Journal
SCIENCE OF SINTERING
Volume 51, Issue 1, Pages 1-13Publisher
INT INST SCIENCE SINTERING (I I S S)
DOI: 10.2298/SOS1901001T
Keywords
Anorthite; Microstructure; Eggshell; Porcelain; Clay bricks
Funding
- Agricultural Research Development Agency or ARDA of the Ministry of Agricultural and Cooperatives [PRP5605010080]
- Conductive and Electroactive Polymers Research Unit of Chulalongkorn University
- Thailand Research Fund (TRF)
- Royal Thai Government
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Fired clay bio-bricks were prepared by adding eggshell as a bio-filler and flux into earthenware clay compounds via an extrusion process. In this study, the suiTab. conditions for clay bricks preparation were firing at 1000 degrees C for a period of 5 h. Adding 20 wt% eggshell powder into the clay brick yielded good physical-mechanical-thermal properties: high compressive strength and hardness, low thermal expansion coefficient, and low water absorption. The measured compressive strength, hardness, and refractory water absorption were 7.0 MPa, 6.0 HV, and less than 15 wt%, respectively. The obtained clay brick with the eggshell powder added as shown here is potential for uses as bricks for construction and thermal insulation.
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