Mullite fabrication from natural kaolin and aluminium slag

被引：62

作者：

Chargui, Fouzia ^{[1
,2
]}

Hamidouche, Mohamed ^{[1
,2
]}

Belhouchet, Hocine ^{[3
,4
]}

Jorand, Yves ^{[5
]}

Doufnoune, Rachida ^{[1
,6
]}

Fantozzi, Gilbert ^{[5
]}

机构：

[1] Setif 1 Univ, Emergent Mat Res Unit, Setif 19000, Algeria

[2] Setif 1 Univ, Opt & Precis Mech Inst, Setif 19000, Algeria

[3] Setif 1 Univ, Nonmetall Mat Lab, Opt & Precis Mech Inst, Setif 19000, Algeria

[4] Mohamed Boudiaf Msila Univ, Fac Sci, Phys Dept, Msila 28000, Algeria

[5] Lyon Univ, INSA Lyon, MATEIS Lab, CNRS UMR 5510, F-69621 Villeurbanne, France

[6] Setif 1 Univ, Fac Technol, Proc Engn Dept, Setif 19000, Algeria

来源：

BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO | 2018年 / 57卷 / 04期

关键词：

Mullite; Kaolin; Aluminum slag; Phase transformation; MICROSTRUCTURAL EVOLUTION; PHASE-TRANSFORMATION; POROUS MULLITE; CERAMICS; BOEHMITE; COMPOSITES; MIXTURES; ZIRCON; ELABORATION; BEHAVIOR;

D O I：

10.1016/j.bsecv.2018.01.001

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The structural transformations of kaolin-aluminium slag mixtures during heating were studied using differential thermal analysis (DTA), thermal gravimetric analysis (TGA), Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM). The amount of formed mullite increases with the firing temperature. At 1500 degrees C, the mullitization of the mixture is almost complete. The morphology of the formed mullite is bimodal (primary and secondary phases). The primary mullite, formed from processing of kaolin by the gradual collapse of metakaolin from 990 degrees C, has a shape of elongated crystals. The other hand, the secondary mullite formed by solution-precipitation from the glass phase in the presence of alumina particles has a shape of acicular grains. (C) 2018 SECV. Published by Elsevier Espana, S.L.U.

引用

页码：169 / 177

页数：9

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