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Evaluation of Laminated Composites Reinforced by High-performance Kevlar Filaments with Variable SiO2: Mechanical, Morphological & Thermal Tests

Received: 12 August 2020     Accepted: 24 August 2020     Published: 16 September 2020
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Abstract

In contemporary years, a necessity to produce satisfactory and progressive modules for engineering roles have been expanded rapidly. Laminated fiber-strengthened composite substances have well-made candidature for satisfying those factors with huge applications in nearly all regions of engineering and technology. Glass, Carbon, and aramid fibers are using extensively for the manufacturing of fiber-bolstered polymer composites. Kevlar is the highly accepted aramid fiber having an extended chain of strong, ring-like aromatic molecules. Superior temperature and shock-resistant aspects make kevlar the maximum promising antiballistic fabric with balance at elevated temperatures. It is extensively used for human body armor panels for light-weight army vehicles, bulletproof jackets, and fireproof bodysuits, and in aerospace industries, etc. In this work, we tested the tensile, flexural, and impacts strength of kevlar 49 (K-49) fiber-reinforced polymer complex. We additionally characterized its DTG/TG test, FTIR test, and SEM analysis for a definite and reliable notion of it. The composite samples used on this work had been organized with the aid of using hand lay-up procedure. All Mechanical characterizations had been carried out according to the necessities of ASTM standards. In this study, highest tensile strength and elastic modulus was observed for 5*% milled silica and lowest for composite with 0% silica. Composite C4 of 2% silica shows the maximum hardness in both Leeb rebound and Vickers micro hardness method (320.1HV, 447.8HRC). DTG curves of composites show that at 378.8°C, and 355.5°C the rate of degradation of the composite was 559 µg/min, and 58.5µg/min for composite C1, and C7 respectively. However, the findings were supported by FTIR and SEM images analysis.

Published in Composite Materials (Volume 4, Issue 2)
DOI 10.11648/j.cm.20200402.11
Page(s) 15-24
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Kevlar, Laminated Composite, Tensile Strength, Flexural Strength, Water Absorption, Hardness, FTIR, SEM

References
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    Md. Sahab Uddin, Md. Shariful Islam, Farjana Showline Chaity, Md. Ali Akbar, Shahin Akand, et al. (2020). Evaluation of Laminated Composites Reinforced by High-performance Kevlar Filaments with Variable SiO2: Mechanical, Morphological & Thermal Tests. Composite Materials, 4(2), 15-24. https://doi.org/10.11648/j.cm.20200402.11

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    ACS Style

    Md. Sahab Uddin; Md. Shariful Islam; Farjana Showline Chaity; Md. Ali Akbar; Shahin Akand, et al. Evaluation of Laminated Composites Reinforced by High-performance Kevlar Filaments with Variable SiO2: Mechanical, Morphological & Thermal Tests. Compos. Mater. 2020, 4(2), 15-24. doi: 10.11648/j.cm.20200402.11

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    AMA Style

    Md. Sahab Uddin, Md. Shariful Islam, Farjana Showline Chaity, Md. Ali Akbar, Shahin Akand, et al. Evaluation of Laminated Composites Reinforced by High-performance Kevlar Filaments with Variable SiO2: Mechanical, Morphological & Thermal Tests. Compos Mater. 2020;4(2):15-24. doi: 10.11648/j.cm.20200402.11

