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Combined Homogeneous and Heterogeneous Crystal Nucleation in Glasses
Author(s) -
WEINBERG MICHAEL C.
Publication year - 1987
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1987.tb05679.x
Subject(s) - nucleation , homogeneous , crystal (programming language) , materials science , saturation (graph theory) , thermodynamics , chemical physics , mineralogy , chemistry , physics , mathematics , combinatorics , computer science , programming language
The temperature dependence of combined homogeneous and heterogeneous crystal nucleation is examined within the framework of the classical theory. It is demonstrated that nucleation can have a local maximum rate at one or two temperatures. The physical parameters which cause large changes in the structure of the nucleation curve are elucidated. Also, the influence of saturation effects on the structure of nucleation curves is illustrated. The utilization of these results for the interpretation of experiments and for the production of controlled crystal nucleation in glass is considered.