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NDT, Volume 1, Issue 1

December 2023 - 6 articles

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Articles (6)

  • Article
  • Open Access
4 Citations
3,064 Views
16 Pages
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Ultrasonic Non-Contact Air-Coupled Technique for the Assessment of Composite Sandwich Plates Using Antisymmetric Lamb Waves

  • Eduardo Moreno,
  • Roberto Giacchetta,
  • Ricardo Gonzalez,
  • David Sanchez,
  • Olalla Sanchez-Sobrado,
  • Andrea Torre-Poza,
  • Guillermo Cosarinsky and
  • Wagner Coelho
NDT2023, 1(1), 58-73;https://doi.org/10.3390/ndt1010006

28 October 2023

This paper describes the design and implementation of an ultrasonic non-contact air-coupled technique (UNCACT) using antisymmetric Lamb waves (ALW) for NDT assessments in novel composite sandwich plates of a car body shell. This technique is compleme...

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  • Article
  • Open Access
9 Citations
2,616 Views
12 Pages
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Wind Turbine Surface Defect Detection Method Based on YOLOv5s-L

  • Chang Liu,
  • Chen An and
  • Yifan Yang
NDT2023, 1(1), 46-57;https://doi.org/10.3390/ndt1010005

13 October 2023

In order to solve the problems of low efficiency, time consumption and high costs in the detection of defects on wind turbine surfaces in industrial scenarios, an improved YOLOv5 algorithm for wind turbine surface defect detection is proposed, named...

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  • Article
  • Open Access
1 Citations
2,330 Views
11 Pages
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A Novel Method for Reducing the Lift-Off Effect in Coercivity Measurement through Auxiliary Inductance Data

  • Ruilin Lyu,
  • Tian Meng,
  • Yuchun Shao,
  • Jorge Ricardo Salas Avila and
  • Wuliang Yin
NDT2023, 1(1), 35-45;https://doi.org/10.3390/ndt1010004

9 September 2023

Coercivity is the strength of the reverse magnetic field required to demagnetize a material after saturation, and it is an indication of the hardness of magnetic materials. Air gaps cause errors in coercivity measurement referred to as the lift-off e...

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  • Article
  • Open Access
6 Citations
2,619 Views
13 Pages
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Development of Non-Destructive Dynamic Characterization Technique for MMCs: Predictions of Mechanical Properties for Al@Al2O3 Composites

  • Ajay D. Pingale,
  • Diplesh Gautam,
  • Ayush Owhal,
  • Dhruv Deshwal,
  • Sachin U. Belgamwar and
  • Venkatesh K. P. Rao
NDT2023, 1(1), 22-34;https://doi.org/10.3390/ndt1010003

31 July 2023

In the past several decades, many destructive and non-destructive testing techniques have been developed to evaluate the characteristics of metal matrix composites (MMCs). This research aims to calculate the mechanical properties of the Al@Al2O3 comp...

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  • Article
  • Open Access
2 Citations
2,343 Views
19 Pages
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Defect Localization in Metal Plates Using Vibroacoustic Modulation

  • Mohammad M. Bazrafkan and
  • Marcus Rutner
NDT2023, 1(1), 3-21;https://doi.org/10.3390/ndt1010002

16 July 2023

This paper reviews the state-of-the-art approaches in defect localization and specifies the remaining questions and challenges. Furthermore, this study presents a novel defect localization methodology using the nonlinear interaction of primary Lamb w...

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