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Future Perspectives on Carbon Fibers and Their Composites

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

Deadline for manuscript submissions: closed (20 May 2023) | Viewed by 1674

Special Issue Editor


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Guest Editor
Institute of Lightweight Engineering and Polymer Technology, Technische Universität Dresden, D-01307 Dresden, Germany
Interests: carbon fibers based on PAN, natural sources; ceramic fibers based on polysilanes, carbonitrosilanes; ceramic composites (SiC based), SiC/SiC, S/SiC; carbon fiber reinforced composites, thermosettings, thermoplastics; CF process technologies (200-300 °C)
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Special Issue Information

Dear Colleagues,

Lightweight materials are essential for all types of mobility and engineering constructions. During use, they significantly enable the reduction of CO2 emissions. However, the use of carbon fibers as reinforcement materials requires intense energy for their generation. Therefore, for future applications, the CO2 reduction potential is essential. As a consequence, we need to focus and understand the reduction potentials of carbon fiber processing as well as the savings made during their use as reinforcement materials.

The present Special Issue, therefore, focuses on alternative, renewable raw materials as precursor materials for carbon fiber processing. The latest scientific directions especially prescribe the use of alternative raw materials, i.e., lignin/cellulose compositions. Energy efficient process technologies such as low pressure stabilization for the conversion to carbon fibers demonstrate a unique contribution to CO2 equivalents for all types of precursors. Especially with regard to current discussions on the significant weight increase for electric cars due to battery load, such contributions open up new possibilities for future applications, such as hybrid materials. Additionally, the use of hydrogen as a future energy source for electric cars and energy generation, as well as for storage potential in aviation and cars, requires the application of carbon fibers with unique properties in composites. The aviation and space markets are typical current markets and will further demonstrate its potential, especially in satellite applications. Composites with silicon carbide as the matrix will enable a significant reduction in the fine dust from brakes and, in addition, with a longer lifetime and reduced weight, will contribute to energy reduction during the use phase. Furthermore, the reinforcement of concrete finally demonstrates the unique potential for a reduction of CO2 by replacing steel already in use, which has significant advantages due to its non-corrosion attribute. This Special Issue will, therefore, focus especially on future raw materials, technologies, and markets contributing to overall significant CO2 reductions.

Prof. Dr. Hubert Jäger
Guest Editor

Manuscript Submission Information

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Keywords

  • advanced raw materials
  • trends in technology development for carbon fiber processes
  • latest trends in composites with carbon fibers
  • ceramic matrix composites with carbon fibers
  • carbon fiber-reinforced concretes
  • CO2 emission reduction with carbon fiber applications
  • carbon fiber in hybride composites
  • trends for carbon fiber composite markets

Published Papers (1 paper)

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Research

19 pages, 6131 KiB  
Article
A New Strengthening Process for Carbon-Fiber-Reinforced Thermoplastic Polyphenylene Sulfide (CFRTP-PPS) Interlayered Composite by Electron Beam Irradiation to PPS Prior to Lamination Assembly and Hot Press
by Keisuke Takeda, Hideki Kimura, Michael C. Faudree, Helmut Takahiro Uchida, Kohei Sagawa, Eiichi Miura, Michelle Salvia and Yoshitake Nishi
Materials 2023, 16(7), 2823; https://doi.org/10.3390/ma16072823 - 01 Apr 2023
Cited by 1 | Viewed by 1360
Abstract
Impact by hailstone, volcanic rock, bird strike, or also dropping tools can cause damage to aircraft materials. For maximum safety, the goal is to increase Charpy impact strength (auc) of a carbon-fiber-reinforced thermoplastic polyphenylene sulfide polymer (CFRTP-PPS) composite for potential [...] Read more.
Impact by hailstone, volcanic rock, bird strike, or also dropping tools can cause damage to aircraft materials. For maximum safety, the goal is to increase Charpy impact strength (auc) of a carbon-fiber-reinforced thermoplastic polyphenylene sulfide polymer (CFRTP-PPS) composite for potential application to commercial aircraft parts. The layup was three cross-weave CF plies alternating between four PPS plies, [PPS-CF-PPS-CF-PPS-CF-PPS], designated [PPS]4[CF]3. To strengthen, a new process for CFRP-PPS was employed applying homogeneous low voltage electron beam irradiation (HLEBI) to both sides of PPS plies prior to lamination assembly with untreated CF, followed by hot press under 4.0 MPa at 573 K for 8 min. Experimental results showed a 5 kGy HLEBI dose was at or near optimum, increasing auc at each accumulative probability, Pf. Optical microscopy of 5 kGy sample showed a reduction in main crack width with significantly reduced CF separation and pull-out; while, scanning electron microscopy (SEM) and electron dispersive X-ray (EDS) mapping showed PPS adhering to CF. Electron spin resonance (ESR) of a 5 kGy sample indicated lengthening of PPS chains as evidenced by a reduction in dangling bond peak. It Is assumed that 5 kGy HLEBI creates strong bonds at the interface while strengthening the PPS bulk. A model is proposed to illustrate the possible strengthening mechanism. Full article
(This article belongs to the Special Issue Future Perspectives on Carbon Fibers and Their Composites)
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