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Progress in Nondestructive Testing and Evaluation

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 20 November 2024 | Viewed by 2947

Special Issue Editors

School of Transportation, Southeast University, Nanjing 211189, China
Interests: ground-penetrating radar and nondestructive testing; signal and image processing; deep learning; Dempster-Shafer theory and uncertainty reasoning
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Guest Editor
School of Transportation, Southeast University, Nanjing 211189, China
Interests: theoretical study and practical application in pavement structure defect detection and health monitoring using surface wave, TSD, 3D GPR
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Non-destructive testing and evaluation (NDT&E) refers to any of a wide group of analysis techniques used in science and technology industry to evaluate the properties of a material, component or system without causing damage. The group of NDT&E mainly includes six methods: eddy-current, magnetic-particle, liquid penetrant, radiographic, electromagnetic, ultrasonic, and visual testing. These methods have been widely used in forensic engineering, mechanical engineering, petroleum engineering, electrical engineering, civil engineering, systems engineering, aeronautical engineering, medicine, and art. In addition, innovations in the field of NDT&E have had a profound impact on medical imaging, such as echocardiography, medical ultrasonography, and digital radiography.

The purpose of this Special Issue is to shed light on new frontiers in NDT&E, including novel approaches and devices for NDT&E, inverse problem evaluation, and pioneering interdisciplinary research on NDT&E and deep learning. Owing to technical breakthroughs in the field of NDT&E, numerous endeavors are being undertaken in, but not limited to, the following areas:

  • Innovation applications and methodologies in the field of NDT&E;
  • Inversion methods in NDT&E;
  • Interdisciplinary of NDT&E and machine learning;
  • Simulation methods in in NDT&E;
  • Automation of NDT&E;
  • Information fusion in multi-NDTs.

Applied Sciences has scheduled a Special Issue, "New Frontiers in Nondestructive Testing and Evaluation", to gather the results of a great number of researchers and engineers to address the ongoing challenges of technological advances in NDT&E.

Articles published in Applied Sciences require the author(s) to support the financial costs involved in open access publishing. This journal has a high Impact Factor (2.679). Beyond that, we foresee that this Special Issue will be an excellent opportunity to contribute to the future development of the non-destructive testing and evaluation industry and laboratories.

We look forward to your involvement.

Dr. Zheng Tong
Dr. Weiguang Zhang
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. Applied Sciences 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 2400 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

  • nondestructive testing
  • penetrating radiation
  • X-rays, computed tomography (CT)
  • ground-penetrating radar
  • ultrasonic testing
  • liquid penetrant testing
  • visible inspection
  • machine learning
  • information fusion of multiple NDT&E methods
  • aleatory and epistemic uncertainty analysis on NDT&E data

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Published Papers (3 papers)

