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ISBN 9783843921756

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978-3-8439-2175-6, Reihe Anorganische Chemie

Pierre Eckold
The Chemistry of the Corrosion of Electrodeposited Tin Finishes

167 Seiten, Dissertation Universität Stuttgart (2015), Softcover, A5

Zusammenfassung / Abstract

Within this thesis the chemistry of the corrosion of electrodeposited tin finishes under high-temperature and high-humidity conditions (80 °C / 80 % relative humidity) was investigated.

The first section covers the differences in the corrosion propensity of electrodeposited tin finishes in dependence on their manufacturing process and the development of a structural model utilizing the surface energies of β-tin in order to minimize the corrosion and the tin whisker propensity.

The second section examines the chemical processes on the tin surface during the exposure to high-temperature and high-humidity conditions avoiding a direct contact of the metal surface to an electrolyte solution. In dependence on the contaminant (sodium halides) the corrosion sequence was clarified utilizing in situ Raman spectroscopy.