Solving the problems of growing single crystals in zero gravity conditions

Bol

The authors propose a solution to the problem of the looseness of molten crystalline solutions in space due to the presence of gas inclusions through the targeted use of controlled vertical vibration to draw gas inclusions from the molten crystalline solution to the bottom of a specially designed device, employing a theoretically studied and practically applied process of vibroturbulation. A solution will also be presented to the problem of the emergence of new opportunities for non-gravitational convective processes - Marangoni convection, as well as (in the presence of residual gravity) small thermogravitational processes in space, which prevent the formation of perfectly homogeneous crystals. This solution utilizes controlled vertical vibration of the molten crystalline solution to uniformly mix the upper layer (especially the seed zone) and the walls of the single-crystal growth device, using the same vibroturbulation process.

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Pagina's: 76, Paperback, Sciencia Scripts