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Real time synchrotron analysis of the initial stages of the galvanization process in Al containing Zn baths

Published online by Cambridge University Press:  02 February 2005

P. Drillet ,
C. Dulcy ,
F. Pazsko ,
D. Mangelinck ,
P. Gas ,
G. Clugnet ,
C. Bergman  and
G. Vaughan
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Abstract

A real time synchrotron analysis of the breakdown of the inhibition effect of the Fe2Al5 layer is reported. Both δ and δ−ζ Fe-Zn phases grow simultaneously when inhibition is suppressed until the Zn layer is consummated. Then the δ phase grows at the expense of the δ−ζ phase. The same mechanism is observed both below and above the Zn melting point. Phase transformations kinetics obey an Arrhenius type law that is not affected by the liquid or solid state of the Zn layer.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 102 , Issue 1 , January 2005 , pp. 75 - 78
Copyright
© La Revue de Métallurgie, 2005

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