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research-article

Additive Manufacturing of Functionally Graded Objects: A Review

[+] Author and Article Information
Binbin Zhang

Manufacturing and Design (MAD) Lab, Department of Mechanical and Aersopace Engineering, University at Buffalo (UB)-SUNY, 318 Jarvis Hall, Buffalo, NY-14260
bzhang25@buffalo.edu

Prakhar Jaiswal

Manufacturing and Design (MAD) Lab, Department of Mechanical and Aersopace Engineering, University at Buffalo (UB)-SUNY, 318 Jarvis Hall, Buffalo, NY-14260
prakharj@buffalo.edu

Rahul Rai

Manufacturing and Design (MAD) Lab, Department of Mechanical and Aersopace Engineering, University at Buffalo (UB)-SUNY, 318 Jarvis Hall, Buffalo, NY-14260
rahulrai@buffalo.edu

Saigopal Nelaturi

Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, CA-94304
saigopal.nelaturi@parc.com

1Corresponding author.

ASME doi:10.1115/1.4039683 History: Received August 20, 2017; Revised March 15, 2018

Abstract

Functionally graded materials (FGM) have recently attracted a lot of research attention in the wake of the recent prominence of additive manufacturing (AM) technologies. The continuously varying spatial composition profile of two or more materials affords FGM to simultaneously possess properties of multiple different materials. Emerging AM technologies enables manufacturing complex shapes with customized multifunctional material properties in an additive fashion. In this paper, we focus on providing an overview of research at the intersection of AM techniques and FGM objects. We specifically discuss FGM modeling representation schemes and outline a classification system to classify existing FGM representation methods. We also highlight the key aspects such as the part orientation, slicing, and path planning processes that are essential for fabricating FGM object through the use of multi-material AM techniques.

Copyright (c) 2018 by ASME
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