Search Results - "Cahn, J W"

Duality of dislocation content of grain boundaries by Cahn, J. W., Mishin, Y., Suzuki, A.

“…The Frank-Bilby equation (FBE) can give many solutions for the dislocation content of a grain boundary (GB); most of them are considered to have little…”
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Reprise: partial chemical strain dislocations and their role in pinning dislocations to their atmospheres by Cahn, J.W.

“…A correct solution for a dislocation atmosphere is provided using Hirth's Standard Model, confirming the errors in Hirth and Lothe. Contrary to what is given…”
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Thermodynamic aspects of Cottrell atmospheres by Cahn, J.W.

“…Using open system elastic constants, we can convert any of the many existing solved small-strain problems of stress fields of dislocation configurations to…”
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Thermodynamics of Cottrell atmospheres tested by atomistic simulations by Mishin, Y., Cahn, J.W.

“…Solute atoms can segregate to elastically deformed lattice regions around a dislocation and form an equilibrium distribution called the Cottrell atmosphere. We…”
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Mean stresses in microstructures due to interface stresses: A generalization of a capillary equation for solids by Weissmüller, J., Cahn, J.W.

“…We derive a general expression for the mean stress in a solid induced by the stresses of areal and linear defects such as grain boundaries and triple junction…”
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Special grain boundaries based on local symmetries by BENDERSKY, L. A, CAHN, J. W

“…We propose that, in large unit cell structures, the operation of local symmetries rather than a coincidence site lattice (CSL), is important for the creation…”
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Excess energy of grain-boundary trijunctions: an atomistic simulation study by Srinivasan, S.G., Cahn, J.W., Jónsson, H., Kalonji, G.

“…Atomic-scale computer simulation was used to study grain-boundary trijunctions, which are defined as the intersection of three grain boundaries. The simulation…”
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Crystal shapes and phase equilibria : A common mathematical basis by CAHN, J. W, CARTER, W. C

“…Geometrical constructions, such as the tangent construction on the molar free energy for determining whether a particular composition of a solution is stable,…”
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A phase-field model for diffusion-induced grain-boundary motion by Cahn, J.W., Fife, P., Penrose, O.

“…We model diffusion-induced grain boundary motion (DIGM) with a pair of differential equations: [Display omitted] Here u represents the concentration of solute…”
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Motion by curvature and impurity drag: resolution of a mobility paradox by Cahn, J.W., Novick-Cohen, A.

“…We rederive and explain the paradoxical prediction, confirmed by experiment, that the normal velocity, V , of a curved antiphase domain boundary (APB) in an…”
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A unified approach to motion of grain boundaries, relative tangential translation along grain boundaries, and grain rotation by Cahn, John W., Taylor, Jean E.

“…We postulate that almost any motion of an interface between two crystals can produce a coupled tangential motion of the two crystals relative to each other…”
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Evolution equations for phase separation and ordering in binary alloys by Cahn, J. W., Novick-Cohen, A.

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Metallic Phase with Long-Range Orientational Order and No Translational Symmetry by Shechtman, D, Blech, I, Gratias, D, Cahn, J W

“…A metallic solid (Al--14 at.% Mn) with long-range orientational order, but with icosahedral point group symmetry, which is inconsistent with lattice…”
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On the co-existence and stability of trijunctions and quadrijunctions in a simple model by Cahn, J.W., Van Vleck, E.S.

“…Junctions of four domain walls (quadrijunctions) are shown to be stable in Ising-type ordering models with weak first and strong second neighbor interactions…”
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Variational methods for microstructural-evolution theories by Carter, W. Craig, Taylor, J. E., Cahn, J. W.

“…Recent progress in variational methods helps to provide general principles for microstructural evolution. Especially when several processes are interacting,…”
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Anisotropy of interfaces in an ordered alloy: a multiple–order–parameter model by Braun, R. J., Cahn, J. W., McFadden, G. B., Wheeler, A. A.

“…ad hoc…”
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Shape of hollow dislocation cores: anisotropic surface energy and elastic effects by Srolovitz, D.J., Sridhar, N., Hirth, J.P., Cahn, J.W.

“…Equilibrium morphologies are frequently determined by a competition between interfacial and elastic energies. Holes at the cores of dislocations in materials…”
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Solid–liquid equilibrium for non-hydrostatic stress by Sekerka, Robert F., Cahn, John W.

“…We examine Gibbs’ conditions for equilibrium of a non-hydrostatically stressed single component solid in equilibrium across one of its faces with a pure liquid…”
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SPATIALLY DISCRETE NONLINEAR DIFFUSION EQUATIONS by CAHN, JOHN W., CHOW, SHUI-NEE, VAN VLECK, ERIK S.

“…We consider spatially discrete nonlinear diffusion equations that are similar in form to the Cahn-Hilliard and Cahn-Allen equations. Since these equations are…”
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Wetting and non-wetting near critical points in solids by Cahn, J.W

“…A phenomenological qualitative theory of elastic effects is used to examine wetting near critical points in the solid state…”
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