
Accession Number : AD0649845
Title : THE LINEAR SOLIDIFICATION OF BINARY SOLUTIONS.
Descriptive Note : Technical rept.,
Corporate Author : ARMY MATERIALS RESEARCH AGENCY WATERTOWN MASS
Personal Author(s) : DeLuca,Eugene
Report Date : NOV 1966
Pagination or Media Count : 31
Abstract : The linear solidification of a dilute, binary solution is studied in this work. The results of Neumann and Schwarz on linear solidification of a pure substance are extended to solidification of binary solution. The redistribution of solute which occurs during solidification is given appropriate consideration in the treatment. The existence and extent of a region in the liquid phase wherein solidification is thermodynamically possible (supercooled boundary layer) are examined rigorously in some detail. Solidification of a binary solution from a circular cylindrical boundary and from a spherical boundary is also considered. In each case, the problem is reformulated as a set of integral and integrodifferential equations, and an elementary numerical procedure is outlined for treatment of the transformed problem. (Author)
Descriptors : (*FREEZING, SOLUTIONS(MIXTURES)), (*BOUNDARY VALUE PROBLEMS, FREEZING), LINEAR SYSTEMS, SUPERCOOLING, PARTIAL DIFFERENTIAL EQUATIONS, INTEGRAL EQUATIONS
Subject Categories : Physical Chemistry
Distribution Statement : APPROVED FOR PUBLIC RELEASE