Abstract
This paper focuses on the corrosion behaviour of tin objects stored in museums. A set of authentic objects was investigated using optical microscopy (OM) and scanning electron microscopy with energy dispersive X-ray detection (SEM-EDX). The goal existed in acquiring information on the appearance of the corroded surfaces and the chemical composition of the alloys. The analyses made it possible to obtain an overview of typical corrosion forms seen on ancient tin objects. In order to study the influence of the alloying elements and corrosive agents on the corrosion behaviour, a simulation study was set up in which five ancient alike tin alloys were produced and artificially corroded by using different corrosive agents. The corroded surfaces were analysed using OM, SEM-EDX and Fourier transform infrared spectroscopy (FTIR) and the results were compared with those obtained from the authentic samples.
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