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- Spinodal_decomposition abstract "Spinodal decomposition is a mechanism for the rapid unmixing of a mixture of liquids or solids from one thermodynamic phase, to form two coexisting phases. As an example, consider a hot mixture of water and an oil. At high temperatures the oil and the water may mix to form a single thermodynamic phase in which water molecules are surrounded by oil molecules and vice versa. The mixture is then suddenly cooled to a temperature at which thermodynamic equilibrium favours an oil-rich phase coexisting with a water-rich phase. Spinodal decomposition then occurs when the mixture is such that there is essentially no barrier to nucleation of the new oil-rich and water-rich phases. In other words, the oil and water molecules immediately start to cluster together into microscopic water-rich and oil-rich clusters throughout the liquid. These clusters then rapidly grow and coalesce until there is a single macroscopic oil-rich cluster, the oil-rich phase, and a single water-rich cluster, the water-rich phase.Spinodal decomposition can be contrasted with nucleation and growth. There the initial formation of the microscopic clusters involves a large free energy barrier, and so can be very slow, and may occur as little as once in the initial phase, not throughout the phase, as happens in spinodal decomposition.Spinodal decomposition is of interest for two primary reasons. In the first place, it is one of the few phase transformations in solids for which there is any plausible quantitative theory. The reason for this is the inherent simplicity of the reaction. Since there is no thermodynamic barrier to the reaction inside of the spinodal region, the decomposition is determined solely by diffusion. Thus, it can be treated purely as a diffusional problem, and many of the characteristics of the decomposition can be described by an approximate analytical solution to the general diffusion equation.In contrast, theories of nucleation and growth have to invoke the thermodynamics of fluctuations. And the diffusional problem involved in the growth of the nucleus is far more difficult to solve, because it is unrealistic to linearize the diffusion equation.From a more practical standpoint, spinodal decomposition provides a means of producing a very finely dispersed microstructure that can significantly enhance the physical properties of the material.".
- Spinodal_decomposition thumbnail CahnHilliard_Animation.gif?width=300.
- Spinodal_decomposition wikiPageExternalLink A1981MA25800001.pdf.
- Spinodal_decomposition wikiPageExternalLink spinum.html.
- Spinodal_decomposition wikiPageExternalLink node3.html.
- Spinodal_decomposition wikiPageExternalLink AT0025.pdf.
- Spinodal_decomposition wikiPageExternalLink ~cahn.
- Spinodal_decomposition wikiPageID "13480124".
- Spinodal_decomposition wikiPageLength "38202".
- Spinodal_decomposition wikiPageOutDegree "43".
- Spinodal_decomposition wikiPageRevisionID "678115627".
- Spinodal_decomposition wikiPageWikiLink Amplitude.
- Spinodal_decomposition wikiPageWikiLink Cartesian_coordinate_system.
- Spinodal_decomposition wikiPageWikiLink Category:Condensed_matter_physics.
- Spinodal_decomposition wikiPageWikiLink Category:Critical_phenomena.
- Spinodal_decomposition wikiPageWikiLink Category:Materials_science.
- Spinodal_decomposition wikiPageWikiLink Category:Phase_transitions.
- Spinodal_decomposition wikiPageWikiLink Category:Thermodynamics.
- Spinodal_decomposition wikiPageWikiLink Complex_exponentials.
- Spinodal_decomposition wikiPageWikiLink Cosine.
- Spinodal_decomposition wikiPageWikiLink Critical_point_(thermodynamics).
- Spinodal_decomposition wikiPageWikiLink Del.
- Spinodal_decomposition wikiPageWikiLink Diffusion.
- Spinodal_decomposition wikiPageWikiLink Eulers_formula.
- Spinodal_decomposition wikiPageWikiLink Exponential_growth.
- Spinodal_decomposition wikiPageWikiLink Feldspar.
- Spinodal_decomposition wikiPageWikiLink Ficks_law.
- Spinodal_decomposition wikiPageWikiLink Ficks_laws_of_diffusion.
- Spinodal_decomposition wikiPageWikiLink Fourier_series.
- Spinodal_decomposition wikiPageWikiLink Fourier_transform.
- Spinodal_decomposition wikiPageWikiLink Gradient.
- Spinodal_decomposition wikiPageWikiLink John_W._Cahn.
- Spinodal_decomposition wikiPageWikiLink Josiah_Willard_Gibbs.
- Spinodal_decomposition wikiPageWikiLink Landau_theory.
