Temperature Gradient Zone Melting: Approach to Steady State

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Department of Materials Science and Engineering


As a consequence of temperature gradient zone melting a stationary specimen in a temperature gradient should eventually adjust to a steady state concentration profile. Assuming that complications from density differences and thermal diffusion do not arise, the expected steady state concentration profiles have been calculated for a specimen lying across a simple liquids and solidus and for one situated across a peritectic reaction. The consequences of changing system variables and temperatures ranges are demonstrated and estimates made of times needed to approach steady state. It is concluded that TGZM offers a possible means of producing line compounds which are products of peritectic reactions.

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© 1984

Publication Title

Journal of Crystal Growth