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Composition and orientation dependence of the interfacial energy in Fe–Cr stainless steel alloys

✍ Scribed by Song Lu; Qing-Miao Hu; Börje Johansson; Levente Vitos

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
401 KB
Volume
248
Category
Article
ISSN
0370-1972

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✦ Synopsis

Abstract

Using a first‐principles quantum mechanical method, we calculated the (001) and (110) interfacial energies between the low temperature α and α′ phases of Fe–Cr alloys as functions of chemical composition. We show that the interfacial energies and the interfacial energy anisotropy are highly composition dependent. In particular, the increasing interfacial energy anisotropy with decreasing compositional gap may induce different morphology of the decomposed phases for different compositions of the host alloys.

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