Additive Manufacturing: Recent Advances, Applications and Challenges

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Additive Manufacturing Technologies".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 574

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Guest Editor
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: high-performance metal additive manufacturing; composite additive manufacturing; material–structure–function integrated manufacturing; space additive manufacturing
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Special Issue Information

Dear Colleagues,

Predictions for the fourth industrial revolution, "Industry 4.0", are that additive manufacturing technologies capable of replacing conventional manufacturing processes will be able to produce one component/ part as economically and efficiently as possible in mass production.

The evolution of industries depends not only on innovative and cutting-edge research activities associated with materials, manufacturing processes, and performance control means, but also on the research of new additive manufacturing process types, innovative simulation methods, more diverse application scenarios, and the mining of product structure design.

In recent years, innovative additive manufacturing processes have been developed, including new fused filament fabrication based on a mixed filament, droplet deposition, multi-feed powder feeding, etc. Simulation methods can cover multiple scales, from atomic to macroscopic. Structure design, including honeycomb, porous, and complex surfaces, etc., is also considered.

Subjects that will be discussed in this Special Issue will focus not only on material systems, manufacturing process optimization, post-processing, and physicochemical characterization, but also on the exploration of new technologies, multi-scale simulation, the fabrication of dense components with special complex structures, and potential industrial applications.

Prof. Dr. Fuji Wang
Guest Editor

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Keywords

  • additive manufacturing
  • new technology
  • simulation
  • complex structure
  • industrial application

Published Papers (1 paper)

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17 pages, 6317 KiB  
Article
Capillary-Driven Microdevice Mixer Using Additive Manufacturing (SLA Technology)
by Victor H. Cabrera-Moreta and Jasmina Casals-Terré
Appl. Sci. 2024, 14(10), 4293; https://doi.org/10.3390/app14104293 - 18 May 2024
Viewed by 421
Abstract
This study presents a novel microfluidic mixer designed, fabricated, and characterized using additive manufacturing technology—stereolithography (SLA)—and harnessing capillarity principles achieved through microstructure patterning. Micromixers are integral components in optimizing mixing and reaction processes within microfluidic systems. The proposed microdevice employs a tank mixing [...] Read more.
This study presents a novel microfluidic mixer designed, fabricated, and characterized using additive manufacturing technology—stereolithography (SLA)—and harnessing capillarity principles achieved through microstructure patterning. Micromixers are integral components in optimizing mixing and reaction processes within microfluidic systems. The proposed microdevice employs a tank mixing method capable of blending two fluids. With a channel length of up to 6 mm, the process time is remarkably swift at 3 s, and the compact device measures 35 × 40 × 5 mm. The capillarity-driven working flow rates range from 1 μL/s to 37 μL/s, facilitated by channel dimensions varying between 400 μm and 850 μm. The total liquid volume within the device channels is 1652 mL (6176 μL including the supply tanks). The mix index, representing the homogeneity of the two fluids, is approximately 0.55 along the main channel. The manufacturing process, encompassing printing, isopropyl cleaning, and UV (ultraviolet) curing, is completed within 90 min. This microfluidic mixer showcases efficient mixing capabilities, rapid processing, and a compact design, marking it as a promising advancement in microfluidic technology. The new microfluidic mixer is a major step forward in microfluidic technology, providing a cost-effective and flexible solution for various uses. Its compatibility with SLA additive manufacturing allows for quick prototyping and design improvements, making it valuable for research and practical applications in chemistry, biology, and diagnostics. This study highlights the importance of combining advanced manufacturing techniques with basic fluid dynamics to create effective and easy-to-use microfluidic solutions. Full article
(This article belongs to the Special Issue Additive Manufacturing: Recent Advances, Applications and Challenges)
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