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Additive Manufacturing and Processing of Polymeric Materials
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Additive Manufacturing and Processing of Polymeric Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 1799

Special Issue Editor

Dr. Kevin Hart

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Milwaukee School of Engineering, S-229 Allen Bradley Hall of Science, 432 E Kilbourn Ave, Milwaukee, WI 53202, USA
Interests: additive manufacturing; polymer composites; multi-functional materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The applications of additive manufacturing (AM), or the layer-by-layer building process, are extensive. Pre-production models, end-use automotive parts, art, and medical implants are some areas in which AM parts are being used. Despite the fact that AM offers many advantages over traditional manufacturing, several disadvantages such as slow build rates, poor mechanical properties for plastic parts in particular, and a lack of industry standards for testing and evaluating the limits of the widespread use of the technology. New methods for processing and post-processing and new materials are needed to improve the quality of 3D-printed parts and the range of mechanical properties achievable. This Special Issue focuses on polymer-based additive manufacturing techniques such as fused filament fabrication, selective laser sintering, vat polymerization, material jetting, and paste extrusion. It aims to publish cutting-edge original research and review papers on the latest advances in new materials and approaches in polymer additive manufacturing. The topic themes include polymer AM feedstock development, composite and complex feedstocks, multi-material printing, in situ and post-processing techniques to improve polymer welding/part strength, structure–property relationships, new approaches/technologies for 3D-printing polymers, characterization techniques, and process modelling.

Dr. Kevin Hart
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. Materials 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 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

  • additive manufacturing
  • standardizatoin
  • polymer processing
  • 3D printing
  • fracture mechanics
  • fused filament fabrication
  • material extrusion

Published Papers (1 paper)

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Research

24 pages, 9711 KiB  
Article
Wear Analysis of 3D-Printed Spur and Herringbone Gears Used in Automated Retail Kiosks Based on Computer Vision and Statistical Methods
by Jakub Bryła, Adam Martowicz, Maciej Petko, Konrad Gac, Konrad Kobus and Artur Kowalski
Materials 2023, 16(16), 5554; https://doi.org/10.3390/ma16165554 - 10 Aug 2023
Cited by 1 | Viewed by 1612
Abstract
This paper focuses on a wear evaluation conducted for prototype spur and herringbone gears made from PET-G filament using additive manufacturing. The main objective of this study is to verify if 3D-printed gears can be considered a reliable choice for long-term exploitation in [...] Read more.
This paper focuses on a wear evaluation conducted for prototype spur and herringbone gears made from PET-G filament using additive manufacturing. The main objective of this study is to verify if 3D-printed gears can be considered a reliable choice for long-term exploitation in selected mechanical systems, specifically automated retail kiosks. For this reason, two methods were applied, utilizing: (1) vision-based inspection of the gears’ cross-sectional geometry and (2) the statistical characterization of the selected kinematic parameters and torques generated by drives. The former method involves destructive testing and allows for identification of the gears’ operation-induced geometric shape evolution, whereas the latter method focuses on searching for nondestructive kinematic and torque-based indicators, which allow tracking of the wear. The novel contribution presented in this paper is the conceptual and experimental application of the identification of the changes of 3D-printed parts’ geometric properties resulting from wear. The inspected exploited and non-exploited 3D-printed parts underwent encasing in resin and a curing process, followed by cutting in a specific plane to reveal the desired shapes, before finally being subjected to a vision-based geometric characterization. The authors have experimentally demonstrated, in real industrial conditions, on batch production parts, the usefulness of the presented destructive testing technique providing valid indices for wear identification. Full article
(This article belongs to the Special Issue Additive Manufacturing and Processing of Polymeric Materials)
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