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Title: An overview of functionally graded additive manufacturing
Authors: Loh, Giselle Hsiang
Pei, Eujin
Harrison, David
Monzón Verona, Mario D. 
UNESCO Clasification: 3313 Tecnología e ingeniería mecánicas
Keywords: Additive manufacturing
Functionally graded additive manufacturing
Functionally graded materials
Variable-property fabrication
Multi-material printing
Issue Date: 2018
Journal: Additive Manufacturing 
Abstract: Functionally Graded Additive Manufacturing (FGAM) is a layer-by-layer fabrication process that involves gradationally varying the material organisation within a component to achieve an intended function. FGAM establishes a radical shift from contour modelling to performance modelling by having the performance-driven functionality built directly into the material. FGAM can strategically control the density and porosity of the composition or can combine distinct materials to produce a seamless monolithic structure. This paper presents a state-of-art conceptual understanding of FGAM, covering an overview of current techniques that can enable the production of FGAM parts as well as identify current technological limitations and challenges. The possible strategies for overcoming those barriers are presented and recommendations on future design opportunities are discussed.
ISSN: 2214-8604
DOI: 10.1016/j.addma.2018.06.023
Source: Additive Manufacturing [ISSN 2214-8604], v. 23, p. 34-44
Appears in Collections:Reseña
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