Additive manufacturing technology for porous metal implant applications and triple minimal surface structures: A review

Yuan, L, Ding, S and Wen, C 2019, 'Additive manufacturing technology for porous metal implant applications and triple minimal surface structures: A review', Bioactive Materials, vol. 4, no. 1, pp. 56-70.


Document type: Journal Article
Collection: Journal Articles

Title Additive manufacturing technology for porous metal implant applications and triple minimal surface structures: A review
Author(s) Yuan, L
Ding, S
Wen, C
Year 2019
Journal name Bioactive Materials
Volume number 4
Issue number 1
Start page 56
End page 70
Total pages 15
Publisher KeAi Communications
Abstract Recently, the fabrication methods of orthopedic implants and devices have been greatly developed. Additive manufacturing technology allows the production of complex structures with bio-mimicry features, and has the potential to overcome the limitations of conventional fabrication methods. This review explores open-cellular structural design for porous metal implant applications, in relation to the mechanical properties, biocompatibility, and biodegradability. Several types of additive manufacturing techniques including selective laser sintering, selective laser melting, and electron beam melting, are discussed for different applications. Additive manufacturing through powder bed fusion shows great potential for the fabrication of high-quality porous metal implants. However, the powder bed fusion technique still faces two major challenges: it is high cost and time-consuming. In addition, triply periodic minimal surface (TPMS) structures are also analyzed in this paper, targeting the design of metal implants with an enhanced biomorphic environment.
Subject Metals and Alloy Materials
Biomaterials
Keyword(s) Additive manufacturing
Porosity
Powder bed fusion
TPMS structures
DOI - identifier 10.1016/j.bioactmat.2018.12.003
Copyright notice © 2018 KeAi Communications. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/ BY-NC-ND/ 4.0/ ).
ISSN 2452-199X
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