Effect of Low Temperature Sintering on the Porosity and Microstructure of Porous Zeolite Ceramic

Sri Mulyo Bondan Respati, Sri and Rudy Soenoko, Rudy and Yudy Surya Irawan, Yudy and Wahyono Suprapto, Wahyono (2016) Effect of Low Temperature Sintering on the Porosity and Microstructure of Porous Zeolite Ceramic. Trans Tech Publications, 836. pp. 219-223. ISSN 1662-7482

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Abstract

Manufacturing a porous ceramic specimen from natural zeolite materials mined in Malang, Indonesia was conducted by using a low temperature sintering. In this study, a porous ceramic property with rectangular shaped and a prism shaped fillets at each end were sintered at 800-900°C and finally were investigated. Density and porosity measurements were performed using Archimedes method. The microstructure photos were used to measure the neck diameter and the contact angle between the two grains particles and two-dimensional porosity. The result of the zeolite ceramic measurement shows that the higher the sintering temperature the higher the density value and the smaller the open porosity. While from the microstructure photo it is shown that the neck diameter was larger the contact angle was wider. This phenomenon was happened because of the flux diffusion on the grain boundaries. This diffusion flow condition would influence the specimen surface, volume and grain boundary so that the porous ceramic density increases.

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