Preparation of CaB6 by combustion synthesis

IMR OpenIR

	Preparation of CaB6 by combustion synthesis
其他题名	Preparation of CaB6 by Combustion Synthesis
	Dou ZhiHe; Zhang TingAn; Niu RenTong; Pan Rong
	2008
发表期刊	JOURNAL OF INORGANIC MATERIALS
ISSN	1000-324X
卷号	23 期号:1 页码:150-154
摘要	CaB6 powder was prepared by combustion synthesis with CaO, B2O3 and Mg as reactants. The DTA curves of the different reaction systems were investigated. Combustion products and leached products were characterized by XRD, SEM and particle size distribution techniques. The results indicate that apparent activation energy(E) of the exothermic peak near 872 degrees C for reaction Mg+3B(2)O(3)+CaO=CaB6+10MgO is 15.71kJ-mol(-1) and its reaction order(n) is 1.1. The apparent activation energy is lower, so the reaction occurs easily. Combustion products consist of MgO, CaB6 and a little amount of Mg3B2O6 and Ca3B2O6, and no nitrides form during the combustion process in air. CaB6 powder purity is 92.5% after combustion products are leached with acid. CaB6 particles become finer with the increasing of the preparing sample pressure.
关键词	combustion synthesis CaB6 DTA analysis
收录类别	CSCD
语种	英语
CSCD记录号	CSCD:3209159
引用统计	被引频次：2[CSCD] [CSCD记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/152801
专题	中国科学院金属研究所
作者单位	中国科学院金属研究所
推荐引用方式 GB/T 7714	Dou ZhiHe,Zhang TingAn,Niu RenTong,et al. Preparation of CaB6 by combustion synthesis[J]. JOURNAL OF INORGANIC MATERIALS,2008,23(1):150-154.
APA	Dou ZhiHe,Zhang TingAn,Niu RenTong,&Pan Rong.(2008).Preparation of CaB6 by combustion synthesis.JOURNAL OF INORGANIC MATERIALS,23(1),150-154.
MLA	Dou ZhiHe,et al."Preparation of CaB6 by combustion synthesis".JOURNAL OF INORGANIC MATERIALS 23.1(2008):150-154.