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Advances in 3D Printed Reinforced Materials/Electronics: Processes, Properties and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 2171

Special Issue Editors


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Guest Editor
School of Intelligent Manufacturing, Nanjing University of Science and Technology, Nanjing, China
Interests: additive manufacturing; mechanics; fatigue; carbon fiber composites; metallic materials
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, China
Interests: 3D printed electronics; polymers; conductive inks; multi-processes; multi-functionality

Special Issue Information

Dear Colleagues,

Additive manufacturing (AM) shows prominent advantages in the modern industry owing to the almost unlimited design freedom to produce components with complex 3D shapes without the need for tooling. In order to fabricate the real-world applications with high performance or multiple functions, reinforcements or conductive elements are introduced in the latest AM techniques. The methodology and mechanism of AM with multi-functionality are meaningful to the further development.

 The scope of this Special Issue is to present the latest developments in the field of AM of structures or components with reinforcements or conductive elements. Topics addressed include new computational models and approaches predicting the fabrication process and mechanical properties of complex structures and components, and new additive manufacturing technologies covering various families of material extrusion, material lamination, material jetting, direct ink writing, selective laser sintering, curing and sintering, etc. New composite systems containing either fiber reinforcement or conductive elements, are covered. The applications of AM of integrated structures in other fields, e.g., robot design and bio-inspired structure design, are also welcome.

Dr. Haibin Tang
Dr. Xingzhi Xiao
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • 3D printed electronic
  • additive manufacturing
  • advanced functional materials
  • fiber reinforced composites
  • computational modeling
  • manufacturing process and performance

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Published Papers (2 papers)

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Editorial

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2 pages, 160 KiB  
Editorial
Advances in 3D Printed Electronics: Materials, Processes, Properties and Applications
by Haibin Tang and Xingzhi Xiao
Materials 2023, 16(17), 5975; https://doi.org/10.3390/ma16175975 - 31 Aug 2023
Viewed by 782
Abstract
The current Special Issue entitled “Advances in 3D printed electronics: materials, processes, properties and applications” aims to discuss the latest developments in the field of the AM of structures or components with reinforcements [...] Full article

Research

Jump to: Editorial

16 pages, 22145 KiB  
Article
The Influence of Ink Chemistry on the Microstructure Evolution and GHz RF Response of Printed Ag Transmission Lines
by Jason M. Summers, Shambhavi Sakri, Nishako Chakma, Hung Luyen, Andres Bujanda, Thomas Parker, Harvey Tsang and Nigel D. Shepherd
Materials 2024, 17(8), 1756; https://doi.org/10.3390/ma17081756 - 11 Apr 2024
Viewed by 930
Abstract
High-frequency transmission is limited to the skin depth in metals. Because poor conductivity cannot be compensated for by increasing the conductor thickness as with DC, optimal transport properties are prerequisites for radio frequency (RF) use. Structural and chemical analyses of transmission lines printed [...] Read more.
High-frequency transmission is limited to the skin depth in metals. Because poor conductivity cannot be compensated for by increasing the conductor thickness as with DC, optimal transport properties are prerequisites for radio frequency (RF) use. Structural and chemical analyses of transmission lines printed using a traditional ink consisting of Ag nanoflakes in a dispersing phase revealed that optimized thermal treatments yielded thorough burnout of the binder, significant grain growth, elimination of the pore volume, and electrical responses that were comparable to values obtained for thermally evaporated, fully dense Ag controls. Specifically, a low DC resistivity of 2.3 μΩ·cm (1.4× bulk Ag) and RF transmission coefficients of 0.87 and 0.75 at 5 GHz and 10 GHz, respectively, were measured in the nanoflake Ag prints. Conversely, in transmission lines printed from a metal-organic decomposition ink, residual chemical contamination impeded diffusion and densification, yielding greater porosity, small grains that are pinned, and a degraded RF response. Reasonably good porosity approximations were obtained from a model based on percolation theory. The results indicate that contaminants at interfaces and pore surfaces impede diffusion, pore elimination, and full densification, and further, alter carrier dynamics and degrade RF response. Full article
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