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Non-Destructive Testing of Materials and Parts: Techniques, Case Studies and Practical Applications—2nd Edition

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 483

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, ISEP, Polytechnic of Porto, Porto, Portugal
Interests: composites; machining; damage onset and propagation; damage assessment; image processing; non-destructive testing; mechanical testing
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Guest Editor
Department of Industrial Production Engineering, Instituto Superior de entre Douro e Vouga, Santa Maria da Feira, Portugal
Interests: biodegradable composites; green composites; mechanical characterization; production technologies; damage assessment; non-destructive techniques
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Non-destructive testing (NDT) is the application of scientific principles of physics, chemistry, and mathematics for the development of adequate procedures and specific equipment that can be used to study a part, object, or complex structure, such as a car, airplane, or railway bridge, without causing any harm to the object under examination.

NDT is also used in many other industries, as well as in other non-industrial applications; for example, NDT makes sure that parts do not have defects that would cause customer unhappiness or ensure that they adhere to strict safety regulations (such as passengers in airports). Some of the equipment and procedures used in NDT can also be found in the medical field, such as X-rays in dental work or ultrasounds in echography.

Presently, there is no doubt about the importance of NDT, as it leads to considerable savings by not destroying parts, some of them expensive, gradually replacing still all-too-present destructive testing techniques. Today, there are many NDT techniques available and the field of quality control works to perfect these technologies year after year.

This Special Issue intends to act as a forum for the presentation of the latest developments in this field of research and development, as well as for the demonstration of practical application cases of NDT in all industrial areas that can help foster future developments in this interesting subject. The most recent breakthroughs in the development of equipment and instruments by NDT machine manufacturers will play an important role, demonstrating cutting-edge techniques and novel possibilities for its usage in new areas. Emerging technologies should not be disregarded, such as automation, which reduces the need for human operators; augmented reality (AR), which overlays digital information onto the real world; artificial intelligence (AI), which can process NDT data; or even nanotechnology, used for the detection of small defects or flaws, invisible to traditional methods.

As Editors of this 2nd Edition Special Issue, it is our pleasure to invite you to submit a manuscript, whether in the form of a research article or a review article. Complete papers, communications, and reviews are all welcome. All submissions will be peer reviewed, and a first decision will be provided to authors approximately 14 days after submission. Once accepted, papers will be published in the journal and listed on the Special Issue webpage.

Prof. Dr. Luís Miguel Pereira Durão
Prof. Dr. Nuno Calçada Loureiro
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

  • NDT techniques
  • image processing
  • damage assessment
  • damage modelling
  • reliability
  • safety
  • mechanical strength
  • standardization

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Related Special Issue

Published Papers (1 paper)

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Research

19 pages, 2262 KiB  
Article
Evaluation of NDT Methods for In Situ Documentation of Concrete for Reuse: Laboratory Studies
by Serkan Karatosun, Thomas Ingeman-Nielsen and Lisbeth M. Ottosen
Materials 2025, 18(11), 2470; https://doi.org/10.3390/ma18112470 - 24 May 2025
Viewed by 351
Abstract
Concrete production has significant environmental impacts due to extensive raw material use and high CO2 emissions. Reusing structural concrete elements can potentially reduce these environmental impacts by reducing the demand for new production. However, reliable and practical documentation of concrete properties is [...] Read more.
Concrete production has significant environmental impacts due to extensive raw material use and high CO2 emissions. Reusing structural concrete elements can potentially reduce these environmental impacts by reducing the demand for new production. However, reliable and practical documentation of concrete properties is needed for safe and scalable reuse. Although several non-destructive testing (NDT) methods show promise for in situ assessment of concrete properties, a clear gap remains in implementing them into a comprehensive approach for reuse documentation. This study investigates the potential of combining ultrasonic pulse velocity (UPV), rebound hammer (RH), and electrical resistivity (ER) methods for documenting concrete properties for reuse. Several parameters relevant to reuse scenarios, such as saturation level and aggregate type and size, were systematically evaluated to understand their impact on NDT documentation of concrete for reuse. NDT documentation of compressive strength and chloride migration coefficient was assessed on 120 cylindrical specimens. Fifteen concrete mixtures were used with three aggregate compositions and five water–cement ratios. The experimental results are discussed in the context of in situ documentation of structural elements in donor buildings to ensure the practical applicability of the findings. The findings show that these NDT methods can potentially document the properties of concrete reliably and practically, thereby addressing the lack of in situ documentation procedures needed to enable the safe and scalable reuse of structural elements. Full article
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