High resolution neutron tomography as non-invasive tool for the study of a filigree from the Medieval Chiaravalle Cross

IF 2 2区地球科学 Q1 ANTHROPOLOGY

Archaeological and Anthropological Sciences Pub Date : 2025-06-07 DOI:10.1007/s12520-025-02254-y

Luisa Vigorelli, Filomena Salvemini, Giulia Marcucci, Costanza Cucini, Daniela Di Martino, Maria Pia Riccardi

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Abstract

The Chiaravalle Cross, an ancient Italian processional cross from Chiaravalle Abbey (near Milan, Italy), is a jewellery masterpiece richly decorated with precious metals applied by combining different metalworking techniques like chiselling, engraving, gilding by laminas and amalgams. In particular, a golden filigree adorns the entire cross. A very small portion of this filigree has been made available for analyses, after the restoration in 2016. The filigree has a multi-component structure, made of drawn and after twisted silver wires, soldered and finally gilded. A neutron tomography imaging experiment has been carried out to disclose the three-dimensional structure of the ancient golden decoration for a comparison with two-dimensional results obtained by a previous SEM (scanning electron microscopy) investigation to demonstrate the potential of a non-invasive technique for a comprehensive understanding of the manufacturing technique.

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高分辨率中子层析成像作为一种非侵入性工具用于研究中世纪恰拉瓦勒十字的细丝

Chiaravalle Cross是一个古老的意大利游行十字架，来自意大利米兰附近的Chiaravalle修道院，是一个珠宝杰作，通过结合不同的金属加工技术，如凿、雕刻、镀金和银汞合金，用贵金属装饰。特别值得一提的是，整个十字架都装饰着金色的细丝。在2016年修复后，这个细丝工艺品的一小部分已经可供分析。该花丝采用多组份结构，由拉丝、捻丝、焊接、镀金而成。中子层析成像实验揭示了古代黄金装饰的三维结构，并与之前扫描电子显微镜（SEM）调查获得的二维结果进行了比较，以证明非侵入性技术对全面了解制造技术的潜力。

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来源期刊

Archaeological and Anthropological Sciences GEOSCIENCES, MULTIDISCIPLINARY-

CiteScore

4.80

自引率

18.20%

发文量

199

期刊介绍： Archaeological and Anthropological Sciences covers the full spectrum of natural scientific methods with an emphasis on the archaeological contexts and the questions being studied. It bridges the gap between archaeologists and natural scientists providing a forum to encourage the continued integration of scientific methodologies in archaeological research. Coverage in the journal includes: archaeology, geology/geophysical prospection, geoarchaeology, geochronology, palaeoanthropology, archaeozoology and archaeobotany, genetics and other biomolecules, material analysis and conservation science. The journal is endorsed by the German Society of Natural Scientific Archaeology and Archaeometry (GNAA), the Hellenic Society for Archaeometry (HSC), the Association of Italian Archaeometrists (AIAr) and the Society of Archaeological Sciences (SAS).