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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 21  1962
Effects of Fluxing Ingredients on the Properties of Magnesium-~alcium-Alumino Silicate Glasses*
SACHCHIDANANDA KUMAR AND BENOY BHUSHAN NAG
Pages : 107-114
DOI : 10.1080/0371750X.1962.11011995
Abstract
The effects of differf!nt fluxing ingredients on melting characteristics, thermal expansion, DC resistiuit:y and dielectric properties of the glass compositions, MgO 10, GaO 10, Al,Oa 19, SiO, 61% and MgO 18, Al,03 19, SiO, 63% were studied. Li,O is the strongest fluxing ing11edient but it increased expansivity and dielectric loss. Addition of fluorine up to 3% and MnO up to 6% improved meltability without appreciably affecting thermal and electrical properties. B,03, ZnO, BaO and TiO, do not have such beneficia~ effects. Presence of even small amounts of alkalies (less than I%) appreciably increased dielectric loss at h'igh temperatures. Properlies of these glasses compare well with those of some of the common insulating materials.
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