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Elastic anomalies in Fe-Cr alloys

Zhang, Hualei (author)
KTH,Tillämpad materialfysik
Wang, Guisheng (author)
KTH,Tillämpad materialfysik
Punkkinen, Marko P. J. (author)
KTH,Tillämpad materialfysik
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Hertzman, Staffan (author)
Johansson, Börje (author)
Uppsala universitet,KTH,Tillämpad materialfysik,Materialteori
Vitos, Levente (author)
Uppsala universitet,KTH,Tillämpad materialfysik,Materialteori
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 (creator_code:org_t)
2013-04-19
2013
English.
In: Journal of Physics. - : IOP Publishing. - 0953-8984 .- 1361-648X. ; 25:19, s. 195501-
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Using ab initio alloy theory, we determine the elastic parameters of ferromagnetic and paramagnetic Fe1-cCrc (0 <= c <= 1) alloys in the body centered cubic crystallographic phase. Comparison with the experimental data demonstrates that the employed theoretical approach accurately describes the observed composition dependence of the polycrystalline elastic moduli. The predicted single-crystal elastic constants follow complex anomalous trends, which are shown to originate from the interplay between magnetic and chemical effects. The nonmonotonic composition dependence of the elastic parameters has marked implications on the micro-mechanical properties of ferrite stainless steels.

Subject headings

NATURVETENSKAP  -- Fysik -- Annan fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Other Physics Topics (hsv//eng)

Keyword

Body-centered cubic
Composition dependence
Crystallographic phase
Elastic parameters
Experimental datum
Ferrite stainless steel
Nonmonotonic composition
Theoretical approach

Publication and Content Type

ref (subject category)
art (subject category)

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