Comparative Method Between Eddy Current and Optical Microscopy in the Determination of Thickness of 6063 Aluminum Alloy Anodization
Cabral Miramontes, José Ángel y Gaona Tiburcio, Citlalli y Lara Banda, María del Refugio y Almeraya Calderón, Facundo (2025) Comparative Method Between Eddy Current and Optical Microscopy in the Determination of Thickness of 6063 Aluminum Alloy Anodization. Applied sciences, 2025 (15). pp. 1-18. ISSN 2076-3417
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Resumen
This study compares the Eddy current technique and optical microscopy for measuring the anodized layer thickness in a 6063 aluminum alloy with the aim of establishing an efficient and accurate methodology capable of delivering optimal results in a time-efficient manner. Optical microscopy was used as the reference method, with five measurements taken in different fields for each specimen. The Eddy current method was applied using two calibration strategies: one calibration before each measurement and another after every ten specimens. The Bland–Altman analysis was employed to compare both measurement techniques. The results indicated that the calibration before each measurement strategy using Eddy current showed higher agreement with the reference method, suggesting that both techniques can be considered equivalent and interchangeable. Furthermore, the Eddy current method demonstrated significant advantages in detecting thickness variations along the specimen, revealing non-uniform distribution of the anodized layer. This method also proved to be faster and eliminated the need for metallographic preparation required by optical microscopy, thus significantly reducing analysis time and cost. In conclusion, the Eddy current method with calibration before each measurement strategy is proposed as an effective alternative for measuring anodized layer thickness in applications where speed and precision are critical.
Tipo de elemento: | Article | |||||||||||||||
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Palabras claves no controlados: | corrosion; thickness measurement; anodization; Bland–Altman analysis | |||||||||||||||
Materias: | CONACYT > Ingeniería y Tecnología Q Ciencia > QC Física T Tecnología > TJ Ingeniería Mecánica |
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Divisiones: | Ingeniería Mecánica y Eléctrica > Maestría en Ingeniería Aeronáutica con orientación en: Materiales, Estructuras, o Dinámica de Vuelo | |||||||||||||||
Usuario depositante: | Dra Citlalli Gaona | |||||||||||||||
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Fecha del depósito: | 25 Ago 2025 21:05 | |||||||||||||||
Última modificación: | 25 Ago 2025 21:05 | |||||||||||||||
URI: | http://eprints.uanl.mx/id/eprint/30335 |
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