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  • @article{10.11648/j.cm.20200402.11,
      author = {Md. Sahab Uddin and Md. Shariful Islam and Farjana Showline Chaity and Md. Ali Akbar and Shahin Akand and M. A. Gafur and A. M. Sarwaruddin Chowdhury},
      title = {Evaluation of Laminated Composites Reinforced by High-performance Kevlar Filaments with Variable SiO2: Mechanical, Morphological & Thermal Tests},
      journal = {Composite Materials},
      volume = {4},
      number = {2},
      pages = {15-24},
      doi = {10.11648/j.cm.20200402.11},
      url = {https://doi.org/10.11648/j.cm.20200402.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cm.20200402.11},
      abstract = {In contemporary years, a necessity to produce satisfactory and progressive modules for engineering roles have been expanded rapidly. Laminated fiber-strengthened composite substances have well-made candidature for satisfying those factors with huge applications in nearly all regions of engineering and technology. Glass, Carbon, and aramid fibers are using extensively for the manufacturing of fiber-bolstered polymer composites. Kevlar is the highly accepted aramid fiber having an extended chain of strong, ring-like aromatic molecules. Superior temperature and shock-resistant aspects make kevlar the maximum promising antiballistic fabric with balance at elevated temperatures. It is extensively used for human body armor panels for light-weight army vehicles, bulletproof jackets, and fireproof bodysuits, and in aerospace industries, etc. In this work, we tested the tensile, flexural, and impacts strength of kevlar 49 (K-49) fiber-reinforced polymer complex. We additionally characterized its DTG/TG test, FTIR test, and SEM analysis for a definite and reliable notion of it. The composite samples used on this work had been organized with the aid of using hand lay-up procedure. All Mechanical characterizations had been carried out according to the necessities of ASTM standards. In this study, highest tensile strength and elastic modulus was observed for 5*% milled silica and lowest for composite with 0% silica. Composite C4 of 2% silica shows the maximum hardness in both Leeb rebound and Vickers micro hardness method (320.1HV, 447.8HRC). DTG curves of composites show that at 378.8°C, and 355.5°C the rate of degradation of the composite was 559 µg/min, and 58.5µg/min for composite C1, and C7 respectively. However, the findings were supported by FTIR and SEM images analysis.},
     year = {2020}
    }
    

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  • TY  - JOUR
    T1  - Evaluation of Laminated Composites Reinforced by High-performance Kevlar Filaments with Variable SiO2: Mechanical, Morphological & Thermal Tests
    AU  - Md. Sahab Uddin
    AU  - Md. Shariful Islam
    AU  - Farjana Showline Chaity
    AU  - Md. Ali Akbar
    AU  - Shahin Akand
    AU  - M. A. Gafur
    AU  - A. M. Sarwaruddin Chowdhury
    Y1  - 2020/09/16
    PY  - 2020
    N1  - https://doi.org/10.11648/j.cm.20200402.11
    DO  - 10.11648/j.cm.20200402.11
    T2  - Composite Materials
    JF  - Composite Materials
    JO  - Composite Materials
    SP  - 15
    EP  - 24
    PB  - Science Publishing Group
    SN  - 2994-7103
    UR  - https://doi.org/10.11648/j.cm.20200402.11
    AB  - In contemporary years, a necessity to produce satisfactory and progressive modules for engineering roles have been expanded rapidly. Laminated fiber-strengthened composite substances have well-made candidature for satisfying those factors with huge applications in nearly all regions of engineering and technology. Glass, Carbon, and aramid fibers are using extensively for the manufacturing of fiber-bolstered polymer composites. Kevlar is the highly accepted aramid fiber having an extended chain of strong, ring-like aromatic molecules. Superior temperature and shock-resistant aspects make kevlar the maximum promising antiballistic fabric with balance at elevated temperatures. It is extensively used for human body armor panels for light-weight army vehicles, bulletproof jackets, and fireproof bodysuits, and in aerospace industries, etc. In this work, we tested the tensile, flexural, and impacts strength of kevlar 49 (K-49) fiber-reinforced polymer complex. We additionally characterized its DTG/TG test, FTIR test, and SEM analysis for a definite and reliable notion of it. The composite samples used on this work had been organized with the aid of using hand lay-up procedure. All Mechanical characterizations had been carried out according to the necessities of ASTM standards. In this study, highest tensile strength and elastic modulus was observed for 5*% milled silica and lowest for composite with 0% silica. Composite C4 of 2% silica shows the maximum hardness in both Leeb rebound and Vickers micro hardness method (320.1HV, 447.8HRC). DTG curves of composites show that at 378.8°C, and 355.5°C the rate of degradation of the composite was 559 µg/min, and 58.5µg/min for composite C1, and C7 respectively. However, the findings were supported by FTIR and SEM images analysis.
    VL  - 4
    IS  - 2
    ER  - 

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Author Information
  • Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Dhaka, Bangladesh

  • Department of Aeronautical Engineering, Military Institute of Science and Technology (MIST), Dhaka, Bangladesh

  • Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh

  • Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Dhaka, Bangladesh

  • Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Dhaka, Bangladesh

  • Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh

  • Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Dhaka, Bangladesh

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