Quality of AM implants in biomedical application

Research output: Chapter in Book/Conference proceedings/Edited volumeChapterScientificpeer-review

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Abstract

Additive manufacturing (AM) technologies, particularly those based on powder bed fusion (PBF), most notably, selective laser melting (SLM) for metals, have in recent years emerged as unique fabrication methods for patient-specific implants made of metals and their alloys. The ability to manufacture complex geometries together with the other features of PBF has resulted in successful fabrication of previously unseen functional implants with reliable, reproducible, and predictable properties. The capability of SLM to manufacture a wide range of metals has made this process the most favored one in the manufacturing of implants, mostly for orthopedic applications. As such, it has received tremendous attention from both academia and industry to speed up the achievement of technological maturity, which is demonstrated by the ability to ensure the desired quality of SLM implants and reproducibility in a cost-effective manner. We will, in this chapter, address some of the critical aspects of PBF, particularly those of SLM, including the effects of geometrical design, process parameters, and material type on the quality and properties of AM implants. Finally, we will conclude this chapter with a discussion on the limitations, challenges, and outlook of SLM for implants.

Original languageEnglish
Title of host publicationQuality Analysis of Additively Manufactured Metals
Subtitle of host publicationSimulation Approaches, Processes, and Microstructure Properties
EditorsJavad Kadkhodapour, Siegfried Schmauder, Felix Sajadi
PublisherElsevier
Chapter16
Pages689-743
ISBN (Electronic)978-0-323-88664-2
ISBN (Print)978-0-323-88649-9
DOIs
Publication statusPublished - 2023

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • Additive manufacturing
  • Metallic implants
  • Orthopedic implants
  • Porous implants
  • Selective laser melting
  • Surface quality of AM implants

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