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J. Compos. Sci.
Special Issues
Manufacturing and Machining of Composites
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Manufacturing and Machining of Composites

A Special Issue of Journal of Composites Science (ISSN 2504-477X) belonging to the section "Composites Manufacturing and Processing".

Deadline for manuscript submissions: 30 November 2026 | Viewed by 2212

Editor

Dr. Mehmet Şükrü Adin

E-Mail Website
Guest Editor
Besiri OSB Vocational School, Batman University, Batman 72060, Turkey
Interests: additive manufacturing; polymer composites; sustainable materials; fused deposition modeling (FDM); mechanical properties
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Composite materials are widely used in today's contemporary manufacturing industries (i.e., aerospace, automotive, construction, and marine industries) because of their many advantages, such as their high strength, low weight, and resistance to corrosion. These materials enable flexible design optimization, allowing for the creation of complex structures and the integration of multiple functionalities, thereby providing customized, efficient, and innovative solutions across various sectors. However, in manufacturing industries, many composite materials are produced using traditional and new technologies (e.g., 3D-printed composite materials). Despite nearing their final form during manufacturing, composite materials require precise secondary processing stages. Difficulties commonly encountered during processing arise from different material compositions and manufacturing differences.

In order to advance material machining technologies and expand application areas, this Special Issue aims to help researchers present the latest developments and technologies in the field of composite material processing. The collection will encompass various topics, including the manufacturing of composites, different manufacturing methods, fiber-reinforced composites, eco-friendly composites, natural fiber-reinforced composites, additive manufacturing, 3D-printed composites, the machining of composites, and mechanical behaviors.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

Machining, processing, manufacturing of composites, different manufacturing methods, fiber-reinforced composites, eco-friendly composites, natural fiber-reinforced composites, additive manufacturing, 3D-printed composites, machining of 3D printed composites, mechanical behavior.

I look forward to receiving your contributions.

Dr. Mehmet Şükrü Adin
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Composites Science is an international peer-reviewed open access monthly 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 1800 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

  • machining
  • processing
  • manufacturing of composites
  • different manufacturing methods
  • fiber-reinforced composites
  • eco-friendly composites
  • natural fiber-reinforced composites
  • additive manufacturing
  • 3D-printed composites
  • machining of 3D-printed composites
  • mechanical behavior

