Funct. Mater. 2016; 23 (3): 414-419.

http://dx.doi.org/10.15407/fm23.03.414

Investigation of effect of viscosity on crystallization ability of spodumene glass-ceramic materials

O.Savvova, O.Babich, G.Shadrina, M.Kuriakin, A.Grivtsova

National Technical University "Kharkiv Polytechnic of Institute", 21 Frunze Str., 61002 Kharkiv, Ukraine

Abstract: 

The influence of viscosity on crystallization ability, which determines strength properties of protective spodumene glass-ceramic materials, has been studied. It has been established that formation of volume-crystallized structure in lithium-aluminosilicate glasses in conditions of two-stage thermal treatment in the viscosity range of 109 Paps allows provision of mechanical properties required to obtain resistance against the action of energy-destructive factors. Obtained results may be used in developing glass-ceramic materials for modern composite armor.

Keywords: 
glass-ceramic materials, viscosity, crystallization ability, spodumene, strength, composite armor.
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