Thermal Testing of Corundum Ceramic Plates

Chernykh, S. E.; Kostin, V. N.; Komolikov, Yu. I.

doi:10.1134/s1061830923700535

Russ J Nondestruct Test

2023

DOI: 10.1134/s1061830923700535

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Thermal Testing of Corundum Ceramic Plates

S. E. Chernykh,

V. N. Kostin,

Yu. I. Komolikov

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2024

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Cited by 2 publications

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Thermal Testing of Corundum Ceramics: Conventional Techniques under Optical Heating

Chernykh,

Vavilov,

Kostin

et al. 2024

Russ J Nondestruct Test

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Thermal Testing of Corundum Ceramics: Conventional Techniques under Optical Heating

Chernykh,

Vavilov,

Kostin

et al. 2024

Russ J Nondestruct Test

View full text Add to dashboard Cite

Novel Statistical Analysis Schemes for Frequency-Modulated Thermal Wave Imaging for Inspection of Ship Hull Materials

Singh,

Arora,

Babu

et al. 2024

NDT

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In the field of thermal non-destructive testing and evaluation (TNDT&E), active thermography gained popularity due to its fast wide-area monitoring and remote inspection capability to assess materials without compromising their future usability. Among the various active thermographic methods, pulse compression-favorable frequency-modulated thermal wave imaging stands out for its enhanced detectability and depth resolution. In this study, an experimental investigation has been carried out on a hardened steel sample used in the ship building industry with a flat-bottom-hole-simulated defect using the frequency-modulated thermal wave imaging (FMTWI) technique. The defect detection capabilities of FMTWI have been investigated from various statistical post-processing approaches and compared by taking the signal-to-noise ratio (SNR) as a figure of merit. Among various adopted statistical post-processing techniques, pulse compression has been carried out using different methods, namely the offset removal with polynomial curve fitting and principal component analysis (PCA), which is an unsupervised learning approach for data reduction and offset removal with median centering for data standardization. The performance of these techniques was assessed through experimental investigations on hardened steel specimens used in ship building to provide valuable insights into their effectiveness in defect detection capabilities.

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Thermal Testing of Corundum Ceramic Plates

Cited by 2 publications

References 11 publications

Thermal Testing of Corundum Ceramics: Conventional Techniques under Optical Heating

Thermal Testing of Corundum Ceramics: Conventional Techniques under Optical Heating

Novel Statistical Analysis Schemes for Frequency-Modulated Thermal Wave Imaging for Inspection of Ship Hull Materials

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