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Morphology and selection processes in diffusion-controlled growth patterns

✍ Scribed by H. Müller-Krumbhaar; M. Zimmer; T. Ihle; Y. Saito

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
795 KB
Volume
224
Category
Article
ISSN
0378-4371

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✦ Synopsis

The evolution and selection of fractal and compact growth patterns is described. As a particular example the growth of a supercritical nucleus occurring during typical first-order phase transitions and its behaviour at long times and large lengths is discussed. While the generic growth mode is the dendritic growth, we discuss also the recently discovered doublon-growth in two dimensions and the occurrence of fractal growth at low driving forces. Finally numerical and analytical results on the competition of two or more growth patterns along a growth front are presented.

📜 SIMILAR VOLUMES

Diffusion controlled growth of hydrogen
Diffusion controlled growth of hydrogen clusters in metals
✍ B. Nowakowski; H. L. Frisch; Carlos Borzi; Ana Mijovilovich 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 513 KB

## Abstract We show that a simple diffusion controlled growth, with subsequent aggregation, mean field theory accounts numerically for the growth of hydrogen clusters in certain metals (e.g. V, Nb, Zr, etc.). We also calculate the percolation threshold for the formation of an “infinite” aggregate b