Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties

Purpose: The extrusion-based additive manufacturing method followed by debinding and sintering steps can produce metal parts efficiently at a relatively low cost and material wastage. In this study, 316L stainless-steel metal filled filaments were used to print metal parts using the extrusion-based...

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Autores: Caminero Torija, Miguel Ángel, Romero Gutiérrez, Ana, Chacón Muñoz, Jesús Miguel, García Plaza, Eustaquio, Núñez López, Pedro José
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/32978
Acceso en línea:https://hdl.handle.net/10578/32978
Access Level:acceso abierto
Palabra clave:Additive manufacturing
Porosity
Fused filament fabrication
Dimensional accuracy
Mechanical characterization
316L austenitic stainless-steel
Process parameters
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spelling Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical propertiesCaminero Torija, Miguel ÁngelRomero Gutiérrez, AnaChacón Muñoz, Jesús MiguelGarcía Plaza, EustaquioNúñez López, Pedro JoséAdditive manufacturingPorosityFused filament fabricationDimensional accuracyMechanical characterization316L austenitic stainless-steelProcess parametersPurpose: The extrusion-based additive manufacturing method followed by debinding and sintering steps can produce metal parts efficiently at a relatively low cost and material wastage. In this study, 316L stainless-steel metal filled filaments were used to print metal parts using the extrusion-based fused filament fabrication (FFF) approach. The purpose of this study is to assess the effects of common FFF printing parameters on the geometric and mechanical performance of FFF manufactured 316L stainless-steel components. Design/methodology/approach: The microstructural characteristics of the metal filled filament, three-dimensional (3D) printed green parts and final sintered parts were analysed. In addition, the dimensional accuracy of the green parts was evaluated, as well as the hardness, tensile properties, relative density, part shrinkage and the porosity of the sintered samples. Moreover, surface quality in terms of surface roughness after sintering was assessed. Predictive models based on artificial neural networks (ANNs) were used for characterizing dimensional accuracy, shrinkage, surface roughness and density. Additionally, the response surface method based on ANNs was applied to represent the behaviour of these parameters and to identify the optimum 3D printing conditions. Findings: The effects of the FFF process parameters such as build orientation and nozzle diameter were significant. The pore distribution was strongly linked to the build orientation and printing strategy. Furthermore, porosity decreased with increased nozzle diameter, which increased mechanical performance. In contrast, lower nozzle diameters achieved lower roughness values and average deviations. Thus, it should be noted that the modification of process parameters to achieve greater geometrical accuracy weakened mechanical performance. Originality/value: Near-dense 316L austenitic stainless-steel components using FFF technology were successfully manufactured. This study provides print guidelines and further information regarding the impact of FFF process parameters on the mechanical, microstructural and geometric performance of 3D printed 316L components.Emerald Group Publishing LTD202420242022info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttps://hdl.handle.net/10578/32978reponame:RUIdeRA. Repositorio Institucional de la UCLMinstname:Universidad de Castilla-La ManchaInglésPID2019–104586RB-I00 funded by MCIN/AEI/10.13039/501100011033SBPLY/19/180501/000247SBPLY/19/180501/000247SBPLY/19/180501/000170info:eu-repo/semantics/openAccessoai:ruidera.uclm.es:10578/329782026-05-27T07:36:41Z
dc.title.none.fl_str_mv Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
title Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
spellingShingle Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
Caminero Torija, Miguel Ángel
Additive manufacturing
Porosity
Fused filament fabrication
Dimensional accuracy
Mechanical characterization
316L austenitic stainless-steel
Process parameters
title_short Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
title_full Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
title_fullStr Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
title_full_unstemmed Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
title_sort Effects of fused filament fabrication parameters on the manufacturing of 316L stainless-steel components: geometric and mechanical properties
dc.creator.none.fl_str_mv Caminero Torija, Miguel Ángel
Romero Gutiérrez, Ana
Chacón Muñoz, Jesús Miguel
García Plaza, Eustaquio
Núñez López, Pedro José
author Caminero Torija, Miguel Ángel
author_facet Caminero Torija, Miguel Ángel
Romero Gutiérrez, Ana
Chacón Muñoz, Jesús Miguel
García Plaza, Eustaquio
Núñez López, Pedro José
author_role author
author2 Romero Gutiérrez, Ana
Chacón Muñoz, Jesús Miguel
García Plaza, Eustaquio
Núñez López, Pedro José
author2_role author
author
author
author
dc.subject.none.fl_str_mv Additive manufacturing
Porosity
Fused filament fabrication
Dimensional accuracy
Mechanical characterization
316L austenitic stainless-steel
Process parameters
topic Additive manufacturing
Porosity
Fused filament fabrication
Dimensional accuracy
Mechanical characterization
316L austenitic stainless-steel
Process parameters
description Purpose: The extrusion-based additive manufacturing method followed by debinding and sintering steps can produce metal parts efficiently at a relatively low cost and material wastage. In this study, 316L stainless-steel metal filled filaments were used to print metal parts using the extrusion-based fused filament fabrication (FFF) approach. The purpose of this study is to assess the effects of common FFF printing parameters on the geometric and mechanical performance of FFF manufactured 316L stainless-steel components. Design/methodology/approach: The microstructural characteristics of the metal filled filament, three-dimensional (3D) printed green parts and final sintered parts were analysed. In addition, the dimensional accuracy of the green parts was evaluated, as well as the hardness, tensile properties, relative density, part shrinkage and the porosity of the sintered samples. Moreover, surface quality in terms of surface roughness after sintering was assessed. Predictive models based on artificial neural networks (ANNs) were used for characterizing dimensional accuracy, shrinkage, surface roughness and density. Additionally, the response surface method based on ANNs was applied to represent the behaviour of these parameters and to identify the optimum 3D printing conditions. Findings: The effects of the FFF process parameters such as build orientation and nozzle diameter were significant. The pore distribution was strongly linked to the build orientation and printing strategy. Furthermore, porosity decreased with increased nozzle diameter, which increased mechanical performance. In contrast, lower nozzle diameters achieved lower roughness values and average deviations. Thus, it should be noted that the modification of process parameters to achieve greater geometrical accuracy weakened mechanical performance. Originality/value: Near-dense 316L austenitic stainless-steel components using FFF technology were successfully manufactured. This study provides print guidelines and further information regarding the impact of FFF process parameters on the mechanical, microstructural and geometric performance of 3D printed 316L components.
publishDate 2022
dc.date.none.fl_str_mv 2022
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10578/32978
url https://hdl.handle.net/10578/32978
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv PID2019–104586RB-I00 funded by MCIN/AEI/10.13039/501100011033
SBPLY/19/180501/000247
SBPLY/19/180501/000247
SBPLY/19/180501/000170
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Emerald Group Publishing LTD
publisher.none.fl_str_mv Emerald Group Publishing LTD
dc.source.none.fl_str_mv reponame:RUIdeRA. Repositorio Institucional de la UCLM
instname:Universidad de Castilla-La Mancha
instname_str Universidad de Castilla-La Mancha
reponame_str RUIdeRA. Repositorio Institucional de la UCLM
collection RUIdeRA. Repositorio Institucional de la UCLM
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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