properties that fulfill all the piece requirements. In this work, considering the typical application of the aluminum alloys as engine pistons, FGMs are realized by sequential gravity casting with the piston alloy EN AB 48000 and the alloy EN AB 42100. Tensile tests on these bi-metal parts give good results in terms of mechanical strength, elongation rates and alloys bonding. View Full-Text
Keywords: aluminum FGM; gravity casting; sequential casting; mechanical properties aluminum FGM; gravity casting; sequential casting; mechanical properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Fracchia, E.; Lombardo, S.; Rosso, M. Case Study of a Functionally Graded Aluminum Part. Appl. Sci. 2018, 8, 1113.

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