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J. Manuf. Mater. Process. 2017, 1(2), 13; doi:10.3390/jmmp1020013

Lattice Structures and Functionally Graded Materials Applications in Additive Manufacturing of Orthopedic Implants: A Review

Department of Mechanical Engineering, McMaster University, Hamilton, ON L8S 4L7, Canada
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Received: 13 September 2017 / Revised: 29 September 2017 / Accepted: 30 September 2017 / Published: 12 October 2017
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Abstract

A major advantage of additive manufacturing (AM) technologies is the ability to print customized products, which makes these technologies well suited for the orthopedic implants industry. Another advantage is the design freedom provided by AM technologies to enhance the performance of orthopedic implants. This paper presents a state-of-the-art overview of the use of AM technologies to produce orthopedic implants from lattice structures and functionally graded materials. It discusses how both techniques can improve the implants’ performance significantly, from a mechanical and biological point of view. The characterization of lattice structures and the most recent finite element analysis models are explored. Additionally, recent case studies that use functionally graded materials in biomedical implants are surveyed. Finally, this paper reviews the challenges faced by these two applications and suggests future research directions required to improve their use in orthopedic implants. View Full-Text
Keywords: additive manufacturing; orthopedic implants; lattice structures; finite element modelling; functionally graded material additive manufacturing; orthopedic implants; lattice structures; finite element modelling; functionally graded material
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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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Mahmoud, D.; Elbestawi, M.A. Lattice Structures and Functionally Graded Materials Applications in Additive Manufacturing of Orthopedic Implants: A Review. J. Manuf. Mater. Process. 2017, 1, 13.

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