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Solid solution deco...
Solid solution decomposition and Guinier-Preston zone formation in Al-Cu alloys : A kinetic theory with anisotropic interactions
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- Stroev, A. Yu. (author)
- National Research Centre “Kurchatov Institute", Moscow, Russia,Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia.;State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia.
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- Gorbatov, Oleg (author)
- KTH,Inst Quantum Mat Sci, Ekaterinburg 620072, Russia.;Nosov Magnitogorsk State Tech Univ, Magnitogorsk 455000, Russia.,KTH Royal Institute of Technology, Stockholm, Sweden;Institute of Quantum Materials Science, Ekaterinburg, Russia;Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia
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- Gornostyrev, Yu. N. (author)
- Institute of Quantum Materials Science, Ekaterinburg, Russia;Institute of Metal Physics, Ural Division RAS, Ekaterinburg, Russia;Ural Federal University, Ekaterinburg, Russia,Inst Quantum Mat Sci, Ekaterinburg 620072, Russia.;RAS, Inst Met Phys, Ural Div, Ekaterinburg 620219, Russia.;Ural Fed Univ, Ekaterinburg 620002, Russia.
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- Korzhavyi, Pavel A., 1966- (author)
- KTH,Skolan för industriell teknik och management (ITM),KTH Royal Institute of Technology, Stockholm, Sweden
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National Research Centre “Kurchatov Institute", Moscow, Russia Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia;State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia. (creator_code:org_t)
- American Physical Society, 2018
- 2018
- English.
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In: Physical Review Materials. - : American Physical Society. - 2475-9953. ; 2:3
- Related links:
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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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- Using methods of statistical kinetic theory parametrized with first-principles interatomic interactions that include chemical and strain contributions, we investigated the kinetics of decomposition and microstructure formation in Al-Cu alloys as a function of temperature and alloy concentration. We show that the decomposition of the solid solution forming platelets of copper, known as Guinier-Preston (GP) zones, includes several stages and that the transition from GP1 to GP2 zones is determined mainly by kinetic factors. With increasing temperature, the model predicts a gradual transition from plateletlike precipitates to equiaxial ones and at intermediate temperatures both precipitate morphologies may coexist.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Keyword
- Dynamics of phase separation
- First order phase transitions
- Kinetic theory
- Phase diagrams
- Phase separation
- phase transition by order
- Spinodal decomposition
- Structural order parameter
- Alloys
- Solid solutions
- Lattice models in condensed matter
- Mean field theory
- Statistical methods
Publication and Content Type
- ref (subject category)
- art (subject category)
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