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Study of thermal and rheological properties of PLA loaded with carbon and halloysite nanotubes for additive manufacturing

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Study of thermal and rheological properties of PLA loaded with carbon and halloysite nanotubes for additive manufacturing

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dc.contributor.author Cobos, Christian Mauricio es_ES
dc.contributor.author Garzón, Luis es_ES
dc.contributor.author López-Martínez, Juan es_ES
dc.contributor.author Fenollar, Octavio es_ES
dc.contributor.author Ferrándiz Bou, Santiago es_ES
dc.date.accessioned 2020-05-29T03:33:25Z
dc.date.available 2020-05-29T03:33:25Z
dc.date.issued 2019-05-13 es_ES
dc.identifier.issn 1355-2546 es_ES
dc.identifier.uri http://hdl.handle.net/10251/144582
dc.description.abstract [EN] Purpose This paper aims to propose using polylactic acid (PLA) as an alternative to nanocomposites in additive manufacturing processes in fusion deposition modelling (FDM) systems and describe its thermal and rheological conditions with multi-wall carbon nanotube (PLA/MWCNT) and halloysite nanotube (PLA/HNT) composites for possible applications in additive manufacturing processes. Design/methodology/approach PLA/MWCNTs and PLA/HNTs were obtained through fusion in a co-rotating twin-screw extruder. PLA was mixed with different percentages of MWCNTs and HNTs at concentrations of 0.5 Wt.%, 0.75 Wt.% and 1 Wt.%. Differential scanning calorimetry (DSC) and capillary rheometry were used to characterise these products, together with an analysis of the melt flow index (MFI). Findings The DSC data revealed that the nanocomposites had a glass transition temperature T-g = 65 +/- 2 degrees C and a melting temperature T-m = 169 +/- 1 degrees C. The crystallisation temperature of PLA/MWCNTs and PLA/HNTs was between 107 +/- 2 degrees C and 129 degrees C, respectively. The viscosity data of PLA/MWCNTs and PLA/HNTs obtained by capillary rheometry indicated that the viscosity of the materials is the same as that of neat PLA. These results were confirmed by the higher fluidity index in the MFI analysis. Originality/value This paper presents an alternative for the applications of nanocomposites in additive manufacturing processes in FDM systems. es_ES
dc.language Inglés es_ES
dc.publisher Emerald es_ES
dc.relation.ispartof Rapid Prototyping Journal es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Carbon nanotubes es_ES
dc.subject Additive manufacturing es_ES
dc.subject 3D printing es_ES
dc.subject Thermal testing es_ES
dc.subject Halloysites nanotubes es_ES
dc.subject Rheological es_ES
dc.subject.classification CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA es_ES
dc.subject.classification INGENIERIA DE LOS PROCESOS DE FABRICACION es_ES
dc.title Study of thermal and rheological properties of PLA loaded with carbon and halloysite nanotubes for additive manufacturing es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1108/RPJ-11-2018-0289 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials es_ES
dc.description.bibliographicCitation Cobos, CM.; Garzón, L.; López-Martínez, J.; Fenollar, O.; Ferrándiz Bou, S. (2019). Study of thermal and rheological properties of PLA loaded with carbon and halloysite nanotubes for additive manufacturing. Rapid Prototyping Journal. 25(4):738-743. https://doi.org/10.1108/RPJ-11-2018-0289 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1108/RPJ-11-2018-0289 es_ES
dc.description.upvformatpinicio 738 es_ES
dc.description.upvformatpfin 743 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 25 es_ES
dc.description.issue 4 es_ES
dc.relation.pasarela S\388540 es_ES
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