Coupled deformation and compositional evolution in a thin layer alloy material |
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| Affiliation: | 1. Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany;2. Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany;1. Neutrons and Xrays for Mechanics of Materials, NUM, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland;2. Neutrons and Xrays for Mechanics of Materials, Institute of Materials, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland;3. Material Sciences, SYN/LSC, Paul Scherrer Institute, CH-5232 Villigen-PSI, Switzerland;4. Division Physical Metallurgy, Technische Universität Darmstadt, D-64287 Darmstadt, Germany;5. Department of Materials Science and Engineering, University Erlangen-Nürnberg, D-91058 Erlangen, Germany;1. Department of Materials Science & Engineering, University of Connecticut, 97 North Eagleville Road, Storrs, CT 06269, USA;2. Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM 87185, USA;3. Department of Chemical & Biomolecular Engineering, University of Connecticut, 191 Auditorium Road, Storrs, CT 06269, USA;4. Institute of Materials Science, University of Connecticut, 97 North Eagleville Road, Storrs, CT 06269, USA |
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| Abstract: | In a discussion of spinodal decomposition in solid solutions, Cahn [Acta Met. 9 (1961) 795] showed that stress due to elastic misfit could have a strong stabilizing influence on a uniform composition. The purpose here is to illustrate that the stabilizing influence is diminished significantly in small material structures, for example, thin layers or particles, as a consequence of proximity of material to free surfaces. |
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