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CLC number: TQ026

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Received: 2005-05-09

Revision Accepted: 2005-05-27

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Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.8 P.705~707


On the critical radius in generalized Ostwald ripening

Author(s):  WANG Qin-bo, ROBERT Finsy, XU Hai-bo, LI Xi

Affiliation(s):  Department of Chemical Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   wang_qinbo@zju.edu.cn, Robert.Finsy@vub.ac.be, lixi@zju.edu.cn

Key Words:  Ostwald ripening, Critical radius, Particle size distribution, Power-law mass transfer coefficient

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WANG Qin-bo, ROBERT Finsy, XU Hai-bo, LI Xi. On the critical radius in generalized Ostwald ripening[J]. Journal of Zhejiang University Science B, 2005, 6(1): 705~707.

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The relation between the critical radius and the particle size distribution for generalized Ostwald type ripening processes whereby the mass transfer coefficient is modelled by a power law was derived. The critical radius is determined by the growth rate, the mass transfer coefficient and the mass balance, and is independent of whether the limiting stationary growth regime has been obtained.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


[1] Adamson, W., Gast, A.P., 1997. Physical Chemistry of Surfaces. Wiley, New York.

[2] Finsy, R., 2004. On the critical radius in Ostwald ripening. Langmuir, 20:2975-2976.

[3] Kahlweit, M., 1970. Physical Chemistry. Academic Press, New York.

[4] Lifshitz, I.M., Slyozov, V.V., 1961. The kinetics of precipitation from supersaturated solid solutions. Journal of Physical Chemistry of Solids, 19:35-50.

[5] Smet, Y.D., Deriemaeker, L., Finsy, R., 1997. A simple computer simulation of Ostwald ripening. Langmuir, 13:6884-6888.

[6] Vengrenovitch, R.D., 1982. Overview 20: On the Ostwald ripening theory. Acta Metallugrica, 30:1079-1086.

[7] Wagner, C., 1961. Theorie dealtering von Niederschlägen durch umlösen. Berichte der Bunsengesellschaft für Physikalische Chemie, 65:581-591.

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xuewei zhao@zzuli<zhao_xuewei30@yahoo.com.cn>

2010-10-18 08:24:41

good paper

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