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Establishing correlations among pore structure, surface roughness, compressive strength, and fracture toughness of ceramic water filters local to Rajasthan, India
Amrita Nighojkar Kaurwar, Ashish Agrawal Kumar, Balwant Singh, Sandeep Gupta, Raj Satankar Kumar, Jerry Oommen Mathew, Lovelesh Dave, Muhammad Sharif, A. Soboyejo B. O.,
Published in DESALINATION PUBL
2019
Volume: 157
   
Pages: 332 - 341
Abstract
This article discusses the characterization of local clay-organic (CO) ceramics used in the microfiltration application in India. Local clay and sawdust were the raw materials for these ceramics. Wet mix with specified volume fractions of these raw materials was hydroplastically formed to square plates, cured, and fired at 850 degrees C. Once fired, these ceramics showed a prominent presence of silica, alumina, and oxides of iron. Quartz, potassium feldspar, and hematite are the major minerals in these ceramics. The dominance of pores orthogonal to the surface was a feature in this family of ceramics. The 50O composition of the CO ceramics is observed to have a maximum frequency of orthogonal pores. Therefore, an example of gravity-based filtration flow models of this material shaped in distinct forms is carried out to enumerate possible scaling. The surface roughness of the cured specimen plate varies linearly with the porosity of the mixture. The compressive strength shows a polynomial increase with an increase in the values of surface roughness. The fracture toughness is a linear function of the surface roughness of these CO ceramics.
About the journal
JournalDESALINATION AND WATER TREATMENT
PublisherDESALINATION PUBL
ISSN1944-3994