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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 44  1985
Studies on the Sinterability of Pure and AI203 Containing Forsterite Prepared from Rice Husk Ash
B. MoNDAL, S. K. SuNDARAM AND A. N. VIRKAR
Pages : 128-131
DOI : 10.1080/0371750X.1985.10822762
Abstract
Forsterite (2Mg0.Si02), a well-known non-feldspathic high frequency insulator (5 MHzs), was prepared by using magnesite/MgC03 and rice husk ash obtained after controlled burning as a source of MgO and Si02 respectively and sintered at 1200,1250 and 1300C for 1, 2, 3 and 4 hrs at each temperature. Effect of minor additive like AI,03 (added up to 5 wt %) on sintering was studied. Data were analysed using the empirical equation D = K log t + C and Arrhenius equation. Addition of 5 wt% Al20 3 has shown higher density (2.5 gm.cm-3) than that of pure forsterite (2.06 gm.cm-3) fired at 1300C for 4 hours.
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