The Influence of La on the Corrosion Resistance of Hot-Dip Aluminized Steel

The influence of the content of rare-earth La on the microstructure and corrosion-resistance of hot-dipped aluminum was studied in this paper .The results show that ,under the same technology conditions, the thickness of hot-dipped aluminizing layer by adding the appropriate content of rare-earth La...

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Veröffentlicht in:Materials science forum 2005-01, Vol.475-479, p.3851-3854
Hauptverfasser: Wen, Jiu ba, Zhang, Wei, Li, Xiao Yuan, Li, Quan An
Format: Artikel
Sprache:eng
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Zusammenfassung:The influence of the content of rare-earth La on the microstructure and corrosion-resistance of hot-dipped aluminum was studied in this paper .The results show that ,under the same technology conditions, the thickness of hot-dipped aluminizing layer by adding the appropriate content of rare-earth La is about 2~3 times as much as that without rare-earth La, and the microstructure of hot-dipped aluminizing layer has also greatly changed ,and a great deal of phase Fe3Al was precipitated along the boundary of a phase. The corrosion resistance of the hot-dipped layer with rare-earth La is greatly increased.
ISSN:0255-5476
1662-9752
1662-9752
DOI:10.4028/www.scientific.net/MSF.475-479.3851