Research on self-propagating high temperature synthesis prepared ZrC-ZrB2 composite ceramic

被引：0
|
作者：
Cheng Yong [1 ]
Su Xunjia [1 ]
Hou Genliang [1 ]
Xing YaKun [1 ]
机构：
[1] Second Artillery Engn Coll, Xian 710025, Peoples R China
来源：
12TH INTERNATIONAL SYMPOSIUM ON MULTISCALE, MULTIFUNCTIONAL AND FUNCTIONALLY GRADED MATERIALS (FGM 2012) | 2013年 / 419卷
关键词：
SHS; ZrC-ZrB2; composite ceramic;
D O I：
10.1088/1742-6596/419/1/012057
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZrC-ZrB2 composite ceramic material is prepared by self-propagating high temperature synthesis, using Zr powders, CrO2 powders and Al powders as raw materials. Samples are studied by XRD and SEM, the results show that: ZrC-ZrB2 composite ceramic is attained after self-propagating high-temperature reaction, with Zr+ B4C as the main reactive system, and which is added respectively different content (CrO3 + Al) system. The study finds that the ceramic composite products are mainly composed of ZrC and ZrB2 phase, and other subphase. Compared to the main reactive system composite ceramic, composite ceramic grains grow up obviously, after introduction of the highly exothermic system (CrO3 + Al) in the main reactive system, and with the gradual increase of the content (CrO3 + Al).
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页数：5
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