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Research

15 pages, 3753 KiB  
Article
Assessment of Coating Properties in Car Body by Ultrasonic Method
by Dariusz Ulbrich, Grzegorz Psuj, Dariusz Bartkowski and Aneta Bartkowska
Appl. Sci. 2024, 14(18), 8117; https://doi.org/10.3390/app14188117 - 10 Sep 2024
Viewed by 560
Abstract
Adhesive bonds, including car putty coatings, are used in the construction of modern motor vehicles. Therefore, it is important to improve methods that allow nondestructive evaluation of the properties of these joints. The main objective of this study was to evaluate selected properties [...] Read more.
Adhesive bonds, including car putty coatings, are used in the construction of modern motor vehicles. Therefore, it is important to improve methods that allow nondestructive evaluation of the properties of these joints. The main objective of this study was to evaluate selected properties of putty coatings such as the width of the applied coating and adhesion to the substrate based on changes in ultrasonic wave parameters. The research was carried out in two stages. In the first, the values of the surface wave amplitude were determined as a function of the width of the coating to the substrate. It was found that as the width of the coating increases, the amplitude of the surface wave pulse decreases. The second stage involved correlation studies to relate the reflection coefficient |r| to the adhesion of the coating to the substrate. Based on the results, it was found that as the value of the reflection coefficient decreases, the value of the coating’s adhesion to the substrate increases. The determined values of this parameter range from 0.30 to 0.86, which correspond to the adhesion of the range 1.51 to 18.97 MPa. The obtained test results have practical significance and can be used in evaluating the condition of coatings in vehicle body repair shops. Full article
(This article belongs to the Special Issue Progress in Nondestructive Testing and Evaluation)
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15 pages, 3570 KiB  
Article
Identifying Elastic Wave Velocity Distribution with Observation Arrival Time Errors Using Weighted Potential Time in Acoustic Emission Tomography
by Mikika Furukawa, Katsuya Nakamura, Kenichi Oda, Satoshi Shigemura and Yoshikazu Kobayashi
Appl. Sci. 2024, 14(16), 7040; https://doi.org/10.3390/app14167040 - 11 Aug 2024
Viewed by 681
Abstract
Acoustic emission tomography (“AET”) is used to visualize internal structural damage. In this study, we aimed to improve the accuracy of the identified elastic wave velocity distribution when including errors in the observed arrival time, which is used as the observation value in [...] Read more.
Acoustic emission tomography (“AET”) is used to visualize internal structural damage. In this study, we aimed to improve the accuracy of the identified elastic wave velocity distribution when including errors in the observed arrival time, which is used as the observation value in AET. Weights were assigned to the potential excitation times used in location determination and elastic wave velocity distribution according to the magnitude of the potential excitation time and the wave line length. As a result, 100 instances of observation errors were generated for each observation error ratio via truncated normal distribution. The analysis results showed that the normalization error of the elastic wave velocity distribution increased in about 85%, 90%, and 95% of the cases for observation error ratios of 5%, 10%, and 15%, respectively. In conclusion, the weights used for the potential excitation time were effective in identifying elastic wave velocity distribution. Full article
(This article belongs to the Special Issue Progress in Nondestructive Testing and Evaluation)
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19 pages, 4756 KiB  
Article
A Comprehensive Study on the Challenges of Using Pure Water Jet as Post-Treatment of Abrasive Water Jet Milled Pockets in Titanium Alloy
by Nikolaos E. Karkalos and Panagiotis Karmiris-Obratański
Appl. Sci. 2024, 14(5), 1741; https://doi.org/10.3390/app14051741 - 21 Feb 2024
Cited by 1 | Viewed by 1170
Abstract
Abrasive waterjet (AWJ) machining offers the possibility of creating a wide range of features on mechanical parts with different degrees of complexity with a relatively high efficiency. However, after the roughing passes, the surface quality of features such as blind pockets is rather [...] Read more.
Abrasive waterjet (AWJ) machining offers the possibility of creating a wide range of features on mechanical parts with different degrees of complexity with a relatively high efficiency. However, after the roughing passes, the surface quality of features such as blind pockets is rather low, with unfavorable implications for surface waviness and form deviations apart from high surface roughness. Apart from the traditional methods for finishing, such as grinding or lapping, it is worth attempting either to improve the surface quality obtained during roughing by an AWJ or to integrate a post-processing step by using a pure WJ in the existing process in order to ameliorate the surface quality. Thus, in the current study, the effect of pure waterjet (WJ) post-processing of machined pockets by AWJ milling on a Ti-6Al-4V workpiece using recycled glass beads was investigated under different conditions. The findings indicate that although the different post-processing treatments by a pure WJ can affect the surface quality on average, these differences are not considerably important, probably due to an insufficient capability of material removal, which hinders the smoothing effect on machined surfaces. Thus, it was indicated that a higher number of post-processing passes under different conditions than those of the roughing pass can be more favorable for efficient post-treatment by a pure WJ. Full article
(This article belongs to the Special Issue Progress in Nondestructive Testing and Evaluation)
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