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Polymers
Special Issues
Additive Manufacturing of Polymer Composites II
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Additive Manufacturing of Polymer Composites II

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

Deadline for manuscript submissions: 20 June 2024 | Viewed by 1652

Special Issue Editor

Dr. Matthew Blacklock

E-Mail Website
Guest Editor
Department of Mechanical and Construction Engineering, Northumbria University, Newcastle upon Tyne, UK
Interests: fibre composites; additive manufacturing; finite element analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is our pleasure to invite articles for publication in this Special Issue on “Additive Manufacturing of Polymer Composites II”. Three-dimensional-printed composites offer the opportunity for the rapid manufacturing of complex components with bespoke material architectures that can be designed to prioritize performance in specific regions whilst focusing on weight savings elsewhere. Recent research in this field has demonstrated tremendous progress in overcoming some of the technical challenges associated with creating continuous fibre composites using additive manufacturing, and new-to-market commercial printers offer the promise of the broader adoption of these materials. Some of the remaining key challenges limiting widespread use are an understanding of the key mechanisms of failure and how these materials perform over the long term in a wide range of environments.

We invite contributions to this Special Issue of Polymers on topics investigating all aspects of the additive manufacturing of polymer composites, including, but not limited to, material characterization, the analysis of failure, modelling and simulation, novel approaches to printing, and an examination of the printed composite design approach. The goal of this Special Issue is to increase the understanding of these novel material systems with the aim of increasing the performance and long-term viability of 3D-printed composites, which will lead to wide-scale adoption. 

Dr. Matthew Blacklock
Guest Editor

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.

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

  • additive manufacturing technology
  • three-dimensional-printed fibre and polymer matrix systems
  • modelling and analysis: finite element, discrete element
  • material characterisation
  • constitutive modelling

Related Special Issue

Published Papers (2 papers)

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Research

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15 pages, 12044 KiB  
Article
Fe3O4/PMMA with Well-Arranged Structures Synthesized through Magnetic Field-Assisted Atom Transfer Radical Polymerization
by Ming Gao and Chi-Fai Cheung
Polymers 2024, 16(3), 353; https://doi.org/10.3390/polym16030353 - 28 Jan 2024
Viewed by 538
Abstract
Particle- or fiber-reinforced polymer composites with controlled orientations are attracting interest and applications producing innovative materials, biological constructs, and energy devices. To gain the controlled orientations, filed-assisted synthesis is widely selected for its easy operation and control. In this paper, we designed magnetic [...] Read more.
Particle- or fiber-reinforced polymer composites with controlled orientations are attracting interest and applications producing innovative materials, biological constructs, and energy devices. To gain the controlled orientations, filed-assisted synthesis is widely selected for its easy operation and control. In this paper, we designed magnetic field-assisted equipment and synthesized a magnetic polymer composite Fe3O4/PMMA with a well-arranged layers structure by combining the magnetic field with atom transfer radical polymerization (ATRP). During the polymerization of polymer composites, the magnetic nanoparticles were surrounded by monomers. With the growth of polymer chains, the magnetic particles pushed polymer chains to move according to a specific direction and form a well-arranged structure under the magnetic fields. The existence of a well-arranged layered structure of the composites gives potential guidance for controlling the micro-structure by adding an extra field during the polymerization process. The experimental results provided a possible design to influence the macroscale properties through control of the micro-structure of polymer composites. Full article
(This article belongs to the Special Issue Additive Manufacturing of Polymer Composites II)
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Review

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28 pages, 7128 KiB  
Review
Various FDM Mechanisms Used in the Fabrication of Continuous-Fiber Reinforced Composites: A Review
by Armin Karimi, Davood Rahmatabadi and Mostafa Baghani
Polymers 2024, 16(6), 831; https://doi.org/10.3390/polym16060831 - 18 Mar 2024
Cited by 3 | Viewed by 955
Abstract
Fused Deposition Modeling (FDM) is an additive manufacturing technology that has emerged as a promising technique for fabricating 3D printed polymers. It has gained attention recently due to its ease of use, efficiency, low cost, and safety. However, 3D-printed FDM components lack sufficient [...] Read more.
Fused Deposition Modeling (FDM) is an additive manufacturing technology that has emerged as a promising technique for fabricating 3D printed polymers. It has gained attention recently due to its ease of use, efficiency, low cost, and safety. However, 3D-printed FDM components lack sufficient strength compared to those made using conventional manufacturing methods. This low strength can be mainly attributed to high porosity and low sinterability of layers and then to the characteristics of the polymer used in the FDM process or the FDM process itself. Regarding polymer characteristics, there are two main types of reinforcing fibers: discontinuous (short) and continuous. Continuous-fiber reinforced composites are becoming popular in various industries due to their excellent mechanical properties. Since continuous reinforcing fibers have a more positive effect on increasing the strength of printed parts, this article focuses primarily on continuous long fibers. In addition to polymer characteristics, different mechanisms have been developed and introduced to address the issue of insufficient strength in 3D-printed FDM parts. This article comprehensively explains two main FDM mechanisms: in-situ fusion and ex-situ prepreg. It also provides relevant examples of these mechanisms using different reinforcing elements. Additionally, some other less frequently utilized mechanisms are discussed. Each mechanism has its own advantages and disadvantages, indicating that further development and modification are needed to increase the strength of 3D-printed FDM parts to be comparable to those produced using traditional methods. Full article
(This article belongs to the Special Issue Additive Manufacturing of Polymer Composites II)
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