Theory for growth of needle-shaped particles in multicomponent systems

Rivera-Díaz-Del-Castillo, P. E.J. and Bhadeshia, H. K.D.H. (2002) Theory for growth of needle-shaped particles in multicomponent systems. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 33 (4). pp. 1075-1081. ISSN 1073-5623

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Abstract

A solution is presented for the growth of needle-shaped particles (paraboloids of revolution) in multicomponent systems that obey Henry's law. Interface kinetics and capillarity effects are incorporated, and it is demonstrated that the maximum velocity hypothesis cannot be sustained if it is assumed that there is local equilibrium at the interface. The particle is unable to grow with equilibrium for small supersaturations when capillarity effects are prominent and for large supersaturations when the interface kinetics effect is large. A method to obtain the lengthening rate and tip radius is provided.

Item Type:
Journal Article
Journal or Publication Title:
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2500/2506
Subjects:
?? CONDENSED MATTER PHYSICSMECHANICS OF MATERIALSMETALS AND ALLOYS ??
ID Code:
125483
Deposited By:
Deposited On:
24 May 2018 13:42
Refereed?:
Yes
Published?:
Published
Last Modified:
21 Sep 2023 02:24