Sintering and Technological Properties of Dry Pressed Ceramic Body Containing Kastamonu Mud and Clay
Avrupa Bilim ve Teknoloji Dergisi Sayı 15, S. 499-504, Mart 2019 © Telif hakkı EJOSAT’a aittir Araştırma Makalesi
www.ejosat.com ISSN:2148-2683
European Journal of Science and Technology No. 15, pp. 499-504, March 2019 Copyright © 2019 EJOSAT Research Article
http://dergipark.gov.tr/ejosat 499
Sintering and Technological Properties of Dry Pressed Ceramic Body Containing Kastamonu Mud and Clay
Nermin Demirkol1* 1 Kocaeli University, Degirmendere Ali Ozbay Vocational School, Ceramic, Glass&Tile Programme, Kocaeli, Turkey (ORCID: 0000-0001-9088-023X)
(İlk Geliş Tarihi 1 Mart 2019 ve Kabul Tarihi 23 Mart 2019) (DOI: 10.31590/ejosat.541163)
ATIF/REFERENCE: Demirkol, N. (2019). Sintering and Technological Properties of Dry Pressed Ceramic Body Containing Kastamonu Mud and Clay. Avrupa Bilim ve Teknoloji Dergisi, (15), 499-504.
Abstract Kastamonu is a city built on the valley of Karacomak River in Turkey. There is a mud which is used inside of the kiln for repairing kiln bricks. In this study, Kastamonu mud (KM) and clay were used in the ceramic recipe as raw materials to produce dry pressed ceramic bodies. Firstly, chemical compositions of used raw materials were determined by using XRF analysis. Ceramic mixture containing Kastamonu mud and clay was prepared. It was mixed for 3 hours. Prepared mixture was dried and granulised by using sieve. Afterthen Kastamonu mud containing 20 wt% and 30 wt% clay were shaped by dry pressing method using metal mold with 45 MPa pressing pressure. The samples were then sintered at 1050, 1100 and 1150 sintering temperatures. Green and sintered density, firing shrinkage and water absorption of samples were determined. Sintered density of the samples were measured by Archimed method. It was concluded that this material with the addition of clay can be used as a new ceramic raw material due to its suitable technological properties at 1150?C sintering temperature. Some coloured glaze recipes were applied on to the Kastamonu mud (KM) containing 20 wt% clay body sintered at 1150°C. Especially, this dry pressed body is suitable for industrial forms with its artistic glazes. Sintering and technological properties such as density, water absorption, firing shrinkage of each body were measured. Scanning electron microscopy (SEM) studies were carried out to analyse the microstructure and to see ceramic body-glaze interactions. The best firing shrinkage, water absorption and density values were obtained with KM 20 samples sintered at 1150°C as 12.9%, 5.2% and 2,57 g/cm3, respectively.
Key Words: Ceramic, Kastamonu Mud, Technological Properties, Sintering, Dry Pressing.
* Corresponding Author: Kocaeli University, Degirmendere Ali Ozbay Vocational School, Ceramic, Glass&Tile Programme, Kocaeli, Turkey, ORCID: 0000-0001-9088-023X, nermin.demirkol@kocaeli.edu.tr
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