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Volumn 58, Issue 3, 1998, Pages 3302-3315

Anisotropy-driven dynamics of cellular fronts in directional solidification in thin samples

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; CRYSTAL GROWTH; CRYSTAL IMPURITIES; CRYSTAL ORIENTATION; CRYSTAL SYMMETRY; NUMERICAL METHODS; ORGANOMETALLICS; PHASE TRANSITIONS; SOLIDIFICATION; SURFACE TENSION;

EID: 0032159643     PISSN: 1063651X     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevE.58.3302     Document Type: Article
Times cited : (63)

References (64)
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    • Cambridge University Press, Cambridge, England, C. Godréche
    • and B. Caroli,C. Caroli, and B. Roulet, in Solids Far from Equilibrium, edited by C. Godréche (Cambridge University Press, Cambridge, England, 1992).
    • (1992) Solids Far from Equilibrium
    • Caroli, B.1    Caroli, C.2    Roulet, B.3
  • 5
    • 0001309752 scopus 로고
    • ] for dendritic growth, DANKAS
    • See, for instance, G. P. Ivantsov [Dokl. Akad. Nauk SSSR 58, 567 (1947)] for dendritic growth,
    • (1947) Dokl. Akad. Nauk SSSR , vol.58 , pp. 567
    • Ivantsov, G.P.1
  • 6
    • 0002488692 scopus 로고
    • ] for cellular growth, and CJPHAD
    • J. W. Rutter and B. Chalmers [Can. J. Phys. 31, 15 (1953)] for cellular growth, and
    • (1953) Can. J. Phys. , vol.31 , pp. 15
    • Rutter, J.W.1    Chalmers, B.2
  • 7
    • 0001124435 scopus 로고
    • ] for lamellar eutectic growth. TAIMAF
    • C. Zener [Trans. AIME 167, 550 (1946)] for lamellar eutectic growth.TAIMAF
    • (1946) Trans. AIME , vol.167 , pp. 550
    • Zener, C.1
  • 8
    • 85036282086 scopus 로고    scopus 로고
    • The kinetic coefficient is defined as [Formula Presented] where [Formula Presented] is the difference between the actual and the equilibrium value of the undercooling at the interface. When the solid-liquid interface is rough, [Formula Presented] is a linear function of [Formula Presented], and β is independent of [Formula Presented]
    • The kinetic coefficient is defined as β=ΔTk/V, where ΔTk is the difference between the actual and the equilibrium value of the undercooling at the interface. When the solid-liquid interface is rough, ΔTk is a linear function of V, and β is independent of V.
  • 9
    • 0004211204 scopus 로고
    • Elsevier, Amsterdam, J. Souletie, J. Vannimenus, R. Stora
    • Several valuable reviews on the theory of dendritic growth are available, for instance, those by J. S. Langer, in Chance and Matter, edited by J. Souletie, J. Vannimenus, and R. Stora (Elsevier, Amsterdam, 1987)
    • (1987) Chance and Matter
    • Langer, J.S.1
  • 12
    • 0003499994 scopus 로고
    • Cambridge University Press, Cambridge, England, C. Godrèche
    • Y. Pomeau and M. Ben Amar, in Solids Far from Equilibrium, edited by C. Godrèche (Cambridge University Press, Cambridge, England, 1992).
    • (1992) Solids Far from Equilibrium
    • Pomeau, Y.1    Ben Amar, M.2
  • 26
    • 85036280680 scopus 로고    scopus 로고
    • Thèse de Doctorat, Université d’Aix-Marseille I (1997)
    • M. Georgelin, Thèse de Doctorat, Université d’Aix-Marseille I (1997)
    • Georgelin, M.1
  • 29
    • 84917967002 scopus 로고
    • F. D. Lemkey, H. E. Cline, M. McLean, Elsevier, Amsterdam
    • W. L. Kaukler and J. W. Rutter, in In Situ Composites, edited by F. D. Lemkey, H. E. Cline, and M. McLean (Elsevier, Amsterdam, 1982), p. 305.
    • (1982) Situ Composites , pp. 305
    • Kaukler, W.L.1    Rutter, J.W.2
  • 31
    • 85036304310 scopus 로고    scopus 로고
    • (unpublished). The found values are [Formula Presented] [Formula Presented] Numerical results show that kinetic effects predominate over capillary effects for any reasonable value of the anisotropy coefficient of γ. This is probably due to the high value (≈20) of the ratio [Formula Presented](see text for definitions)
    • T. Ihle and S. Akamatsu (unpublished). The found values are β0≈5×10-3 K s μm-1, and ɛk≈0.1. Numerical results show that kinetic effects predominate over capillary effects for any reasonable value of the anisotropy coefficient of γ. This is probably due to the high value (≈20) of the ratio Dβ0/ΔT0d0(see text for definitions).
    • Ihle, T.1    Akamatsu, S.2
  • 33
    • 11744381537 scopus 로고
    • The limited extent of the weakly nonlinear range is due to the fact that [Formula Presented] (for a definition, see the text) in our system, as is usually the case in directional solidification. PRLTAO
    • K. Brattkus and C. Misbah, Phys. Rev. Lett. 64, 1925 (1990). The limited extent of the weakly nonlinear range is due to the fact that d0/lth≪1 (for a definition, see the text) in our system, as is usually the case in directional solidification.PRLTAO
    • (1990) Phys. Rev. Lett. , vol.64 , pp. 1925
    • Brattkus, K.1    Misbah, C.2
  • 45
    • 85036204036 scopus 로고    scopus 로고
    • Image processing was made with the NIH-Image software on a Power Macintosh computer. NIH Image is a public domain program developed at the U.S. National Institutes of Health and available from the Internet by anonymous FTP from zippy.nimh.nih.gov or on floppy disk from the National Technical Information Service, Springfield, Virginia, part number PB95-500195GEI
    • Image processing was made with the NIH-Image software on a Power Macintosh computer. NIH Image is a public domain program developed at the U.S. National Institutes of Health and available from the Internet by anonymous FTP from zippy.nimh.nih.gov or on floppy disk from the National Technical Information Service, Springfield, Virginia, part number PB95-500195GEI.
  • 49
    • 85036360065 scopus 로고    scopus 로고
    • The solidification dynamics of our system at [Formula Presented] close to [Formula Presented] seems to be dominated by three-dimensional effects involving wetting forces at the glass plates, which may be sensitive to residual impurities (unpublished observations). These effects become unimportant as soon as the amplitude of the cells is large compared to the sample thickness
    • The solidification dynamics of our system at V close to Vc(V/Vc-1≈0.1) seems to be dominated by three-dimensional effects involving wetting forces at the glass plates, which may be sensitive to residual impurities (unpublished observations). These effects become unimportant as soon as the amplitude of the cells is large compared to the sample thickness.


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