C13-d2 - Ultrasonic Imaging for Archaeological Metal Artefacts
- Event
- 2025 ICU PADERBORN - 9th International Congress on Ultrasonics
2025-09-21 - 2025-09-25
Paderborn - Band
- Lectures
- Chapter
- C13-b - Ultrasonic Material Characterization
- Author(s)
- N. F. Declercq, S. Zhang, P. Dubey, A. K. Maddheshiya - Georgia Institute of Technology, Metz (France), P. S. Yadav, R. R. Yadav - Georgia Institute of Technology, Atlanta (USA), D. Silitonga - The University of Allahabad, Allahabad (India)
- Pages
- 247 - 250
- DOI
- 10.5162/Ultrasonic2025/C13-d2
- ISBN
- 978-3-910600-08-9
- Price
- free
Abstract
We assess ultrasound as a noninvasive, low-cost complement for subsurface imaging of metallic archaeological artifacts, addressing the depth limits of optical and spectral methods by applying transmission and reflection modes to minted samples and analyzing peak-to-peak amplitude and time-of-flight. Multiple transducer frequencies and scanning geometries were tested, and reflection-coefficient contrasts confirmed multi-metallic structure. Results show ultrasound’s clear potential to extend archaeological analysis at depth.