Damage of additively manufactured polymer materials: experimental and probabilistic analysis
This paper presents a study on the tensile, fracture, damage, and reliability properties of 3D printed polylactic acid (PLA), based on a series of experiments. The study focuses on polylactic acid (PLA) samples produced using fused filament manufacturing (FFF) technology, specifically examining unid...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Gruppo Italiano Frattura
2025-07-01
|
| Series: | Fracture and Structural Integrity |
| Subjects: | |
| Online Access: | https://www.fracturae.com/index.php/fis/article/view/5465/4262 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849245437336223744 |
|---|---|
| author | Hachimi Taoufik Ait Hmazi Fouad Majid Fatima |
| author_facet | Hachimi Taoufik Ait Hmazi Fouad Majid Fatima |
| author_sort | Hachimi Taoufik |
| collection | DOAJ |
| description | This paper presents a study on the tensile, fracture, damage, and reliability properties of 3D printed polylactic acid (PLA), based on a series of experiments. The study focuses on polylactic acid (PLA) samples produced using fused filament manufacturing (FFF) technology, specifically examining unidirectional print orientations of 0�, 45�, and 90�. Tensile testing demonstrated significant anisotropy in mechanical behavior, The specimens oriented at 0� exhibited the highest tensile strength, while those at 90� showed the lowest. An increase in artificial crack length (a) resulted in a progressive decrease in the mechanical properties. Weibull analysis confirmed the presence of significant anisotropic behavior in 3D-printed PLA specimens, with ultimate stress (su0) values ranging from 39.82 MPa for the 90� orientation to 44.69 MPa for the 0� orientation, and elastic stress (se0) values from 35.49 MPa (90�) to 39.11 MPa (0�), indicating greater strength for the 0� oriented specimens. Damage evolution analysis showed accelerated damage, with the 90� orientation demonstrating the fastest rate of damage compared to the 0� and 45� orientations. This indicates that the 90� orientation is more vulnerable to crack propagation and has diminished structural integrity under stress. |
| format | Article |
| id | doaj-art-230bdbdcd7374ff3a1c58b79872c5de4 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-230bdbdcd7374ff3a1c58b79872c5de42025-08-20T03:58:49ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932025-07-01197323625510.3221/IGF-ESIS.73.1610.3221/IGF-ESIS.73.16Damage of additively manufactured polymer materials: experimental and probabilistic analysisHachimi TaoufikAit Hmazi FouadMajid FatimaThis paper presents a study on the tensile, fracture, damage, and reliability properties of 3D printed polylactic acid (PLA), based on a series of experiments. The study focuses on polylactic acid (PLA) samples produced using fused filament manufacturing (FFF) technology, specifically examining unidirectional print orientations of 0�, 45�, and 90�. Tensile testing demonstrated significant anisotropy in mechanical behavior, The specimens oriented at 0� exhibited the highest tensile strength, while those at 90� showed the lowest. An increase in artificial crack length (a) resulted in a progressive decrease in the mechanical properties. Weibull analysis confirmed the presence of significant anisotropic behavior in 3D-printed PLA specimens, with ultimate stress (su0) values ranging from 39.82 MPa for the 90� orientation to 44.69 MPa for the 0� orientation, and elastic stress (se0) values from 35.49 MPa (90�) to 39.11 MPa (0�), indicating greater strength for the 0� oriented specimens. Damage evolution analysis showed accelerated damage, with the 90� orientation demonstrating the fastest rate of damage compared to the 0� and 45� orientations. This indicates that the 90� orientation is more vulnerable to crack propagation and has diminished structural integrity under stress.https://www.fracturae.com/index.php/fis/article/view/5465/4262damage analysisreliability analysis3d materialsfused filament fabricationcrack length |
| spellingShingle | Hachimi Taoufik Ait Hmazi Fouad Majid Fatima Damage of additively manufactured polymer materials: experimental and probabilistic analysis Fracture and Structural Integrity damage analysis reliability analysis 3d materials fused filament fabrication crack length |
| title | Damage of additively manufactured polymer materials: experimental and probabilistic analysis |
| title_full | Damage of additively manufactured polymer materials: experimental and probabilistic analysis |
| title_fullStr | Damage of additively manufactured polymer materials: experimental and probabilistic analysis |
| title_full_unstemmed | Damage of additively manufactured polymer materials: experimental and probabilistic analysis |
| title_short | Damage of additively manufactured polymer materials: experimental and probabilistic analysis |
| title_sort | damage of additively manufactured polymer materials experimental and probabilistic analysis |
| topic | damage analysis reliability analysis 3d materials fused filament fabrication crack length |
| url | https://www.fracturae.com/index.php/fis/article/view/5465/4262 |
| work_keys_str_mv | AT hachimitaoufik damageofadditivelymanufacturedpolymermaterialsexperimentalandprobabilisticanalysis AT aithmazifouad damageofadditivelymanufacturedpolymermaterialsexperimentalandprobabilisticanalysis AT majidfatima damageofadditivelymanufacturedpolymermaterialsexperimentalandprobabilisticanalysis |