Recent Advances in 3D Printing of Polymer Composites

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Composites and Nanocomposites".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 672

Special Issue Editors


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Guest Editor
Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin 300354, China
Interests: fiber-reinforced polymer composites; cold spray-based additive manufacturing; 3D/4D printing
School of Materials Science and Engineering, Tianjin University, Tianjin 300354, China
Interests: carbon-fiber-reinforced composites; ultrasonic welding; ultrasonic additive manufacturing; resistance welding dissimilar materials joining; lightweight materials joining
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Special Issue Information

Dear Colleagues,

Polymeric composites with fibers as reinforcement have gained the attention of researchers as well as industrialists. These composite materials have a high strength-to-weight ratio and have therefore become involved in a wide range of applications. Traditional manufacturing techniques, such as pultrusion, injection molding, resin transfer molding, filament winding, etc., have been adopted to manufacture fiber-reinforced polymer composites. However, these techniques require the usage of molds, thereby making them expensive. Furthermore, it is costly to produce complex and customized parts using these techniques.

Three-dimensional printing (3DP), also known as additive manufacturing, has arisen as a solution to the abovementioned challenges. Production using 3D printing involves printing successive data layers from a 3D model to create various materials, structures, and complicated geometries. This Special Issue, entitled “Recent Advances in 3D Printing of Polymer Composites”, addresses the cutting-edge 3DP technologies used for polymer composites. The aim of this Special Issue is to broaden knowledge on recent scientific improvements in various aspects of 3DP technologies for polymer composites.

Topics of interest for this Special Issue include, but are not limited to, the following:

(1) 3DP processes: extrusion-based process, laser-based process, photopolymerization-based process, laminated object-based, hybrid process, etc.

(2) Printed materials: thermoset and thermoplastic composites, continuous and discontinuous fiber composites.

(3) Forming mechanism: modeling and simulation are encouraged to understand the physics and/or chemistry of 3DP technologies for polymer composites.

(4) Microstructure and properties: characterization and evaluation of printed materials in terms of microstructure and their mechanical, thermal, and corrosion properties.

We look forward to receiving your contributions.

Dr. Kaifeng Wang
Dr. Yang Li
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 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

  • polymer composites
  • thermoset and thermoplastic composites
  • continuous and discontinuous fiber
  • 3D printing
  • additive manufacturing
  • structure design
  • modeling and simulation
  • microstructure and properties

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Published Papers (1 paper)

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13 pages, 6188 KiB  
Article
Solid State Additive Manufacturing of Thermoset Composites
by Bo Hong, Kaifeng Wang, Yang Li, Shuhan Ren and Peihua Gu
Polymers 2024, 16(17), 2416; https://doi.org/10.3390/polym16172416 - 26 Aug 2024
Viewed by 512
Abstract
Softening and subsequent deformation are significant challenges in additive manufacturing of thermal-curable thermosets. This study proposes an approach to address these issues, involving the preparation of thermosetting composite powders with distinct curing temperatures, the utilization of cold spray additive manufacturing (CSAM) for sample [...] Read more.
Softening and subsequent deformation are significant challenges in additive manufacturing of thermal-curable thermosets. This study proposes an approach to address these issues, involving the preparation of thermosetting composite powders with distinct curing temperatures, the utilization of cold spray additive manufacturing (CSAM) for sample fabrication, and the implementation of stepwise curing for each component. To validate the feasibility of this approach, two single-component thermosetting powders P1 and P2 and their composite powder C were subjected to CSAM and stepwise curing. From the sample morphology observation and deposition/curing mechanism investigation based on thermomechanical analysis and differential scanning calorimetry, it is found that severe plastic deformation occurs during the CSAM process, accompanied by heat generation, leading to local melting to promote a good bond at the contact surface of the particles and form small pores. During the progressive curing, the samples printed using C demonstrate superior deformation resistance compared with those using P1 and P2, and the curing time is reduced from 16.7 h to 1.5 h, due to the sequential curing reactions of P1 and P2 components in composite C, allowing the uncured P2 and cured P1 to alternately remain solid for providing structural support and minimizing deformation. Full article
(This article belongs to the Special Issue Recent Advances in 3D Printing of Polymer Composites)
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