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The effect of infill density on the fire properties of polylactic acid 3D printed parts: A short communication
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0003-4720-5380
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.
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2022 (engelsk)Inngår i: Polymer testing, ISSN 0142-9418, E-ISSN 1873-2348, Vol. 111, artikkel-id 107594Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The use of 3D printing technology for manufacturing construction materials is gaining popularity, however, only a few studies have reported the fire behavior of such parts. In this research, the fire properties of 3D printed polylactide acid (PLA) parts with varying infill densities along with the tensile properties were analysed. The results from the fire tests showed that increasing the infill density increased the fuel load, which sustained combustion. Hence, the peak heat release rate and total heat release increased with an increment in infill density percentage. It was also observed that the increasing infill density had no effect on the flammability rating of the parts due to the constant shell thickness used for all the parts. In addition, the tensile strength and ductility of the parts increased with density as a porous part is more susceptible to failure than a solid homogeneous part.

sted, utgiver, år, opplag, sider
Elsevier, 2022. Vol. 111, artikkel-id 107594
Emneord [en]
3D printing, Infill density, Fire properties
HSV kategori
Forskningsprogram
Byggkonstruktion
Identifikatorer
URN: urn:nbn:se:ltu:diva-91241DOI: 10.1016/j.polymertesting.2022.107594ISI: 000799991800002Scopus ID: 2-s2.0-85129509953OAI: oai:DiVA.org:ltu-91241DiVA, id: diva2:1669804
Merknad

Validerad;2022;Nivå 2;2022-06-10 (hanlid)

Tilgjengelig fra: 2022-06-15 Laget: 2022-06-15 Sist oppdatert: 2023-09-05bibliografisk kontrollert

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Mensah, Rhoda AfriyieFörsth, MichaelSas, GabrielDas, Oisik

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Mensah, Rhoda AfriyieEdström, David AronssonLundberg, OskarFörsth, MichaelSas, GabrielDas, Oisik
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