Please use this identifier to cite or link to this item:
https://doi.org/10.3390/ma14061376
DC Field | Value | |
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dc.title | Post-processing and surface characterization of additively manufactured stainless steel 316l lattice: implications for biomedical use | |
dc.contributor.author | Teo, Alex Quok An | |
dc.contributor.author | Yan, Lina | |
dc.contributor.author | Chaudhari, Akshay | |
dc.contributor.author | O’neill, G.K. | |
dc.date.accessioned | 2022-10-12T08:08:52Z | |
dc.date.available | 2022-10-12T08:08:52Z | |
dc.date.issued | 2021-03-12 | |
dc.identifier.citation | Teo, Alex Quok An, Yan, Lina, Chaudhari, Akshay, O’neill, G.K. (2021-03-12). Post-processing and surface characterization of additively manufactured stainless steel 316l lattice: implications for biomedical use. Materials 14 (6) : Jan-23. ScholarBank@NUS Repository. https://doi.org/10.3390/ma14061376 | |
dc.identifier.issn | 1996-1944 | |
dc.identifier.uri | https://scholarbank.nus.edu.sg/handle/10635/232502 | |
dc.description.abstract | Additive manufacturing of stainless steel is becoming increasingly accessible, allowing for the customisation of structure and surface characteristics; there is little guidance for the post-processing of these metals. We carried out this study to ascertain the effects of various combinations of post-processing methods on the surface of an additively manufactured stainless steel 316L lattice. We also characterized the nature of residual surface particles found after these processes via energy-dispersive X-ray spectroscopy. Finally, we measured the surface roughness of the post-processing lattices via digital microscopy. The native lattices had a predictably high surface roughness from partially molten particles. Sandblasting effectively removed this but damaged the surface, intro-ducing a peel-off layer, as well as leaving surface residue from the glass beads used. The addition of either abrasive polishing or electropolishing removed the peel-off layer but introduced other surface deficiencies making it more susceptible to corrosion. Finally, when electropolishing was performed after the above processes, there was a significant reduction in residual surface particles. The constitution of the particulate debris as well as the lattice surface roughness following each post-processing method varied, with potential implications for clinical use. The work provides a good base for future development of post-processing methods for additively manufactured stainless steel. © 2021 by the authors. Licensee MDPI, Basel, Switzerland. | |
dc.publisher | MDPI AG | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Scopus OA2021 | |
dc.subject | Additive manufacturing | |
dc.subject | Biomedical implants | |
dc.subject | Post-processing | |
dc.subject | Stainless steel 316L | |
dc.subject | Surface residue | |
dc.type | Article | |
dc.contributor.department | MECHANICAL ENGINEERING | |
dc.description.doi | 10.3390/ma14061376 | |
dc.description.sourcetitle | Materials | |
dc.description.volume | 14 | |
dc.description.issue | 6 | |
dc.description.page | Jan-23 | |
Appears in Collections: | Elements Staff Publications |
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