| Influence of Kaolinitic Clay on the Physico-Mechanical Properties of Common Clay-Fly Ash Mix
for Building Bricks |
Syamal Ghosh, T. K. Mukhopadhyay, S. Chakrabarti and S. K. Das
Pages : 197-201
DOI :10.1080/0371750X.2006.11012301 |
| Abstract |
| Kaolinitic clays of different varieties were progressively added to a 70 : 30 mix of common clay and fly ash. The improvement in physico-mechanical properties upon heating in the temperature range of 1050° to 1200°C was studied by evaluating their linear shrinkage, water absorption, flexural strength and phase content. Incorporation of clay I produced better ceramic properties than that of clay II. It was observed that incorporation of kaolinitic clay up to 10% of the total batch improved the physico-mechanical properties and beyond this limit the properties, particularly fired strength, remained unchanged or marginally decreased. Microstructural features were also studied using SEM technique. |
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