Process parameter optimization for Fused Filament Fabrication additive manufacturing of PLA/PHA biodegradable polymer blend
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Muhammad Salman Mustafa
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Muhammad Arif
Abstract
Fused Filament Fabrication (FFF) is a widely embraced material extrusion (MEX) additive manufacturing (AM) process to produce complex three-dimensional structures, and it is typically used in the fabrication of biodegradable polymers for biomedical applications. However, FFF as a fabrication process for blended polymeric materials needs to be optimized for enhanced mechanical properties. In this work, biodegradable polylactic acid (PLA)/polyhydroxyalkanoate (PHA) dog-bone and notched specimens are printed to determine optimum printing parameters for superior mechanical properties in FFF additive manufacturing. The effect of layer thickness, infill density, and printing bed temperature on mechanical properties is investigated by employing a design of experiments (DoE) approach using response surface methodology (RSM). Experimental results showed the significance of the opted parameters for mechanical properties of the PLA/PHA blend. Then, optimum values for layer thickness, infill density, and printing bed temperature are identified for tensile and impact strength and an empirical relationship between parameters is formulated for low density and cost-effective fabrication. Finally, the analysis of variance (ANOVA) is performed to check the adequacy of the model for the influence of process parameters and their mutual interactions. The verification experiments validated the adequacy of the proposed model for PLA/PHA blend in FFF additive manufacturing.
Acknowledgments
Muhammad Qasim Zafar would like to extend his sincere gratitude to “Dr. Khalid Rehman” Dean FME Ghulam Ishaq Khan Institute of Engineering Science & Technology Topi, Pakistan, for the position of “International Exchange Scholar“ during his doctoral study.
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Author contributions: The design and strategy for this research work were developed and supervised by Muhammad Salman Mustafa. Muhammad Arsalan Muneer completed the experimental trial as a part of his MS Thesis. As co-supervisor, Muhammad Qasim Zafar wrote original draft, prepared graphical illustrations, revised, proofread, and submitted the manuscript. Dr. Muhammad Arif reviewed and proofread the manuscript. Ghulam Hussain and Farrukh Arsalan Siddiqui provided technical support in the FFF printing process.
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Research funding: There is no specific funding for this work.
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Conflict of interest statement: It is solemnly declared that there is no competing interest among authors.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Process parameter optimization for Fused Filament Fabrication additive manufacturing of PLA/PHA biodegradable polymer blend
- Preparation and application of carbon black-filled rubber composite modified with a multi-functional silane coupling agent
- Non-isothermal viscoelastic melt spinning with stress-induced crystallization: numerical simulation and parametric analysis
- Effect of the amount of oxazoline compatibilizer on the mechanical properties of liquid crystalline polymer/polypropylene blends
- Tensile, rheological and morphological characterizations of multi-walled carbon nanotube/polypropylene composites prepared by microinjection and compression molding
- Modification of self-reinforced composites (SRCs) via film stacking process
- Study of distributive mixing in a journal bearing flow geometry
- Synthesis and characterization of wood flour modified by graphene oxide for reinforcement applications
- Antifouling improvement of a polyacrylonitrile membrane blended with an amphiphilic copolymer
- Exploring the applicability of a simplified fully coupled flow/orientation algorithm developed for polymer composites extrusion deposition additive manufacturing
- Understanding softening of amorphous materials for FFF applications
- News
- PPS News
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Process parameter optimization for Fused Filament Fabrication additive manufacturing of PLA/PHA biodegradable polymer blend
- Preparation and application of carbon black-filled rubber composite modified with a multi-functional silane coupling agent
- Non-isothermal viscoelastic melt spinning with stress-induced crystallization: numerical simulation and parametric analysis
- Effect of the amount of oxazoline compatibilizer on the mechanical properties of liquid crystalline polymer/polypropylene blends
- Tensile, rheological and morphological characterizations of multi-walled carbon nanotube/polypropylene composites prepared by microinjection and compression molding
- Modification of self-reinforced composites (SRCs) via film stacking process
- Study of distributive mixing in a journal bearing flow geometry
- Synthesis and characterization of wood flour modified by graphene oxide for reinforcement applications
- Antifouling improvement of a polyacrylonitrile membrane blended with an amphiphilic copolymer
- Exploring the applicability of a simplified fully coupled flow/orientation algorithm developed for polymer composites extrusion deposition additive manufacturing
- Understanding softening of amorphous materials for FFF applications
- News
- PPS News
