Thermal Shock-Resistance Performance of Al2TiO5/Al2O3 Composites

被引：3
|
作者：
Hu, Yong [1 ]
Li, Mingzhong [2 ]
Shen, Qiang [2 ]
Xu, Weiping [1 ]
机构：
[1] Nanchang HangKong Univ, Dept Aeronaut & Mech Technol, Nanchang 330063, Peoples R China
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
来源：
ADVANCED SYNTHESIS AND PROCESSING TECHNOLOGY FOR MATERIALS | 2009年 / 66卷
关键词：
Al2O3; Al2TiO5; composites; thermal shock resistance; ALUMINUM TITANATE CERAMICS;
D O I：
10.4028/www.scientific.net/AMR.66.108
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present paper, Al2TiO5-Al2O3 composites with 10, 20, 40, 60, 80, and 90 Vol % of Al2O3 respectively were prepared by the sintering of Al2TiO5 and Al2O3 powers. The thermal expansion ratio was measured and the quenching-strength method was used to study the thermal shock-resistance performance. The thermal expansion ratio was found to increase from zero for the sample with 10-20Vol.%Al2O3 to that of 0.007% as the content of Al2O3 increased. The results of quenching-strength test showed that the residual strength of Al2TiO5-Al2O3 composites decreased with increasing of Al2O3 content and the thermal shock cycles. The Al2TiO5/Al2O3 composite with 20Vol % Al2O3 remained a strength of 33.4MPa after three cycles and exhibited good thermal shock-resistance performance.
引用
收藏
页码：108 / +
页数：2
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