Failure analysis of edge discoloration of galvanized fuel tank

(in lingua inglese)

Due to lower bath aluminium content(0.13% as compared to 0.185 regular during galvanizing process), lower speed and thicker section combination resulted in formation of partial Galvannealed surface in the coil owing to the internal heat content of the coil. It is recommended that coils for automotive galvanizing grade are not to be scheduled during unstable zinc condition (like run down).

Articoli tecnico scientifici o articoli contenenti case history
Fonte: Articolo Case Studies in Engineering Failure Analysis, 2015
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