Improved thermal shock resistance of low-carbon Al2O3-C refractories fabricated with C/MgAl2O4 composite powders

被引：32
|
作者：
Lv, Lihua [1 ]
Xiao, Guoqing [2 ]
Ding, Donghai [2 ]
机构：
[1] Shanxi Inst Technol, Dept Civil & Architectural Engn, Yang Quan 045000, Peoples R China
[2] Xian Univ Architecture & Technol, Coll Mat Sci & Engn, Xian 710055, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2021年 / 47卷 / 14期
基金：
中国国家自然科学基金;
关键词：
C/MgAl2O4 composite powders; Low-carbon Al2O3-C refractories; Thermal shock resistance; MGO-C REFRACTORIES; MECHANICAL-PROPERTIES; SPINEL COMPOSITE; GRAPHITE; MICROSTRUCTURE; NANOTUBES; BEHAVIOR;
D O I：
10.1016/j.ceramint.2021.04.023
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 addition of C/MgAl2O4 composite powders can improve the thermal shock resistance of low-carbon Al2O3-C refractories attribute to the formation of microcracks in the agglomerated structure, thus consuming more thermal stress and strain energy. Moreover, C/MgAl2O4 composite powders additive promote the formation of short fibrous ceramic phases in the refractories, which suggest a bridging role in the interior of the refractories and increase its toughness. Furthermore, the C/MgAl2O4 composite powders also result in a remarkable enhancement of the slag corrosion resistance in the refractories.
引用
收藏
页码：20169 / 20177
页数：9
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