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Updated: Jun 24, 2025

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在古代锡铜文物中含量的锡含量:一个时间依赖的过程?

Gilberto Artioli¹, Alessandro Fontanari¹, Ivana Angelini²

¹Department of Geosciences, Università di Padova, Via Gradenigo 6, Padova 35131, Italy.

Journal of applied crystallography

|June 7, 2024

概括

(Pb) 在锡铜器件中的含 (Pb) 可以揭示它们的年龄. 现代青铜比古铜含滴中的锡 (Sn) 含量高,可以检测伪造品. 这种方法有助于验证历史艺术品的真实性.

科学领域:

材料科学材料科学材料科学
考古测量考古测量方法
金工业是金工业的一个方面.

背景情况:

(Pb) 历史上被添加到青铜中以提高造流动性,在锡-青铜矩阵中形成球状滴.
这些含量中的锡 (Sn) 含量因时间依赖的扩散过程而在古代和现代文物之间有所不同.
之前的研究表明,Pb含量中的Sn含量可以区分现代和古代锡铜材料.

研究的目的:

为了研究 (Sn) 含量在 (Pb) 包含在现代和古代铜文物中的含量.
为了验证分析Pb-Sn固体溶液晶格参数的适用性,以检测伪装成古代的现代艺术品.
作为约会和验证参数,评估Sn在Pb含量中的时间依赖的扩散.

主要方法:

在锡铜 (Cu-Sn-Pb) 样本中分析 (Pb) 含量.
测量Pb-Sn固体溶液的格子参数在内含物中.
从现代和古代文物中比较Pb含量的Sn含量.

主要成果:

现代Pb在Sn-青铜文物中的含有显示了大约3%原子Sn的转移稳定的固体溶液.
古代Pb含量显示Sn含量明显较低或可以忽略不计,这是由于几个世纪以来的分离和扩散造成的.
通过格子参数准确测量Pb含量中的Sn含量与文物年龄相关.

结论:

含量在含量中是一个可靠的指标,用于区分现代和古代锡铜文物.
这种基于扩散时间尺度和Pb-Sn固体溶液的维加德定律的方法在检测艺术品伪造方面是有效的.
精确测量Pb-Sn格子参数提供了一种定量方法来验证历史青铜物品的真实性.

关键词:

在SnPb合金中.在X射线中,X射线的衍射效应是不同的.古老的SnCu青铜器认证的真实性认证的真实性文化遗产文化遗产文化遗产

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