On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid Pieces
Nowadays, improvement of the surface finish of parts manufactured by fused deposition modelling is a well-studied topic. Chemical post-treatments have proven to be the best technique in terms of time consumption and smoothness improvement. However, these treatments modify the structure of the materi...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2020-04-01
|
| Series: | Polymers |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2073-4360/12/4/941 |
| _version_ | 1797570283068981248 |
|---|---|
| author | A.P. Valerga S.R. Fernandez-Vidal F. Girot A.J. Gamez |
| author_facet | A.P. Valerga S.R. Fernandez-Vidal F. Girot A.J. Gamez |
| author_sort | A.P. Valerga |
| collection | DOAJ |
| description | Nowadays, improvement of the surface finish of parts manufactured by fused deposition modelling is a well-studied topic. Chemical post-treatments have proven to be the best technique in terms of time consumption and smoothness improvement. However, these treatments modify the structure of the material and, consequently, its mechanical properties. This relationship was studied in this work. In this case, on the basis of a previous study on crystallisation, polylactic acid pieces were subjected to different post-treatments to evaluate their effects on the sample’s mechanical properties, i.e., tensile strength and hardness. Models were obtained according to their percentage of crystallisation, which was related to the different treatments, as well as immersion time. Dramatic changes were obtained within a wide range of material behaviour with some treatments. Specifically, changes were obtained in the maximum stress (from 55 to 20 MPa), in elongation (from 3% to 260%), and in the hardness scale (Shore D to A). |
| first_indexed | 2024-03-10T20:23:42Z |
| format | Article |
| id | doaj.art-e5d5af378c5a44d2a24293621047f703 |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-10T20:23:42Z |
| publishDate | 2020-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-e5d5af378c5a44d2a24293621047f7032023-11-19T22:01:37ZengMDPI AGPolymers2073-43602020-04-0112494110.3390/polym12040941On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid PiecesA.P. Valerga0S.R. Fernandez-Vidal1F. Girot2A.J. Gamez3Department of Mechanical Engineering and Industrial Design, School of Engineering, University of Cadiz, Av. Universidad de Cádiz, 10, E-11519 Puerto Real, Cadiz, SpainDepartment of Mechanical Engineering and Industrial Design, School of Engineering, University of Cadiz, Av. Universidad de Cádiz, 10, E-11519 Puerto Real, Cadiz, SpainIKERBASQUE, Basque Foundation for Science, 48013 Bilbao, SpainMathematical Engineering Research Group, School of Engineering, University of Cadiz, Av. Universidad de Cádiz, 10, E-11519 Puerto Real, Cadiz, SpainNowadays, improvement of the surface finish of parts manufactured by fused deposition modelling is a well-studied topic. Chemical post-treatments have proven to be the best technique in terms of time consumption and smoothness improvement. However, these treatments modify the structure of the material and, consequently, its mechanical properties. This relationship was studied in this work. In this case, on the basis of a previous study on crystallisation, polylactic acid pieces were subjected to different post-treatments to evaluate their effects on the sample’s mechanical properties, i.e., tensile strength and hardness. Models were obtained according to their percentage of crystallisation, which was related to the different treatments, as well as immersion time. Dramatic changes were obtained within a wide range of material behaviour with some treatments. Specifically, changes were obtained in the maximum stress (from 55 to 20 MPa), in elongation (from 3% to 260%), and in the hardness scale (Shore D to A).https://www.mdpi.com/2073-4360/12/4/941manufacturing designhardnesstensile strengthcrystallitepolylactic acidfused deposition modelling |
| spellingShingle | A.P. Valerga S.R. Fernandez-Vidal F. Girot A.J. Gamez On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid Pieces Polymers manufacturing design hardness tensile strength crystallite polylactic acid fused deposition modelling |
| title | On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid Pieces |
| title_full | On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid Pieces |
| title_fullStr | On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid Pieces |
| title_full_unstemmed | On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid Pieces |
| title_short | On the Relationship between Mechanical Properties and Crystallisation of Chemically Post-Processed Additive Manufactured Polylactic Acid Pieces |
| title_sort | on the relationship between mechanical properties and crystallisation of chemically post processed additive manufactured polylactic acid pieces |
| topic | manufacturing design hardness tensile strength crystallite polylactic acid fused deposition modelling |
| url | https://www.mdpi.com/2073-4360/12/4/941 |
| work_keys_str_mv | AT apvalerga ontherelationshipbetweenmechanicalpropertiesandcrystallisationofchemicallypostprocessedadditivemanufacturedpolylacticacidpieces AT srfernandezvidal ontherelationshipbetweenmechanicalpropertiesandcrystallisationofchemicallypostprocessedadditivemanufacturedpolylacticacidpieces AT fgirot ontherelationshipbetweenmechanicalpropertiesandcrystallisationofchemicallypostprocessedadditivemanufacturedpolylacticacidpieces AT ajgamez ontherelationshipbetweenmechanicalpropertiesandcrystallisationofchemicallypostprocessedadditivemanufacturedpolylacticacidpieces |