3D Printing &amp; Mechanical Characteristion of Polylactic Acid and Bronze Filled Polylactic Acid Components

Aveen, K. P.; Bhajathari, F. Vishwanath; Jambagi, Sudhakar C.

doi:10.1088/1757-899x/376/1/012042

Cited by 15 publications

(10 citation statements)

References 3 publications

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“…The results represented in Tables 3 tensile strength of specimen fabricated with various layer height and layup speed is shown in the below Figure 7. This may be occurred due to more time for curing, binding and consolidation [22].…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Experimental Investigation on Comparing Mechanical Properties in 3D Printed Polymers by Varying Process Parameter

Aveen¹,

Londe²,

Vikas³

et al. 2022

jmmf

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The Desktop 3D printing is a quickly emergent additive manufacturing process due to its capacity to build complex geometry functional parts. Polymer filaments are used as a raw material for building various functional parts. 3D printing process parameters influence the mechanical properties of a built part. The present study investigate the effect of process parameters like layer thickness and layup speed on the mechanical properties of PLA, Bronze filled PLA and ABS samples manufactured with a low cost 3D printer. Tensile and flexural tests based on ASTM D638 and ASTM D760 standards were performed, respectively to determine the mechanical response of the printed specimens. With respect to the layup speed and layer thickness, it is found PLA has better tensile and flexural properties compared to ABS and Bronze filled PLA.

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Section: Mechanical Propertiesmentioning

confidence: 99%

Experimental Investigation on Comparing Mechanical Properties in 3D Printed Polymers by Varying Process Parameter

Aveen¹,

Londe²,

Vikas³

et al. 2022

jmmf

View full text Add to dashboard Cite

show abstract

“…This polymer is used intensively in 3D bioprinting because it is less viscous allowing adequate flow through an inkjet nozzle, which facilitates processability through extrusion, injection moulding or casting [91,99]. Many recent studies focus on the mechanical and biocompatibility/bioactivity properties of PLA or its blends after 3D printing [100][101][102][103].…”

Section: Polymers and Polymer Composites Prepared For 3d (Bio)printingmentioning

confidence: 99%

Trends in 3D Printing Processes for Biomedical Field: Opportunities and Challenges

Ghilan¹,

Chiriac²,

Niţă³

et al. 2020

J Polym Environ

145

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Additive manufacturing (AM) is considered the latest technology that creates breakthrough innovations and addresses complex medical problems. This is clearly demonstrated by the promising results obtained in regenerative medicine, diagnosis, implants, artificial tissues and organs. This paper provides a basic understanding of the fundamentals of 3D/4D printing along with bioprinting processes. We are briefly discussing about the main printing systems including stereolithography, inkjet 3D printing, extrusion, laser-assisted printing, selective laser melting and Poly-Jet printing. The basic requirements for the selection of successful inks based on polymers, polymer blends, and composites are described. Furthermore, the on-going transition from 3D to 4D printing is highlighted with emphasis on the newest applications in the medical area. Also, a glimpse into the future possibilities and benefits provided by machine learning in the additive manufacturing field is emphasized. Machine learning can improve printing efficiency by using generative design and testing in the pre-fabrication stage. Finally, important limitations and prospects are identified. Within the next few years, AM is set to become an important component in patient-specific medical technologies.

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“…Among 3D printing technology, FDM is the most widespread technique, and it is also cost-effective [12]. PLA was chosen for the model, as it is one of the most popular materials for 3D printing and is biocompatible, nontoxic, and biodegradable [13]. Use of support material was necessary to print overhangs, intricate details, and internal cavities (within and surrounding the nasal cavity) that would otherwise be impossible to print due to gravity.…”

Section: Principal Findingsmentioning

confidence: 99%

Design and Printing of a Low-Cost 3D-Printed Nasal Osteotomy Training Model: Development and Feasibility Study

Ho¹,

Goldfarb²,

Moayer³

et al. 2020

JMIR Med Educ

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Background Nasal osteotomy is a commonly performed procedure during rhinoplasty for both functional and cosmetic reasons. Teaching and learning this procedure proves difficult due to the reliance on nuanced tactile feedback. For surgical simulation, trainees are traditionally limited to cadaveric bones, which can be costly and difficult to obtain. Objective This study aimed to design and print a low-cost midface model for nasal osteotomy simulation. Methods A 3D reconstruction of the midface was modified using the free open-source design software Meshmixer (Autodesk Inc). The pyriform aperture was smoothed, and support rods were added to hold the fragments generated from the simulation in place. Several models with various infill densities were printed using a desktop 3D printer to determine which model best mimicked human facial bone. Results A midface simulation set was designed using a desktop 3D printer, polylactic acid filament, and easily accessible tools. A nasal osteotomy procedure was successfully simulated using the model. Conclusions 3D printing is a low-cost, accessible technology that can be used to create simulation models. With growing restrictions on trainee duty hours, the simulation set can be used by programs to augment surgical training.

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3D Printing & Mechanical Characteristion of Polylactic Acid and Bronze Filled Polylactic Acid Components

Cited by 15 publications

References 3 publications

Experimental Investigation on Comparing Mechanical Properties in 3D Printed Polymers by Varying Process Parameter

Experimental Investigation on Comparing Mechanical Properties in 3D Printed Polymers by Varying Process Parameter

Trends in 3D Printing Processes for Biomedical Field: Opportunities and Challenges

Design and Printing of a Low-Cost 3D-Printed Nasal Osteotomy Training Model: Development and Feasibility Study

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