- Spinodal_decomposition wikiPageWikiLink Lev_Landau.
- Spinodal_decomposition wikiPageWikiLink Linearization.
- Spinodal_decomposition wikiPageWikiLink MIT.
- Spinodal_decomposition wikiPageWikiLink Massachusetts_Institute_of_Technology.
- Spinodal_decomposition wikiPageWikiLink Mats_Hillert.
- Spinodal_decomposition wikiPageWikiLink Metastability.
- Spinodal_decomposition wikiPageWikiLink Miscibility_gap.
- Spinodal_decomposition wikiPageWikiLink Nondimensionalization.
- Spinodal_decomposition wikiPageWikiLink Order_(crystal_lattice).
- Spinodal_decomposition wikiPageWikiLink Order_and_disorder_(physics).
- Spinodal_decomposition wikiPageWikiLink Partial_derivative.
- Spinodal_decomposition wikiPageWikiLink Phase_(matter).
- Spinodal_decomposition wikiPageWikiLink Phase_(waves).
- Spinodal_decomposition wikiPageWikiLink Phase_transformations_in_solids.
- Spinodal_decomposition wikiPageWikiLink Physical_Review_A.
- Spinodal_decomposition wikiPageWikiLink Scalar_field.
- Spinodal_decomposition wikiPageWikiLink Sine.
- Spinodal_decomposition wikiPageWikiLink Thermodynamic.
- Spinodal_decomposition wikiPageWikiLink Thermodynamic_free_energy.
- Spinodal_decomposition wikiPageWikiLink Thermodynamics.
- Spinodal_decomposition wikiPageWikiLink Trigonometric_functions.
- Spinodal_decomposition wikiPageWikiLink Unit_vector.
- Spinodal_decomposition wikiPageWikiLink Unit_vectors.
- Spinodal_decomposition wikiPageWikiLink Vitaly_Ginzburg.
- Spinodal_decomposition wikiPageWikiLink File:CahnHilliard_Animation.gif.
- Spinodal_decomposition wikiPageWikiLinkText "Spinodal decomposition".
- Spinodal_decomposition wikiPageWikiLinkText "spinodal decomposition".
- Spinodal_decomposition hasPhotoCollection Spinodal_decomposition.
- Spinodal_decomposition wikiPageUsesTemplate Template:Citation_needed.
- Spinodal_decomposition wikiPageUsesTemplate Template:Cite_journal.
- Spinodal_decomposition wikiPageUsesTemplate Template:Reflist.
- Spinodal_decomposition subject Category:Condensed_matter_physics.
- Spinodal_decomposition subject Category:Critical_phenomena.
- Spinodal_decomposition subject Category:Materials_science.
- Spinodal_decomposition subject Category:Phase_transitions.
- Spinodal_decomposition subject Category:Thermodynamics.
- Spinodal_decomposition hypernym Mechanism.
- Spinodal_decomposition type Article.
- Spinodal_decomposition type Organisation.
- Spinodal_decomposition type Article.
- Spinodal_decomposition type Concept.
- Spinodal_decomposition type Mechanic.
- Spinodal_decomposition type Physic.
- Spinodal_decomposition type Process.
- Spinodal_decomposition type Thermodynamic.
- Spinodal_decomposition type Transition.
- Spinodal_decomposition comment "Spinodal decomposition is a mechanism for the rapid unmixing of a mixture of liquids or solids from one thermodynamic phase, to form two coexisting phases. As an example, consider a hot mixture of water and an oil. At high temperatures the oil and the water may mix to form a single thermodynamic phase in which water molecules are surrounded by oil molecules and vice versa.".
- Spinodal_decomposition label "Spinodal decomposition".
- Spinodal_decomposition sameAs Descomposición_espinodal.
- Spinodal_decomposition sameAs تجزیه_اسپینودال.
- Spinodal_decomposition sameAs Décomposition_spinodale.
- Spinodal_decomposition sameAs スピノーダル分解.
- Spinodal_decomposition sameAs m.03c6rfw.
- Spinodal_decomposition sameAs Спинодальный_распад.
- Spinodal_decomposition sameAs Спінодальний_розпад.
- Spinodal_decomposition sameAs Q2666979.
- Spinodal_decomposition sameAs Q2666979.
- Spinodal_decomposition wasDerivedFrom Spinodal_decomposition?oldid=678115627.
- Spinodal_decomposition depiction CahnHilliard_Animation.gif.
- Spinodal_decomposition isPrimaryTopicOf Spinodal_decomposition.