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

29 pages, 3122 KB  
Article
Architecture-Dependent Reinforcement of FFF-Printed PLA Nanocomposites by Functionalized Multi-Walled Carbon Nanotubes
by Dorivane Cohen Farias, Diogo Monteiro Porfírio, Miriane Alexandrino Pinheiro, Mário Edson Santos de Sousa, Alessandro José Gomes dos Santos, Douglas Santos Silva, Raí Felipe Pereira Junio, Sergio Neves Monteiro and Marcos Allan Leite dos Reis
J. Compos. Sci. 2026, 10(9), 494; https://doi.org/10.3390/jcs10090494 - 17 Sep 2026
Viewed by 198
Abstract
This study investigates the combined influence of multi-walled carbon nanotube (MWCNT) concentration and structural architecture on the compressive behavior of fused filament fabrication (FFF)-printed PLA components. Neat PLA and PLA reinforced with 1.0 and 2.0 wt% carboxyl-functionalized MWCNTs were characterized by Raman spectroscopy, [...] Read more.
This study investigates the combined influence of multi-walled carbon nanotube (MWCNT) concentration and structural architecture on the compressive behavior of fused filament fabrication (FFF)-printed PLA components. Neat PLA and PLA reinforced with 1.0 and 2.0 wt% carboxyl-functionalized MWCNTs were characterized by Raman spectroscopy, DSC, TGA, compression testing, statistical analysis, and scanning electron microscopy. Thermal characterization showed that MWCNT incorporation caused only minor changes in PLA thermal degradation while altering its crystallization behavior. For nearly solid specimens (90% infill), compressive strength increased from 53.4 MPa for neat PLA to 73.6 MPa at 2.0 wt% MWCNTs, although differences among MWCNT concentrations were not statistically significant. Honeycomb structures exhibited the highest mechanical performance at 1.0 wt% MWCNTs, reaching a compressive strength of 33.3 MPa, approximately 59% higher than that of neat PLA, with significant improvements in both compressive strength and elastic modulus. Two-way ANOVA revealed significant interactions between structural architecture and MWCNT concentration for both compressive strength and elastic modulus, demonstrating an architecture-dependent reinforcement response. SEM provided complementary morphological evidence consistent with the observed mechanical trends. These findings demonstrate that the most effective MWCNT concentration depends on structural architecture, highlighting the importance of simultaneously optimizing material composition and geometry in FFF-manufactured polymer nanocomposites. Full article
(This article belongs to the Special Issue Manufacturing and Machining of Composites)
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26 pages, 4998 KB  
Article
Influence of Stacking Sequence on the Ballistic Response of Raffia/Carbon Fiber-Reinforced Epoxy Hybrid Composites Subjected to 9 mm Projectile Impact
by Douglas Santos Silva, Raí Felipe Pereira Junio and Sergio Neves Monteiro
J. Compos. Sci. 2026, 10(8), 403; https://doi.org/10.3390/jcs10080403 - 31 Jul 2026
Viewed by 509
Abstract
Hybrid composites combining natural and synthetic fibers have emerged as promising materials for lightweight ballistic protection systems due to their ability to balance mechanical performance, energy absorption, and sustainability. This study investigates the influence of stacking sequence on the ballistic response of epoxy [...] Read more.
Hybrid composites combining natural and synthetic fibers have emerged as promising materials for lightweight ballistic protection systems due to their ability to balance mechanical performance, energy absorption, and sustainability. This study investigates the influence of stacking sequence on the ballistic response of epoxy hybrid composites reinforced with raffia and carbon woven fabrics subjected to 9 mm projectile impact. Four stacking-sequence configurations were investigated: alternating laminates (R2C2)3 and (C2R2)3, and block laminates R6C6 and C6R6, all containing identical reinforcement contents. Ballistic response was evaluated through impact and residual velocities, velocity reduction, absorbed energy, energy absorption efficiency, momentum reduction, and Doppler radar velocity profiles. All laminates were completely perforated but maintained their structural integrity after impact, without catastrophic fragmentation. The results showed that architectures with carbon fiber layers positioned at the impact face, namely (C2R2)3 and C6R6, exhibited the lowest residual velocities and the highest absorbed energies, reaching 136.8 J and 135.4 J, respectively. Energy absorption efficiencies ranged from 16.6% to 19.1%, indicating similar ballistic responses among all configurations. Statistical analysis revealed no significant differences among the investigated architectures (p > 0.05). Overall, the results indicate that the impact-face reinforcement exerts a secondary influence on ballistic response, whereas the total reinforcement content governs energy dissipation during projectile penetration. Full article
(This article belongs to the Special Issue Manufacturing and Machining of Composites)
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20 pages, 7153 KB  
Article
LT-UVAM Milling of Thin Cellular Structures: Chip Fragmentation and Machinability
by Tarik Zarrouk, Oussama Beldi, Jamal-Eddine Salhi, Mohammed Jeyar, Mohammed Nouari, Wenfeng Ding and Mohammed Barboucha
J. Compos. Sci. 2026, 10(8), 387; https://doi.org/10.3390/jcs10080387 - 26 Jul 2026
Viewed by 290
Abstract
Aluminum honeycomb structures are widely used in the aeronautical, aerospace, marine, and automotive industries due to their excellent stiffness-to-weight ratio. However, machining these structures remains highly challenging because their thin, highly flexible cell walls are susceptible to plastic deformation and geometric defects. To [...] Read more.
Aluminum honeycomb structures are widely used in the aeronautical, aerospace, marine, and automotive industries due to their excellent stiffness-to-weight ratio. However, machining these structures remains highly challenging because their thin, highly flexible cell walls are susceptible to plastic deformation and geometric defects. To overcome these limitations, this study proposes an innovative machining approach that combines longitudinal-torsional ultrasonic vibration-assisted machining (LT-UVAM) with a 55-tooth CZD10 cutting tool. A three-dimensional finite element model was developed using Abaqus/Explicit 2017 to simulate the dynamic interactions between the cutting tool and the honeycomb cell walls during the milling process. Following experimental validation on a high-speed machining center, the model was employed to investigate the effects of cutting and vibration parameters on the machining performance. The results demonstrate that longitudinal-torsional ultrasonic vibration coupling significantly reduces the cutting forces, resulting in a 26% to 42% reduction in the axial force component (Fz). Furthermore, vibration assistance effectively limits cell wall deflection, reducing the stress levels by up to 60% in the thinnest walls while maintaining them below the critical Euler buckling load. Furthermore, an ultrasonic vibration frequency of 22.5 kHz almost completely eliminates plastic deformation, while a vibration amplitude of 25 µm significantly reduces tool wear by promoting intermittent tool–workpiece contact, thereby facilitating chip evacuation. Ultimately, the LT-UVAM process produces finer and more uniform chips, leading to improved machining quality, enhanced dimensional accuracy, and extended tool life. Full article
(This article belongs to the Special Issue Manufacturing and Machining of Composites)
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