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Heritage Science
Fig. 2 | Heritage Science

Fig. 2

From: Optimizing the thermal treatment for restoration of brittle archaeological silver artifacts

Fig. 2

Simulated Ag–Cu alloy samples before/after accelerated aging. a Microstructure of the original simulated Ag–Cu alloy samples, the region of EDS mapping analysis (red box), the elemental distribution (upper right), and the position of EDS spot analysis (spots 1–4). b Microstructure of the corroded simulated Ag–Cu alloy samples (the phenomenon of intergranular corrosion is obvious)

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