COMBUSTION SYNTHESIS OF YTTRIA

被引:95
作者
EKAMBARAM, S
PATIL, KC
机构
[1] Department of Inorganic and Physical Chemistry, Indian Institute of Science
关键词
D O I
10.1039/jm9950500905
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Fine-particle, sinter-active yttria has been prepared by combustion of a redox compound, Y(N2H3COO)(3) . 3H(2)O and mixtures of Y(N2H3COO)(3) . 3H(2)O-NH4NO3 or NH4ClO4 as well as yttrium nitrate and hydrazine-based fuels. The fine-particle nature of the combustion-derived yttria has been investigated using powder density, particle size and BET surface area measurements. The uniaxially, cold-pressed fine-particle yttria when sintered at 1450-1500 degrees C achieved 98% theoretical density and showed a fine-grain (1-2 mu m) microstructure.
引用
收藏
页码:905 / 908
页数:4
相关论文
共 21 条
[1]   CONTROLLED COMBUSTION SYNTHESIS AND PROPERTIES OF FINE-PARTICLE NASICON MATERIALS [J].
DHAS, NA ;
PATIL, KC .
JOURNAL OF MATERIALS CHEMISTRY, 1994, 4 (03) :491-497
[2]  
FURLONG LR, 1966, CERAM B, V45, P1051
[3]  
HOURS T, 1992, AM CERAM SOC BULL, V71, P200
[4]  
KATAYAMA K, 1990, J MATER SCI, V25, P1503
[5]  
Klug HP., 1970, XRAY DIFFRACTION PRO
[6]   MIXED RARE-EARTH-OXIDES AS STARTING MATERIAL FOR THE PREPARATION OF Y2O3EU LAMP PHOSPHOR - CHARACTERIZATION AND USE [J].
MAESTRO, P ;
HUGUENIN, D ;
SEIGNEURIN, A ;
DENEUVE, F ;
LELANN, P ;
BERAR, JF .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1992, 139 (05) :1479-1482
[7]  
MAHESH GV, 1986, P INDIAN AS-CHEM SCI, V97, P117
[8]   INFRARED ABSORPTION STUDY OF METAL OXIDES IN THE LOW FREQUENCY REGION (700-240 CM1) [J].
MCDEVITT, NT ;
BAUN, WL .
SPECTROCHIMICA ACTA, 1964, 20 (05) :799-808
[9]   HIGH-DENSITY YTTRIA FOR PRACTICAL CERAMIC APPLICATIONS [J].
MICHELI, AL ;
DUNGAN, DF ;
MANTESE, JV .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1992, 75 (03) :709-711
[10]  
NIELSEN TH, 1964, J AM CERAM SOC, V256, P47