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Grain growth in three dimensions depends on grain topology
Physical Review Letters, 1993While the growth rate of the average volume in a three-dimensional polycrystal is well understood, the growth rates of individual grains (which determine material properties through the topological and volume distributions) are not known. Using a three-dimensional Q-state Potts model simulation, I find that the average canonical growth rate of a grain ...
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Acta Materialia, 2012
Abstract In this paper we report on 2-D phase-field simulations in order to study the influence of the growth kinetics and the surface energy on the growth behaviour of grains during solidification of silicon. We investigated in detail the growth of two grains.
G. Cantù, A. Popescu, W. Miller
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Abstract In this paper we report on 2-D phase-field simulations in order to study the influence of the growth kinetics and the surface energy on the growth behaviour of grains during solidification of silicon. We investigated in detail the growth of two grains.
G. Cantù, A. Popescu, W. Miller
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Il Nuovo Cimento C, 1982
Grain growth is studied in polycrystalline ice, consisting of elongated grains, of (200÷300) μm mean width\(\bar w\) and (2÷3) mm mean length\(\bar l\). The samples are annealed at different temperatures, between 0°C and −10°C. It is found that\(\bar l\) is not affected by annealing, while\(\bar w\) increases with the annealing time.
L. Levi, E. A. Ceppi
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Grain growth is studied in polycrystalline ice, consisting of elongated grains, of (200÷300) μm mean width\(\bar w\) and (2÷3) mm mean length\(\bar l\). The samples are annealed at different temperatures, between 0°C and −10°C. It is found that\(\bar l\) is not affected by annealing, while\(\bar w\) increases with the annealing time.
L. Levi, E. A. Ceppi
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Grain Growth in Sintered Uranium Dioxide: I, Equiaxed Grain Growth
Journal of the American Ceramic Society, 1962Grain growth was investigated in a UO 2 sinter of 94%) theoretical density over the temperature range 1555° to 2440°C. The results were in close, but not exact, agreement with a theoretical expression describing grain growth with a poly‐crystalline matrix.
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On the growth of abnormal grains
Scripta Materialia, 1997This paper presents a contribution to the theory of abnormal grain growth in two dimensions by considering an idealized model with both a variable boundary energy and a variable mobility. The authors idealize the problem by considering a single A grain in a matrix of B grains where the AB boundary has a different energy and mobility from the BB ...
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Philosophical Magazine, 1969
Abstract The two commonly used relations to describe isothermal grain growth in materials (dD/dt=KjDm and D = βtn , where D is the grain size, t growth time, and K, β, m and n are constants defined in the text) are considered and the correct grain growth equations consistent with the boundary conditions are derived.
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Abstract The two commonly used relations to describe isothermal grain growth in materials (dD/dt=KjDm and D = βtn , where D is the grain size, t growth time, and K, β, m and n are constants defined in the text) are considered and the correct grain growth equations consistent with the boundary conditions are derived.
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2012
The idea of sintering is to join particles together without melting them. We may, however, use an additive that does melt. The particles can be crystalline or amorphous: We can sinter glass marbles so long as we don’t melt them; of course, the particles need not be spheres. If we go to too high a temperature, the marbles also deform.
C. Barry Carter, M. Grant Norton
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The idea of sintering is to join particles together without melting them. We may, however, use an additive that does melt. The particles can be crystalline or amorphous: We can sinter glass marbles so long as we don’t melt them; of course, the particles need not be spheres. If we go to too high a temperature, the marbles also deform.
C. Barry Carter, M. Grant Norton
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Acta Metallurgica, 1957
Abstract The sizes and shapes of grains in annealed metals, characterised respectively by the grain diameters and the interfacial angles, are shown to be lognormally distributed in planar sections as well as in space. The similarity of the size and shape distributions facilitates the treatment of grain growth as a univariant statistical problem in ...
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Abstract The sizes and shapes of grains in annealed metals, characterised respectively by the grain diameters and the interfacial angles, are shown to be lognormally distributed in planar sections as well as in space. The similarity of the size and shape distributions facilitates the treatment of grain growth as a univariant statistical problem in ...
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The mechanisms of grain growth of Mg alloys: A review
Journal of Magnesium and Alloys, 2022Qingwei Dai
exaly
Grain Growth Kinetics: The Grain Growth Exponent
Materials Science Forum, 1992openaire +1 more source