GLASS-CERAMIC MATERIALS OBTAINED BY RECYCLING GEOTHITE INDUSTRIAL-WASTES

被引：10

作者：

PELINO, M

CANTALINI, C

BOATTINI, P

ABBRUZZESE, C

RINCON, JM

HERNANDEZ, JEG

机构：

[1] Dept. of Materials, Università de L Aquila

[2] Società Italiana Vetro, S.I.V., S. Salvo

[3] C.N.R., Istituto Trattamento Minerali, Rome

[4] C.S.I.C., Instituto de Ceramica y Vidrio, Madrid

[5] Dept. Edafologia y Geologia, Universitad de La Laguna

来源：

RESOURCES CONSERVATION AND RECYCLING | 1994年 / 10卷 / 1-2期

关键词：

D O I：

10.1016/0921-3449(94)90050-7

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The aim of this work, (supported by the European Communities under the contract MA2R-CT90-0007) is the recycling of goethite wastes, in combination with raw materials, for producing glass-ceramic (GC) materials with good commercial properties. Four batch compositions were prepared, with an Fe2O3 content ranging from 15 to 25 weight The mixtures were melted at 1400-1450-degrees-C and quenched to obtain the glass (G). The nucleation and crystallization temperatures and the activation energy of the crystallization process were determined by differential thermal analysis (DTA). The G samples were nucleated at 650-700-degrees-C for times ranging from 1 to 4 h and crystallized at 800-900-degrees-C for 1 to 4 h. X-ray diffraction and fluorescence analysis were performed on the G and GC samples and the crystalline phases characterized. The ratio G/GC phases was determined as a function of the thermal treatment temperature and time. The chemical, thermal and mechanical properties of the G and GC were evaluated.

引用

页码：171 / 176

页数：6