General Aspects of the Crystallization of Glass

Bergeron, C. G.

doi:10.1007/978-1-4757-0328-3_6

Cited by 1 publication

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“…The management of discarded CRTs is therefore becoming an issue of increasing environmental concern [1][2][3][4]. It is estimated that about 85 % of the television or computer kinescope is composed of glass where (65 % of the panel, the funnel 30 and 5 % glass neck) [5]. CRT monitors are constructed with the use of different glass composition in the panel, funnel and neck sections [6].…”

Section: Introductionmentioning

confidence: 99%

Thermal study of the influence of chemical composition on CRT glass crystallization

Kosmal

Reben

Pichniarczyk

2016

J Therm Anal Calorim

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The influence of alumina oxide on the crystallization of silica-strontium-barium glass from cathode ray tube (CRT) was studied by means of thermal analysis. Thermal characteristics of glasses such as the transition temperature T g , the crystallization temperature T c and thermal stability parameter were determined by DTA/DSC method. The crystallization ability of the obtained glasses was also determined independently by the gradient furnace technique. The crystalline phase was determined by the X-ray diffractometry. The microstructure of the samples was studied by SEM technique. The linear expansion coefficients of glasses as a function of temperature were measured. Analysis of the local atomic interactions in the structure of glasses was used to explain the course of the crystallization. The effect of Al 2 O 3 content on the CRT glass composition was studied by FTIR and solid-state 19 F MAS-NMR spectroscopy.

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