Cover Picture: Materials and Corrosion. 9/2014 | Zendy

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Cover Picture: Materials and Corrosion. 9/2014

Publication year - 2014

Publication title -

materials and corrosion

Language(s) - English

Resource type - Reports

SCImago Journal Rank - 0.487

H-Index - 55

eISSN - 1521-4176

pISSN - 0947-5117

DOI - 10.1002/maco.201470091

Subject(s) - galvanization , corrosion , metallurgy , cover (algebra) , coating , materials science , zinc , ternary operation , aluminium , composite material , engineering , computer science , mechanical engineering , layer (electronics) , programming language

Cover: The picture shows a Zn‐2%Al‐2%Mg hot‐dip galvanised sample corroded for 300 h in a salt spray test according to DIN EN ISO 9227. On the right one can see an unreacted zinc dendrite. In the centre there are the remnants of a ternary zinc, aluminium, MgZn 2 eutectic. There the MgZn 2 phase has been selectively dissolved from the coating. The top of the sample features large compact crystals of simonkolleite (Zn 5 (OH) 8 Cl 2 ∙H 2 O). Despite the relatively strong attack of the metallic coating the steel substrate remains unattacked. More detailed information can be found in: T. A. Keppert, G. Luckeneder, K.‐H. Stellnberger, C. Commenda, G. Mori, H. Antrekowitsch , The effect of magnesium on the corrosion of hot‐dip galvanised steel in chloride containing environments Materials and Corrosion 2014 , 65 , 871 .

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