In this study, Sayong ball clay was used as a main material for the fabrication of low-cost ceramic membranes. A micro-filtration ceramic membrane was fabricated from a mixture of Sayong ball clay and starch. Starch with 30 wt% was added to the ball clay to act as a pore former. The effect of compaction pressures and sintering temperature on the properties of the membrane was studied. Compaction pressures of 50 and 200 MPa and sintering temperatures ranging from 900 to 1100 ℃ were chosen. It was found that the apparent porosity and shrinkage reduced, while the bulk density and strength increased when the compaction pressure increased. On the other hand, the apparent porosity decreased when the sintering temperature increased, while the bulk density, shrinkage, and strength increased when the sintering temperature is increased. The compaction pressure of 200 MPa and sintering temperature of 1000 ℃ were considered as optimum conditions for the membranes with bulk density of 1.51 g/cm3, apparent porosity of 31%, and flexural strength of 2.3 MPa. The results have shown that Sayong ball clay can be a potential material to formulate low-cost membranes at optimum fabrication parameters.
The Effect of Compaction Pressure and Sintering Temperature on the Properties of Sayong Ball Clay Membranes
Adv Struct Mater
2022-01-10
9 pages
Article/Chapter (Book)
Electronic Resource
English
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