| 古铜镜“水银沁”表面形成机理的研究 |
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| 引用本文： | 谭德睿,吴来明,唐静娟,苏立民.古铜镜“水银沁”表面形成机理的研究[J].文物保护与考古科学,1997,9(1):1-9. |
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| 作者姓名： | 谭德睿 吴来明 唐静娟 苏立民 |
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| 作者单位： | 上海博物馆!上海200231(谭德睿，吴来明)，复旦大学文博学院!上海200433(唐静娟)，上海材料研究所!上海200437(苏立民) |
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| 基金项目： | 上海市科学技术委员会资助 |
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| 摘 要： | 对加工纯铜、黄铜、锡青铜和铸造高锡镜青铜样品的基体及“磨镜药”处理前后表面进行检测，发现在磨镜处理时，“磨镜药”中的Sn原子通过Hg的作用首先以置换方式扩散渗入铜材表面的α固溶体中，当Sn元素浓度达到饱和时，将首先在晶体缺陷处生成Cu41Sn11新相并逐渐长大，使表面形成“水银沁”富锡层。富锡层逐渐氧化生成致密的、显微晶态的SnO2膜。此即古铜镜“水银沁”表面的形成机理。
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| 关 键 词： | 铜镜 “水银沁”表面 形成机理 |
A research on the formation mechanism of the "Silvery-White" surface of ancient Chinese mirrors |
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| Tan Derui, Wu Laiming ,Tang Jingjuan.A research on the formation mechanism of the "Silvery-White" surface of ancient Chinese mirrors[J].Sciences of Conservation and Archaeology,1997,9(1):1-9. |
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| Authors: | Tan Derui Wu Laiming Tang Jingjuan |
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| Abstract: | The processing copper, brass, tin-bronze and casting mirror - bronze with hight - tin sam-ples, it's base and surface of after or present mirror - burnishing - medicine treattnent were de-tected by metalloscope, EDAX - XRF, XPS, AES, XRD, RHEED, SAED, TEM and EPMA -XRE. It was fonded that when the treating, by the metal - dissolvent effect of mercury, the Sn atoms of in the mirror - burnishing us rnedicine diffuseing and infiltrating into the a solid solutions of copper surface by substitutional form first. When the Sn element concentration come up to sat-uration, the new phase Cu41Sn11 will be gotten in lattice defect site and grow gradually, and the "Silvery - white" layer with rich tin was produced on the copper surface. The rich tin layer was oxidated to produce form a stannic oxide transparent thin film with dense and microcrystal struc-ture. This is the formation mechanism of "Silvery- white" surface of ancient mirrors. |
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| Keywords: | Bronze mirror "Silvery-white" surface Formation mechanism |
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