Ghosh, Syamal and Das, Mihir and Chakrabarti, S and Ghatak, Sankar (1999) Studies on the rheological behaviour of acqueous suspensions of pre-fired terrocotta compositions in relation to Newtonian factor 'n'. Transactions of the Indian Ceramic Society, 58 (4). pp. 95-97. ISSN 0371-750X

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Utilization of common clay in admixtures with quartz and fly ash for fabrication of utility goods and art object is widely in practice. However, slip casting of slurries poses several problems in shaping of green bodies. In the present investigation, Newtonianity of the suspensions were evaluated and an attempt has been made to correlate Newtonian factor ‘n’ with the castability of a slip. Different factors affecting ‘n’ are analysed by rheological investigation of the suspensions. It was found that the suspensions were pseudoplastic in nature with a marked tendency towards Newtonian. The castability of the suspensions were explained in terms of Newtonianity (‘n’ values) of the suspensions. The results were utilized for further fabrication of green articles by slip casting.

Item Type: Article
Subjects: Structural Clay Products
Depositing User: Bidhan Chaudhuri
Date Deposited: 21 Jun 2012 10:39
Last Modified: 11 Mar 2014 12:19

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