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Preliminary Study of Corrosion Status on Bronzes Excavated from Qin Dynasty Tombs at Xinfeng Town in China

机译:中国新丰镇秦墓出土青铜器腐蚀状况的初步研究

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From 2007 to 2008, many bronze wares of Qin Dynasty were excavated from tombs at Xinfeng town. Being an important finding, these bronze wares attracted people’s attention, especially for their conservation. Therefore, the corrosive products were explored by using Scanning Electron Microscope with Energy Dispersive X-ray Detector (SEM/EDS), X-Ray diffraction (XRD), and Raman spectroscopy (RM), which provided much valuable information on the conservation of these bronze wares. According to tested results, the corrosive products of bronzes were found to be comprised of cuprite (Cu2O), covellite (CuS), lead carbonate (PbCO3), and malachite (CuCO3·Cu(OH)2). Meantime, the multilayer corrosive structure was found in some samples due to the cracks in Cu2O layer which had formed many microchannels to promote the material migration.
机译:从2007年到2008年,在新丰镇的墓葬中出土了许多秦代青铜器。这些重要的发现是青铜器引起了人们的关注,尤其是在保护方面。因此,使用具有能量色散X射线检测器(SEM / EDS),X射线衍射(XRD)和拉曼光谱(RM)的扫描电子显微镜对腐蚀性产品进行了探索,这为这些产品的保存提供了许多有价值的信息。青铜器。根据测试结果,发现青铜的腐蚀性产品包括铜矿(Cu2O),铜铁矿(CuS),碳酸铅(PbCO3)和孔雀石(CuCO3·Cu(OH)2)。同时,由于Cu2O层中的裂纹形成了许多促进材料迁移的微通道,因此在一些样品中发现了多层腐蚀结构。

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