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dc.contributor.authorBhattacharya, S.
dc.contributor.authorShashikala, H.D.
dc.date.accessioned2020-03-31T08:22:56Z-
dc.date.available2020-03-31T08:22:56Z-
dc.date.issued2019
dc.identifier.citationPhysica B: Condensed Matter, 2019, Vol.571, , pp.76-86en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/10705-
dc.description.abstractBaO-CaO-Al2O3-SiO2 (BCAS) glass and their derivatives have gained extreme importance for their high endurance to elevated temperatures and suitability for various electrochemical applications. Two glass systems, one being 50 mol%[SiO2-B2O3]-xBaO-(45-x)CaO-5Al2O3 with x = 0, 10, 20, 25, 30, 35 and 40 mol%, represented as BCBSA and another without Al2O3 termed as BCBS, synthesized using melt quenching technique are considered here. The authors focus on the thermal and mechanical properties of these glasses. Reducing BaO concentrations improve the coefficient of thermal expansion (CTE/?) and other characteristic temperatures of glasses. Compacted glass pellets made of the water quenched frits show maximum shrinkage at 700 C. Dilatometric analysis were conducted on compacts showing maximum shrinkage. CTE of these pellets are more than the bulk glasses. Glasses with low BaO concentrations exhibit high hardness and Young's modulus. Glasses bearing 20 mol% BaO, or even lesser, meet the thermal and mechanical properties required for high temperature sealants. 2019 Elsevier B.V.en_US
dc.titleEffect of BaO on thermal and mechanical properties of alkaline earth borosilicate glasses with and without Al2O3en_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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