Gas release during clay firing and evolution of ceramic properties

被引：47

作者：

Toledo, R ^{[1
]}

dos Santos, DR ^{[1
]}

Faria, RT ^{[1
]}

Carrió, JG ^{[1
]}

Auler, LT ^{[1
]}

Vargas, H ^{[1
]}

机构：

[1] Univ Estadual Norte Fluminense, Lab Ciencias Fis, BR-28013600 Campos Dos Goytacazes, RJ, Brazil

来源：

APPLIED CLAY SCIENCE | 2004年 / 27卷 / 3-4期

关键词：

traditional ceramics; firing; x-ray diffraction; porosity; gas emission;

D O I：

10.1016/j.clay.2004.06.001

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：

Gas release, crystalline structure and ceramic properties were analysed during firing of clay raw materials and extruded bricks. Carbon monoxide, carbon dioxide, nitrogen oxides, and methane emissions were measured during the firing cycle. Ammonia and sulphur dioxide were not observed within the detection limits. The evolution of crystalline phases, open porosity, volumetric shrinkage, rupture tension and apparent density were correlated to the amount of gases produced at different temperatures, ranging from 300 to 1200 degreesC. These results can be applied for optimising the production process. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：151 / 157

页数：7

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