翼城大河口墓地出土青铜器残片锈蚀层的科技分析

Technological Analysis of the Corrosion Layers on the Bronze Fragments Excavated from the Dahekou Cemetery in Yicheng

本文选取翼城大河口墓地出土西周时期青铜器残片,联用了超景深光学显微镜、拉曼光谱和X射线荧光光谱微区分析和面扫描技术对铜器残片的锈蚀层进行了综合表征。结果表明锈蚀层主要包含孔雀石、赤铜矿、蓝铜矿等常见锈蚀产物,同时也识别出有害的含氯锈蚀产物,获取了不同的孔雀石结晶形态,探讨了锈蚀进程的复杂性及其与埋藏环境的关系。本文为理解青铜器锈蚀层提供了新视角,展示了综合科技表征方法在文化遗产保护领域的应用价值。

This study examines the corrosion layers on Western-Zhou period bronze artifacts unearthed from the Dahekou Cemetery in Yicheng.A combination of various techniques including super-depth of field microscopy,Raman spectroscopy,and micro X-ray fluorescence analysis were employed to characterize the corrosion layers.The results indicate that the corrosion layers primarily consist of malachite,cuprite,and azurite that are commonly observed in such layers,along with identified harmful chlorine-containing corrosion products.Various crystal morphologies of malachite were also observed,shedding light on the complexity of the corrosion process and its relationship with the burial environment.This study offers new insights into understanding the corrosion layers on bronze artifacts and demonstrates the value of integrated scientific characterization methods in the field of cultural heritage preservation.