Mechanical Characterization and Thermodynamic Analysis of Laser-Polished Landscape Design Products Using 3D Printing

Ba, Yue; Wen, Yu; Wu, Shibin

doi:10.3390/ma14102601

Cited by 7 publications

(2 citation statements)

References 45 publications

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“…Laser polishing had shown significant improvement in the surface properties of FFF parts. [131][132][133] The key process variable that impacts the surface quality is laser power. The laser power and beam size of 3 W and 200 μm respectively are the optimal process conditions for the FFF PLA specimen.…”

Section: Hot Air Jettingmentioning

confidence: 99%

Property enhancement approaches of fused filament fabrication technology: A review

Pazhamannil

Govindan

et al. 2022

Polymer Engineering & Sci

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The shift from rapid prototyping to rapid manufacturing using 3D printing is prominent after the development of volumetric 3D printing, multi-material printing, and functional materials development. Fused filament fabrication (FFF) is a fast-growing additive manufacturing technology with widespread end-user applications. The key constraints to its growth are the lower surface and mechanical properties compared to conventional manufacturing paradigms. The goal of this review is to look at the numerous pre-processing and post-processing parameters for the property enhancement of FFF. Preprocessing methods included optimization of process parameters (infill percentage, pattern, layer height, nozzle and platform temperature, raster angle and width, build orientation, and air gap) and adaptive slicing techniques.Mechanical (hot air jetting, barrel finishing, sand blasting, laser polishing, etc.), chemical (vapor smoothing, dipping, plating, and painting), and thermal (thermal annealing and normalizing) post-processing techniques were successful in improving the mechanical strength and surface finish of fused filament fabricated parts. This paper outlines the various methodologies a FFF user could incorporate for enhancing the final finished product's properties. The potential future prospects for the development of the 3D printing sector are also examined.

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Section: Hot Air Jettingmentioning

confidence: 99%

Property enhancement approaches of fused filament fabrication technology: A review

Pazhamannil

Govindan

et al. 2022

Polymer Engineering & Sci

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“…They suggested that laser polishing would be a useful technique for smoothing the surfaces of FDM parts. Ba et al (2021) showed the surface roughness of the laser-polished PLA FDM surfaces was reduced from over Ra 15 µm to less than 0.25 µm. Kumbhar and Mulay (2016) studied the improvement of surface roughness of ABS FDM parts using a CO 2 laser, and the results show that the value was reduced from Ra 4.2484 µm to 0.228 µm.…”

Section: Use Of Lasersmentioning

confidence: 98%

Advances in Engineering and Environmental Sciences

2023

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In the ever-evolving landscape of science and technology, the fields of engineering and environmental sciences have emerged as the vanguards of innovation and sustainability. These domains intersect and intertwine, shaping the future of our world. This book is a testament to the pursuit of knowledge and progress in these crucial areas. A diverse array of topics is proposed that not only reflect the current state of these disciplines but also illuminate the path ahead. Our aim is to provide a comprehensive overview of the developments in engineering and environmental sciences, offering a valuable resource for scholars, researchers, and practitioners. The chapters contained within this book span a wide spectrum of subjects, each contributing a unique facet to the ever-expanding mosaic of knowledge. The opening chapters delve into the world of advanced materials and innovative engineering practices. Self-healing composites, with their transformative ability to repair structural damage autonomously, promise to revolutionize industries ranging from aerospace to construction. Lattice structures and FDM printed parts explore the intricate balance between design and function, pushing the boundaries of what is possible in manufacturing and construction. The next contributions traverse the frontier of biotechnology and its applications. Nanobiotechnology takes us into the realm of the infinitesimally small, where nanomaterials and techniques hold immense potential for fields such as medicine, energy, and environmental remediation. Biomaterials open doors to the development of biocompatible materials, spurring advancements in healthcare and regenerative medicine. Microbial safety underscores the importance of understanding and managing microorganisms in various environmental contexts. Other chapters explore the broader systems and environmental aspects of engineering. Server queueing models provide insights into optimizing digital infrastructures, crucial in an increasingly interconnected world. Climate-smart agriculture offers solutions to feed a growing global population while mitigating the impacts of climate change. Deep learning architectures, inspired by the human brain, unlock new horizons in artificial intelligence and data analysis. Thank you for joining us on this exciting expedition into the fields of engineering, science, and the environment. The voyage ahead is filled with challenges, but it is also packed with limitless possibilities and discoveries waiting to be made. Sincerely,Prof. Raul D.S.G. CAMPILHO

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Laser Polishing of Polymer Parts Produced with Material Jetting Technology: Effect of Laser Scan Speed, Overlapping and Loop Cycles

Giorleo

Ravelli

2023

J. Inst. Eng. India Ser. C

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In the last year, the industrial production is characterized by the request of high level of product variety that generates a decrease of production volume changing manufacturing from mass production to mass customization. This trend let the conventional production processes, as forming, casting or moulding, expensive because of initial tools production cost that is not more amortized by the high-volume production. A solution to this scenario is to integrate Additive Manufacturing in tools production; this solution guarantees tools cost reduction also if post processes operations are needful to reduce the surface roughness produced by additive processes. Among additive processes, Material Jetting is able produce parts with guaranteed high accuracy and low average surface roughness (0.5 µm). However, these standards mainly refer to upfacing surfaces parallel to the print plate, and the roughness obtained on the other surfaces could increase up to 15 µm because of production mechanism. To improve parts roughness in this study, the laser polishing process was tested; different experimental tests were executed to investigate the effects of scan speed, overlapping and loop cycles. The results demonstrated that it is possible to improve the surface finish and reduce the roughness by 70% at the expense of dimensional accuracy.

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Mechanical Characterization and Thermodynamic Analysis of Laser-Polished Landscape Design Products Using 3D Printing

Cited by 7 publications

References 45 publications

Property enhancement approaches of fused filament fabrication technology: A review

Property enhancement approaches of fused filament fabrication technology: A review

Advances in Engineering and Environmental Sciences

Laser Polishing of Polymer Parts Produced with Material Jetting Technology: Effect of Laser Scan Speed, Overlapping and Loop Cycles

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