The use of a diatomite-kaolin composite coating to design the pore characteristics of a sintered diatomite membrane

被引：18

作者：

Ha, Jang-Hoon ^{[1
]}

Oh, Eunji ^{[1
]}

Song, In-Hyuck ^{[1
]}

机构：

[1] Korea Inst Mat Sci, Powder & Ceram Div, Chang Won 642831, Gyeongnam, South Korea

来源：

CERAMICS INTERNATIONAL | 2014年 / 40卷 / 01期

关键词：

Sintering; Porous materials; Microstructure; GRANULAR CERAMIC FILMS; THERMAL-CONDUCTIVITY; PERFORMANCE; FABRICATION; REMOVAL;

D O I：

10.1016/j.ceramint.2013.07.140

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：

Porous ceramic membranes have lately attracted great interest due to their outstanding thermal and chemical stability. In this paper, we report the results of our efforts to determine whether we could prepare a diatomite kaolin composite coating to be deposited over a sintered diatomite support layer that could reduce the largest pore size of the sintered diatomite membrane while retaining an acceptable level of permeability. We determined under what conditions such a composite coating over a support layer could be prepared without the generation of micro-cracks during drying and sintering. The pore characteristics of the sintered diatomite membranes were studied by scanning electron microscopy and capillary flow porosimetry. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：2221 / 2227

页数：7

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