Experimental Evaluation of 2D-DIC Limitations for Hightemperature Surface Inspection: Speckle Degradation, Oxidation, and Out-of-Plane Motion; IEEE Instrumentation & Measurement Magazine; Vol. 29, iss. 2
| Parent link: | IEEE Instrumentation & Measurement Magazine.— : IEEE Vol. 29, iss. 2.— 2026.— P. 30-37 |
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| Riassunto: | Title screen Digital Image Correlation (DIC) is a critical non-contact optical method for strain and deformation analysis in harsh environments such as high-temperature nuclear applications. However, its accuracy under extreme conditions remains challenged by speckle pattern instability, surface oxidation, and out-of-plane motion. In this study, we evaluate 2D-DIC limitations through real experimental testing of ceramic, steel, and copper specimens under temperatures up to 390°C. A well-validated open-source DIC code (iCorrelate-2D vision) was used to address errors induced by speckle degradation, thermal oxidation, and specimen buckling. The obtained results show that laser-generated speckles on the surface of the steel sample fail at 205°C because of surface oxidation, whereas natural speckle patterns on ceramics offer accurate strain measurements up to fracture (112°C). Out-of-plane creep of the thin copper sheets resulted in fully inaccurate results. As a result of this research, suggestions and recommendations to mitigate DIC limitations under high temperature are given, such as enhanced correlation algorithms, 3D-DIC for buckling scenarios, and oxidation-resistant coatings. These results contribute to the structural safety evaluation in energy applications by offering useful recommendations and guidelines for DIC implementation in harsh environments such as nuclear facility monitoring and high-temperature material testing Текстовый файл |
| Lingua: | inglese |
| Pubblicazione: |
2026
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| Accesso online: | https://doi.org/10.1109/MIM.2025.11224810 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=686182 |
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| 200 | 1 | |a Experimental Evaluation of 2D-DIC Limitations for Hightemperature Surface Inspection: Speckle Degradation, Oxidation, and Out-of-Plane Motion |f Abdelmeguid Abouellail, Maxim V. Trigub | |
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| 330 | |a Digital Image Correlation (DIC) is a critical non-contact optical method for strain and deformation analysis in harsh environments such as high-temperature nuclear applications. However, its accuracy under extreme conditions remains challenged by speckle pattern instability, surface oxidation, and out-of-plane motion. In this study, we evaluate 2D-DIC limitations through real experimental testing of ceramic, steel, and copper specimens under temperatures up to 390°C. A well-validated open-source DIC code (iCorrelate-2D vision) was used to address errors induced by speckle degradation, thermal oxidation, and specimen buckling. The obtained results show that laser-generated speckles on the surface of the steel sample fail at 205°C because of surface oxidation, whereas natural speckle patterns on ceramics offer accurate strain measurements up to fracture (112°C). Out-of-plane creep of the thin copper sheets resulted in fully inaccurate results. As a result of this research, suggestions and recommendations to mitigate DIC limitations under high temperature are given, such as enhanced correlation algorithms, 3D-DIC for buckling scenarios, and oxidation-resistant coatings. These results contribute to the structural safety evaluation in energy applications by offering useful recommendations and guidelines for DIC implementation in harsh environments such as nuclear facility monitoring and high-temperature material testing | ||
| 336 | |a Текстовый файл | ||
| 461 | 1 | |t IEEE Instrumentation & Measurement Magazine |n IEEE | |
| 463 | 1 | |t Vol. 29, iss. 2 |v P. 30-37 |d 2026 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a vision-based measurement | |
| 610 | 1 | |a optical inspection | |
| 610 | 1 | |a Digital Image Correlation (DIC) | |
| 610 | 1 | |a High-Temperature Surface Metrology | |
| 610 | 1 | |a non-contact strain measurement | |
| 700 | 1 | |a Abouellail |b A. F. A. |g Abdelmeguid Fathy Ahmed |f 1993- |c physicist |c Senior Lecturer of Tomsk Polytechnic University |9 88989 | |
| 701 | 1 | |a Trigub |b M. V. |c specialist in the field of non-destructive testing |c Professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1987- |g Maksim Viktorovich |9 15437 | |
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