Pulse thermal imaging of FUHAO bronze artifact

Fuente: arXiv
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Hauptverfasser: Wang, Li, Tao, Ning, Liu, Wei, Li, Xiaoli, He, Yi, Yang, Xue, Sun, Jiangang, Zhang, Cunlin
Format: Preprint
Veröffentlicht: 2026
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author Wang, Li
Tao, Ning
Liu, Wei
Li, Xiaoli
He, Yi
Yang, Xue
Sun, Jiangang
Zhang, Cunlin
author_facet Wang, Li
Tao, Ning
Liu, Wei
Li, Xiaoli
He, Yi
Yang, Xue
Sun, Jiangang
Zhang, Cunlin
contents The accurate identification of historical restoration traces and material degradation is essential for the scientific preservation of ancient bronzes. In this study, the prestigious FUHAO bronze artifact (late Shang period, 13th-11th century BCE) was non-destructively examined using pulsed thermal imaging (PT). By combining single- and double-layer heat conduction models with Thermal Tomography (TT), this approach allowed for precise spatial localization of repair crevices, patches, and filler materials, while also distinguishing restorative interventions from the original bronze substrate. The artifact was revealed to have been assembled from multiple fragments, exhibiting uneven surface corrosion and clear evidence of prior conservation. The results not only provide direct insights for conservation strategy and historical interpretation but also demonstrate the capability of pulsed thermal imaging as an effective diagnostic tool for the integrated surface and subsurface assessment of cultural heritage objects.
format Preprint
id arxiv_https___arxiv_org_abs_2601_10265
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Pulse thermal imaging of FUHAO bronze artifact
Wang, Li
Tao, Ning
Liu, Wei
Li, Xiaoli
He, Yi
Yang, Xue
Sun, Jiangang
Zhang, Cunlin
Optics
Applied Physics
Data Analysis, Statistics and Probability
The accurate identification of historical restoration traces and material degradation is essential for the scientific preservation of ancient bronzes. In this study, the prestigious FUHAO bronze artifact (late Shang period, 13th-11th century BCE) was non-destructively examined using pulsed thermal imaging (PT). By combining single- and double-layer heat conduction models with Thermal Tomography (TT), this approach allowed for precise spatial localization of repair crevices, patches, and filler materials, while also distinguishing restorative interventions from the original bronze substrate. The artifact was revealed to have been assembled from multiple fragments, exhibiting uneven surface corrosion and clear evidence of prior conservation. The results not only provide direct insights for conservation strategy and historical interpretation but also demonstrate the capability of pulsed thermal imaging as an effective diagnostic tool for the integrated surface and subsurface assessment of cultural heritage objects.
title Pulse thermal imaging of FUHAO bronze artifact
topic Optics
Applied Physics
Data Analysis, Statistics and Probability
url https://arxiv.org/abs/2601.10265