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Theoretical elastic...
Theoretical elastic moduli of ferromagnetic bcc Fe alloys
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- Zhang, Hualei (author)
- KTH,Materialvetenskap
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Punkkinen, Marko P. J. (author)
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- Johansson, Börje (author)
- Uppsala universitet,KTH,Tillämpad materialfysik,Materialteori
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- Vitos, Levente (author)
- Uppsala universitet,KTH,Tillämpad materialfysik,Materialteori
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(creator_code:org_t)
- 2010-06-17
- 2010
- English.
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In: Journal of Physics. - : IOP Publishing. - 0953-8984 .- 1361-648X. ; 22:27, s. 275402-
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The polycrystalline elastic parameters of ferromagnetic Fe1-xMx (M = Al, Si, V, Cr, Mn, Co, Ni, Rh; 0 <= x <= 0.1) random alloys in the body centered cubic (bcc) crystallographic phase have been calculated using first-principles alloy theory in combination with statistical averaging methods. With a few exceptions, the agreement between the calculated and the available experimental data for the polycrystalline aggregates is satisfactory. All additions considered here decrease the bulk modulus (B) and Poisson's ratio (nu) of bcc Fe. The complex composition dependence of the C-44 single-crystal elastic constant is reflected in the polycrystalline shear modulus (G), Young's modulus (E), and Debye temperature (Theta). The polycrystalline anisotropy of bcc Fe is increased by all additions, and Al, Si, Ni, and Rh yield the largest alloying effects.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Condensed matter physics
- Kondenserade materiens fysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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