Firing transformations of Tertiary clays used in the manufacturing of ceramic tile bodies

被引：78
作者：
Jordán, MM
Sanfeliu, T
de la Fuente, C
机构：
[1] Dept Agroquim & Medio Ambiente, Appl Mineral Res Grp, Alicante 03202, Spain
[2] Univ Jaume 1, Dept Ciencias Expt, Appl Mineral Res Grp, Castellon De La Plana 12080, Spain
[3] Univ Barcelona, Dept Cristalog Mineral & Depositos Minerales, E-08028 Barcelona, Spain
来源：
APPLIED CLAY SCIENCE | 2001年 / 20卷 / 1-2期
关键词：
raw materials; extrusion; ceramic tiles; X-ray diffraction; neomineralization;
D O I：
10.1016/S0169-1317(00)00044-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The mineralogical trans formations during the firing of six different raw materials used in ceramic tile manufacturing have been studied. Test samples have been prepared by extrusion and fired in the range of 800-1150 degreesC. Analysis of the fired samples was carried out by X-ray diffraction (XRD). The presence of augite, gehlenite, hematite, spinel, wollastonite and abundant vitreous phase showed neomineralization. Mixtures of illitic clays containing abundant CaCO3 form gehlenite, wollastonite and anorthitic plagioclases above 950 degreesC. Samples poor in CaCO3 give a simple mineralogical composition of quartz and hematite. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：87 / 95
页数：9
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