Influence of optical performance on chromium melted glass
by Xiaohua Bai
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 10, No. 3/4, 2015

Abstract: The research goal of this paper is to study the factors affecting the optical performance of chromium colour glass. This green-yellow glass is to be produced from the glass raw materials, Na₂O-CaO-SiO₂, as fundamental material with addition of chromium oxide (Cr₂O₃) as colourant. The analysis of spectrum transmittance and chroma index has been carried out on the plates of this green-yellow glass by equipment. Results indicate that the optical performance and chroma index of this green-yellow melted glass are largely dependent on the factors such as concentration of colourants, oxidisability-reducibility of mixed batch and fundamental materials. When the quantity of Cr₂O₃ was in the range from 0.05% to 0.15%, the light transmittance decreased with increasing quantities of Cr₂O₃. When the concentration of carbon dust of mixed batch was decreased, the colouring effects improved.

Online publication date: Sat, 07-Nov-2015

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