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On solute diffusion in liquid tin

✍ Scribed by Y.P Gupta

Publisher
Elsevier Science
Year
1966
Weight
236 KB
Volume
14
Category
Article
ISSN
0001-6160

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✦ Synopsis

enable the diffusion equation in principle to be solved and the rate of growth of the zone to be calculated.

On the basis of this model, one qualitative observation can be made. If there is a large binding energy between solute atoms and vacancies, the region immediately surrounding the zone since it becomes rapidly depleted in solute atoms will have a low vacancy concentration. Thus, although a large binding energy will enhance the solute diffusively far from the zone, the effect will be much less pronounced near the zone. In other words, the concentration profile should become steeper for a high binding energy.

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