SYNTHESIS OF YTTRIUM-ALUMINUM-GARNET PRECURSOR POWDERS BY HOMOGENEOUS PRECIPITATION

被引：89

作者：

SORDELET, DJ

AKINC, M

PANCHULA, ML

HAN, Y

HAN, MH

机构：

[1] IOWA STATE UNIV SCI & TECHNOL,DEPT MAT SCI & ENGN,AMES,IA 50011

[2] KOREA INST ENERGY RES,TAEJON,SOUTH KOREA

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 1994年 / 14卷 / 02期

关键词：

Alumina - Chemical analysis - Crystal structure - Crystallization - Grain size and shape - Morphology - Particles (particulate matter) - Precipitation (chemical) - Pyrolysis - Synthesis (chemical) - Urea - Yttrium compounds;

D O I：

10.1016/0955-2219(94)90100-7

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A study was performed to characterize the homogeneous precipitation of yttrium aluminum garnet (YAG) precursor particles by the thermal decomposition of urea in aqueous solutions. Cation concentrations were varied from 0.005 M to 0.30 M. Observation of powder morphology together with chemical analysis suggests a sequential precipitation process with aluminum ions forming a solid phase first. Fine-grained, reactive powders were obtained that crystallized to single-phase YAG upon heating to 850-degrees-C The precipitate was a hydrated basic carbonate.

引用

页码：123 / 130

页数：8

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