Reaction in the Al-TiO2-CB4 system and in situ synthesis of an Al/(TiC+TiB2+α-Al2O3) composite

被引：7
|
作者：
Wang, ZQ [1 ]
Liu, XF [1 ]
Bian, XF [1 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab Liquid Struct Hered Mat, Jinan 250061, Peoples R China
来源：
ADVANCED ENGINEERING MATERIALS | 2004年 / 6卷 / 12期
关键词：
D O I：
10.1002/adem.200400041
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The reaction process in the Al-TiO2-CB4 system and the successful synthesis of an Al(TiC+TiB2+Al2O 3)composite was demonstrated. An endothermic peak with the maximum at 674.4°C, corresponding to the melting of Al, and two exothermic peaks was observed during heating. An exothermic peak associated with the solidification of Al was present indicating that the new phases formed were thermodynamically stable. The results show that the Al-TiO2-CB 4 mixture can react in the Al matrix to form TiC, TiB2 and α-Al2O3 phases according to 4Al+3TiO 2+CBbb4→TiC+2TiB2+2α-Al 2O3.
引用
收藏
页码：977 / 980
页数：4
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