VAT PHOTOPOLYMERIZATION ASSISTED ADDITIVE MANUFACTURING OF TITANIUM SCAFFOLDS

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F26%3A0201023" target="_blank" >RIV/00216305:26620/26:0201023 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.confer.cz/metal/2024/4913-vat-photopolymerization-assisted-additive-manufacturing-of-titanium-scaffolds" target="_blank" >https://www.confer.cz/metal/2024/4913-vat-photopolymerization-assisted-additive-manufacturing-of-titanium-scaffolds</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.37904/metal.2024.4913" target="_blank" >10.37904/metal.2024.4913</a>

Jazyk výsledku

angličtina

Název v původním jazyce

VAT PHOTOPOLYMERIZATION ASSISTED ADDITIVE MANUFACTURING OF TITANIUM SCAFFOLDS

Popis výsledku v původním jazyce

Additive manufacturing of titanium and its alloys traditionally relies on powder bed fusion techniques, which consume substantial energy. Vat photopolymerization additive manufacturing offers design flexibility similar to powder bed fusion techniques, improved resolution, and a notable reduction in energy consumption. This method involves selectively polymerizing a photosensitive resin by projecting light images of the desired cross-section. While commonly used for polymers and, to a lesser extent, ceramics, its application to produce metallic objects has been restricted due to light scattering hindering resin polymerization. This study initially explores vat photopolymerization and debinding of two commercial resins and their slurries with titanium powder. Secondly, vat photopolymerization was employed to fabricate polymeric porous templates, which were impregnated with a titanium slurry, followed by thermal removal of the template and sintering to consolidate the titanium structure. Faithful replicates of the polymeric template were achieved, demonstrating the potential to create intricate porous titanium structures. To achieve this, optimization of the solid fraction of titanium in the slurry and a refined debinding process are essential to reduce significant shrinkage and prevent chemical contamination during sintering.

Název v anglickém jazyce

VAT PHOTOPOLYMERIZATION ASSISTED ADDITIVE MANUFACTURING OF TITANIUM SCAFFOLDS

Popis výsledku anglicky

Additive manufacturing of titanium and its alloys traditionally relies on powder bed fusion techniques, which consume substantial energy. Vat photopolymerization additive manufacturing offers design flexibility similar to powder bed fusion techniques, improved resolution, and a notable reduction in energy consumption. This method involves selectively polymerizing a photosensitive resin by projecting light images of the desired cross-section. While commonly used for polymers and, to a lesser extent, ceramics, its application to produce metallic objects has been restricted due to light scattering hindering resin polymerization. This study initially explores vat photopolymerization and debinding of two commercial resins and their slurries with titanium powder. Secondly, vat photopolymerization was employed to fabricate polymeric porous templates, which were impregnated with a titanium slurry, followed by thermal removal of the template and sintering to consolidate the titanium structure. Faithful replicates of the polymeric template were achieved, demonstrating the potential to create intricate porous titanium structures. To achieve this, optimization of the solid fraction of titanium in the slurry and a refined debinding process are essential to reduce significant shrinkage and prevent chemical contamination during sintering.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/GA23-07879S" target="_blank" >GA23-07879S: Výzkum vlivu nitridace na únavové chování aditivně vyrobených titanových hierarchických porézních struktur</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

METAL-Conference Proceedings

ISBN

978-80-88365-21-1

ISSN

—

e-ISSN

2694-9296

Počet stran výsledku

6

Strana od-do

414-419

Název nakladatele

Tanger Ltd

Místo vydání

SLEZSKA

Místo konání akce

Brno

Datum konání akce

22. 5. 2024

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

001658866300066