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Sensing and Monitoring Technologies in Composite Materials

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

Deadline for manuscript submissions: 20 December 2024 | Viewed by 1133

Special Issue Editors


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Guest Editor
Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland
Interests: eddy current testing; electromagnetism; impedance analysis; analytical modeling

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Guest Editor
CNDE, Iowa State University, Ames, IA, USA
Interests: nondestructive evaluation; eddy current testing; electromagnetic modeling; materials evaluation
Special Issues, Collections and Topics in MDPI journals
Key Laboratory of Nondestructive Testing (Ministry of Education), Nanchang Hankong University, Nanchang, China
Interests: nondestructive testing; magnetic sensors; signal processing; pulsed eddy current
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Composite materials have gained significant attention across various industries due to their unique combination of properties, including high strength-to-weight ratio, corrosion resistance, and durability. However, ensuring the structural integrity and quality of composite materials requires a rigorous testing and quality assurance program.

This Special Issue covers various key techniques and approaches for composite material testing and quality assurance. These include:

Composites non-destructive testing (NDT). The use of eddy current testing, ultrasonic testing, X-ray, and thermography to detect internal defects or damage without damaging the material.

Thermal, physical, and mechanical testing: A range of testing methods used to evaluate the properties of composite materials under different conditions, including testing for strength, stiffness, thermal conductivity, electrical properties, and other relevant characteristics.

Automatic process monitoring for composite production: The use of sensors and other monitoring techniques to monitor parameters such as temperature, pressure, electrical conductivity, and viscosity during the manufacturing process.

Destructive testing of composite materials: The use of a range of destructive tests such as tensile, compression, or hardness testing to evaluate the strength and quality of the material.

The Special Issue provides a comprehensive overview of the various techniques used for testing and quality assurance of composite material. By incorporating these techniques into composite manufacturing and maintenance processes, industries can ensure the durability and reliability of their composite materials and products.

Dr. Grzegorz Tytko
Dr. Mingyang Lu
Dr. Zhiyuan Xu
Guest Editors

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

  • composites non-destructive testing (NDT)
  • determination of geometric dimensions
  • thermal, physical and mechanical testing
  • automatic process monitoring for composite production
  • damage identification
  • health monitoring of composite structures
  • macroscopic and microscopic examination
  • destructive testing of composite materials
  • sensors, probes and devices for composite materials
  • manufacturing defects

Published Papers (1 paper)

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Research

15 pages, 7286 KiB  
Article
Improvement of the Piezoresistive Behavior of Poly (vinylidene fluoride)/Carbon Nanotube Composites by the Addition of Inorganic Semiconductor Nanoparticles
by Müslüm Kaplan, Emre Alp, Beate Krause and Petra Pötschke
Materials 2024, 17(4), 774; https://doi.org/10.3390/ma17040774 - 6 Feb 2024
Viewed by 778
Abstract
Conductive polymer composites (CPCs), obtained by incorporating conductive fillers into a polymer matrix, are suitable for producing strain sensors for structural health monitoring (SHM) in infrastructure. Here, the effect of the addition of inorganic semiconductor nanoparticles (INPs) to a poly (vinylidene fluoride) (PVDF) [...] Read more.
Conductive polymer composites (CPCs), obtained by incorporating conductive fillers into a polymer matrix, are suitable for producing strain sensors for structural health monitoring (SHM) in infrastructure. Here, the effect of the addition of inorganic semiconductor nanoparticles (INPs) to a poly (vinylidene fluoride) (PVDF) composite filled with multi-walled carbon nanotubes (MWCNTs) on the piezoresistive behavior is investigated. INPs with different morphologies and sizes are synthesized by a hydrothermal method. The added inorganic oxide semiconductors showed two distinct morphologies, including different phases. While particles with flower-like plate morphology contain phases of orth-ZnSnO3 and SnO, the cauliflower-like nanoparticles contain these metal oxides and ZnO. The nanoparticles are characterized by field-emission scanning electron microscopy (FE-SEM) and X-ray diffraction (XRD), and the nanocomposites by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). Cyclic tensile testing is applied to determine the strain-sensing behavior of PVDF/1 wt% MWCNT nanocomposites with 0–10 wt% inorganic nanoparticles. Compared to the PVDF/1 wt% MWCNT nanocomposite, the piezoresistive sensitivity is higher after the addition of both types of nanoparticles and increases with their amount. Thereby, nanoparticles with flower-like plate structures improve strain sensing behavior slightly more than nanoparticles with cauliflower-like structures. The thermogravimetric analysis results showed that the morphology of the semiconductor nanoparticles added to the PVDF/MWCNT matrix influences the changes in thermal properties. Full article
(This article belongs to the Special Issue Sensing and Monitoring Technologies in Composite Materials)
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