Please use this identifier to cite or link to this item: http://idr.nitk.ac.in/jspui/handle/123456789/11347
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dc.contributor.authorHuilgol, P.
dc.contributor.authorRajendra, Udupa, K.
dc.contributor.authorUdaya, Bhat, K.
dc.date.accessioned2020-03-31T08:31:10Z-
dc.date.available2020-03-31T08:31:10Z-
dc.date.issued2018
dc.identifier.citationInternational Journal of Minerals, Metallurgy and Materials, 2018, Vol.25, 2, pp.190-198en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/11347-
dc.description.abstractHot-dip aluminizing (HDA) is a proven surface coating technique for improving the oxidation and corrosion resistance of ferrous substrates. Although extensive studies on the HDA of plain carbon steels have been reported, studies on the HDA of stainless steels are limited. Because of the technological importance of stainless steels in high-temperature applications, studies of their microstructural development during HDA are needed. In the present investigation, the HDA of AISI 321 stainless steel was carried out in a pure Al bath. The microstructural features of the coating were studied using scanning electron microscopy and transmission electron microscopy. These studies revealed that the coating consists of two regions: an Al top coat and an aluminide layer at the interface between the steel and Al. The Al top coat was found to consist of intermetallic phases such as Al7Cr and Al3Fe dispersed in an Al matrix. Twinning was observed in both the Al7Cr and the Al3Fe phases. Furthermore, the aluminide layer comprised a mixture of nanocrystalline Fe2Al5, Al7Cr, and Al. Details of the microstructural features are presented, and their formation mechanisms are discussed. 2018, University of Science and Technology Beijing and Springer-Verlag GmbH Germany, part of Springer Nature.en_US
dc.titleFormation of microstructural features in hot-dip aluminized AISI 321 stainless steelen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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