On the Mechanical Behaviour of Biosourced Cellular Polymer Manufactured Using Fused Deposition Modelling.
| Title: | On the Mechanical Behaviour of Biosourced Cellular Polymer Manufactured Using Fused Deposition Modelling. |
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| Authors: | Guessasma S; INRAE, UR1268 Biopolymères Interactions Assemblages, F-44300 Nantes, France.; Belhabib S; IUMR CNRS GEPEA, Université de Nantes, Oniris, CNRS, GEPEA, UMR 6144, F-44000 Nantes, France.; Bassir D; Borelli Center, ENS Cachan, CNRS, Université Paris-Saclay, 94235 Cachan, France.; Department of Mechanical Engineering, University Bourgogne Franche Comté (UBFC-UTBM), CNRS/UMR 5060, 90010 Belfort, France.; Department of traffic engineering, Henan Polytechnical University, No.2001 Shijidadao, Jiaozuo 454003, China.; Nouri H; IMT Lille-Douai, 941 rue Charles Bourseul, CS 10838, 59508 Douai, France.; LASEM-ENIS, Universite De Sfax, Sfax 3000, Tunisia.; Gomes S; ICB Laboratory, UMR CNRS 6303, Department COMM, University Bourgogne Franche Comté (UBFC-UTBM), 90010 Belfort, France. |
| Source: | Polymers [Polymers (Basel)] 2020 Nov 11; Vol. 12 (11). Date of Electronic Publication: 2020 Nov 11. |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: MDPI Country of Publication: Switzerland NLM ID: 101545357 Publication Model: Electronic Cited Medium: Internet ISSN: 2073-4360 (Electronic) Linking ISSN: 20734360 NLM ISO Abbreviation: Polymers (Basel) Subsets: PubMed not MEDLINE |
| Imprint Name(s): | Original Publication: Basel : MDPI |
| Abstract: | The aim of this study is to investigate on the compression performance of cellular Polylactic Acid (PLA) manufacturing while using Fused Deposition Modelling. Computer Aided Design (CAD) models of cellular structures are designed using the sequential addition of spherical voids with porosity content varying from 10% to 60%. The three-dimensional (3D) microstructures of cellular PLA are characterised using X-ray micro-tomography to retrieve the correlation between the process-induced defects and the cellular geometrical properties. Mechanical testing is performed under severe compression conditions allowing for the reduction in sample height up to 80%. Finite element computation that is based on real microstructures is used in order to evaluate the effect of defects on the compression performance. The results show a significant drop of the process-induced defects thanks to the use of small layer thickness. Both mechanical anisotropy and performance loss are reduced due to vanishing process-induced defects more significantly when the amount of intended porosities is large. The compression behaviour of 3D printed PLA cellular structures is then found to be only guided by the amount and distribution of the intended porosity. |
| Grant Information: | 4202 SFR IBSM |
| Contributed Indexing: | Keywords: Polylactic acid; X-ray micro-tomography; cellular structure; compression performance; finite element computation; fused deposition modelling |
| Entry Date(s): | Date Created: 20201114 Latest Revision: 20201129 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC7697263 |
| DOI: | 10.3390/polym12112651 |
| PMID: | 33187093 |
| Database: | MEDLINE |
Journal Article