Manufacturing of Fibrous Composites for Engineering Applications, Volume II

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Composites Manufacturing and Processing".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 3390

Special Issue Editor

School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: fibrous composites; metallic alloys; hybrid composite stacks; high-performance materials; functional surfaces; multilayer coatings; coating evaluation; coated tools; mechanical machining; materials processing; numerical modeling surface texturing
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Special Issue Information

Dear Colleagues,

Fibrous composites are one type of high-performance composite material featuring the presence of fiber-like reinforcement impregnated with different matrix bases, which have taken a prominent position in diverse engineering applications because of their unique mechanical/physical properties and outstanding structural functions. Manufacturing is a critical procedure to ensure the target dimensions and desired quality of fibrous composites. This involves technical issues frequently encountered in the fabrication, processing, and machining of these composite materials. To date, great endeavors have been made in the past few decades to address manufacturing issues associated with the engineering applications of fibrous composites. Precision manufacturing of these advanced composites has thus become a hot research topic in both academia and industry. Recent advances have been achieved covering both experimental and numerical investigations of manufacturing science and technology of fibrous composites.

This Special Issue seeks to report the latest research findings achieved by worldwide scholars focusing on the manufacturing science of fibrous composites for engineering applications. Well-organized papers covering both experimental and numerical studies of fabricating, processing, and machining fibrous composites are all welcome. It is our hope that this Special Issue will provide a platform for academic and industrial researchers to share and disseminate their original research results on all manufacturing aspects of fibrous composites.

Dr. Jinyang Xu
Guest Editor

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Keywords

  • fibrous composites
  • composite structures
  • CFRPs
  • GFRPs
  • KFRPs
  • fabrication
  • processing
  • machining
  • surface quality
  • experiments
  • numerical simulation

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Published Papers (2 papers)

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Research

22 pages, 11597 KiB  
Article
Effect of the Energy Director Material on the Structure and Properties of Ultrasonic Welded Lap Joints of PEI Plates with CF Fabric/PEI Prepreg
by Defang Tian, Vladislav O. Alexenko, Sergey V. Panin, Alexey A. Bogdanov and Dmitry G. Buslovich
J. Compos. Sci. 2024, 8(4), 150; https://doi.org/10.3390/jcs8040150 - 16 Apr 2024
Viewed by 1134
Abstract
To estimate the possibility of using both low-melting TecaPEI and neat PEI films as energy directors (EDs) for ultrasonic welding (USW) of carbon fiber (CF) fabric–polyetherimide (PEI) laminates, some patterns of structure formation and mechanical properties of their lap joints were investigated by [...] Read more.
To estimate the possibility of using both low-melting TecaPEI and neat PEI films as energy directors (EDs) for ultrasonic welding (USW) of carbon fiber (CF) fabric–polyetherimide (PEI) laminates, some patterns of structure formation and mechanical properties of their lap joints were investigated by varying the process parameters. The experiment was planned by the Taguchi method with the L9 orthogonal matrix. Based on the obtained results, USW parameters were optimized accounting for maintaining the structural integrity of the joined components and improving their functional characteristics. The use of the low-melting EDTecaPEI film enabled US-welding the laminates with minimal damage to the fusion zone, and the achieved lap shear strength (LSS) values of ~7.6 MPa were low. The use of EDSolverPEI excluded thermal degradation of the components as well as damage to the fusion zone, and improved LSS values to 21 MPa. With the use of digital image correlation (DIC) and computed tomography (CT) techniques, the structural factors affecting the deformation behavior of the USW lap joints were justified. A scheme was proposed that established the relationship between structural factors and the deformation response of the USW lap joints under static tension. The TecaPEI film can be used in USW procedures when very high interlayer adhesion properties are not on demand. Full article
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17 pages, 4661 KiB  
Article
Effect of Surface Coating and Plasma Treatment on Mechanical Properties of Wood Plastic Composites
by Wycliffe Ondiek, Masahiro Kondo, Maki Adachi, Arnaud Macadre and Koichi Goda
J. Compos. Sci. 2023, 7(7), 296; https://doi.org/10.3390/jcs7070296 - 17 Jul 2023
Cited by 4 | Viewed by 1645
Abstract
Mechanical properties of plasma-irradiated and surface-coated wood plastic composites (WPCs) have been investigated in this paper. WPCs were developed by injection molding technique using wood fiber (WF) as reinforcement and polypropylene (PP) as matrix. The short, discontinuous WF was compounded with thermoplastic PP [...] Read more.
Mechanical properties of plasma-irradiated and surface-coated wood plastic composites (WPCs) have been investigated in this paper. WPCs were developed by injection molding technique using wood fiber (WF) as reinforcement and polypropylene (PP) as matrix. The short, discontinuous WF was compounded with thermoplastic PP at varying weight fractions of 0 wt%, 25 wt% (WP25), and 50 wt% (WP50) to yield tensile test specimens in accordance with JIS K7139-A32 standards. Subsequently, plasma treatment was performed on the test-pieces, followed by surface coating by immersion in acrylic resin liquid containing homogeneously dispersed TEMPO-oxidized cellulose nanofibers (CNF). The results indicate an increase in surface roughness after plasma irradiation, but surface coating of the specimens with acrylic paint and CNF decreased their surface roughness by ∼50% in comparison to the untreated specimens. Plasma treatment and surface coating also increased the tensile strength of neat PP, WP25 and WP50 specimens by 5.4–7.1%, 3.5–3.7% and 3.0–3.6%, respectively, whereas their fracture strains tended to decrease. Compared to the untreated specimens, the surface-coated specimens generally displayed higher tensile strength. This finding is a corroboration that the observed increase in strength is highly contingent on the adhesion between the specimen surface and the coating layer than on the improvement in surface roughness. Thus, it is inferable that surface coating could be of great importance in enhancing the mechanical performance of WPCs. Full article
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