Effect of additives on properties of aluminium titanate ceramics

被引：32

作者：

Jiang Lan ^{[1
]}

Chen Xiao-yan ^{[2
]}

Han Guo-ming ^{[2
]}

Meng Yu ^{[1
]}

机构：

[1] Northeastern Univ, Sch Met & Mat, Shenyang 110004, Peoples R China

[2] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2011年 / 21卷 / 07期

关键词：

aluminium titanate ceramics; additive; bulk density; mechanical properties; THERMAL-STABILITY; MULLITE; COMPOSITES; SOL;

D O I：

10.1016/S1003-6326(11)60899-6

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The influence of some additives on bulk density, phase composition, mechanical strength and thermal shock resistance of aluminium titanate (AT) ceramics was investigated. AT ceramics with different additives of MgO, SiO(2) and Fe(2)O(3) were prepared by reaction sintering. Properties of AT ceramics were tested by using Archimedes, three-point bending and thermal cycling tests. It was found that additives of MgO, SiO(2) and Fe(2)O(3) or their compound additives are favorable to reduce the porosities of AT, enhance mechanical strength and thermal shock resistance. The role of additives can be rationalized in terms of promotion of sintering process, formation of new phases and influence on lattice constant c of AT ceramics.

引用

页码：1574 / 1579

页数：6

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