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Nondestructive Testing (NDT): Technologies and Applications

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

Deadline for manuscript submissions: closed (20 July 2025) | Viewed by 647

Special Issue Editor


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Guest Editor
School of Reliability and Systems Engineering, Beihang University, Beijing 100191, China
Interests: structural health monitoring; lamb waves; signal processing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nondestructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component, or system without causing damage. With the development of large-scale structures (e.g., wind turbine blades) and complex materials (e.g., anisotropic carbon fiber-reinforced plastic materials) in fields such as aviation, aerospace, energy, and transportation, the inspection performance of traditional NDT methods is limited. In order to advance the development of NDT, technologies and applications of different NDT methods need to be further studied, including ultrasonic testing, acoustic emission testing, eddy current testing, radiographic inspection, infrared thermographic testing, etc. Specific innovative work on these NDT methods includes the development of new transducers, signal processing algorithms, the visual characterization of damage, damage localization, the quantitative evaluation of damage, etc. In summary, the research goal is to overcome the limitation of traditional methods and promote the development of NDT. Topics of interest for publication include, but are not limited to, the following:

  • Ultrasonic testing;
  • Acoustic emission testing;
  • Eddy current testing;
  • Radiographic inspection;
  • Infrared thermographic testing.

Dr. Jiadong Hua
Guest Editor

Manuscript Submission Information

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Keywords

  • nondestructive testing
  • large-scale structure
  • composite material
  • signal processing
  • damage localization
  • damage quantitative evaluation

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Published Papers (1 paper)

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Research

15 pages, 3552 KiB  
Article
Analysis of Uncertainty in Conveyor Belt Condition Assessment Using Time-Based Indicators
by Aleksandra Rzeszowska, Leszek Jurdziak, Ryszard Błażej and Paweł Lewandowicz
Appl. Sci. 2025, 15(14), 7939; https://doi.org/10.3390/app15147939 - 16 Jul 2025
Viewed by 365
Abstract
This study analyzes the impact of the type of transported material (overburden, lignite, mixture) on the rate of core damage accumulation in Type St conveyor belts in open-pit mines. The research was conducted using the DiagBelt+ diagnostic system, which enables the assessment of [...] Read more.
This study analyzes the impact of the type of transported material (overburden, lignite, mixture) on the rate of core damage accumulation in Type St conveyor belts in open-pit mines. The research was conducted using the DiagBelt+ diagnostic system, which enables the assessment of belt core condition without dismantling the belt. Data were collected from over 100 conveyor belt loops, covering segments of varying lengths, ages, and operational histories. Damage density and area were assessed, and differences were analyzed depending on the material type. The results indicate that belt age and damage density vary significantly with material type, while the Resurs indicator (percentage of expected operating time) shows no clear dependence on the material type. A multiple regression analysis was also performed to predict failure density based on operational variables, such as Age, Resurs results, Loop Length, and Segment Length. The regression model explains approximately 46% of the variability in damage density, indicating the need for further research to improve predictive accuracy. The study emphasizes the importance of using non-destructive diagnostic systems to optimize maintenance planning and enhance conveyor belt reliability. Full article
(This article belongs to the Special Issue Nondestructive Testing (NDT): Technologies and Applications)
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