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Coating deformations in the continuous hot-dipped galvanizing process

By Graeme Hocking, Winston Sweatman, Melanie Roberts and Alistair Fitt


The coating of steel by dipping through a molten alloy and then stripping off excess coating using an air jet is considered. A first-order partial differential equation is derived and solved both to obtain the steady-state coating shape and to determine the evolution of any defects that may form. Analysis of possible mechanisms for defect formation is discussed. A simple heat transfer model is developed to consider the possibility of phase changes over the relevant section of the process

Topics: Materials
Year: 2009
OAI identifier:

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