THEORETICAL PROCESS-DEVELOPMENT FOR FREEZE-DRYING SPRAY-FROZEN AEROSOLS

被引：9

作者：

MCGRATH, PJ ^{[1
]}

LAINE, RM ^{[1
]}

机构：

[1] UNIV WASHINGTON,DEPT MAT SCI & ENGN,SEATTLE,WA 98195

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1992年 / 75卷 / 05期

关键词：

FREEZE-DRYING; AEROSOL; SUPERCONDUCTORS; POWDERS; PROCESSING;

D O I：

10.1111/j.1151-2916.1992.tb05561.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 [材料科学与工程]; 080502 [材料学];

摘要：

Freeze-dry processing was investigated as a means of producing homogeneous multicomponent preceramic powders. A general procedure was developed for synthesizing homogeneous multicomponent powders by spray freezing and subsequent freeze-drying. Uniform particle morphology and high chemical homogeneity were used as criteria for powder quality. Methods of controlling powder morphology and sources of chemical segregation within the powder processing scheme were determined and classical transport phenomena models were constructed in order to define operating parameters required to meet powder quality specifications.

引用

页码：1223 / 1228

页数：6

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