Preparation of high solid loading, low viscosity ZrB2-SiC aqueous suspensions using PEI as dispersant

被引：34
|
作者：
He, Rujie [1 ]
Hu, Ping [1 ]
Zhang, Xinghong [1 ]
Han, Wenbo [1 ]
Wei, Chuncheng [1 ]
Hou, Yang [1 ]
机构：
[1] Harbin Inst Technol, Natl Key Lab Sci & Technol Adv Composites Special, Harbin 150001, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2013年 / 39卷 / 03期
基金：
美国国家科学基金会;
关键词：
Suspensions; Composites; Chemical properties; Borides; HIGH TEMPERATURE CERAMICS; ZIRCONIUM DIBORIDE; BEHAVIOR; COMPOSITES; STABILITY; POWDER; SIZE;
D O I：
10.1016/j.ceramint.2012.08.073
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：
PEI was used as dispersant for ZrB2 and SiC powders in water. The dispersion behavior of ZrB2 and SiC in water was studied by zeta potential measurements, particle size distribution measurements and interparticle interaction calculations. Well-dispersed ZrB2 and SiC aqueous suspensions were obtained using 0.6 wt% PEI at pH 6. The rheological behavior of ZrB2-SiC aqueous suspensions was also investigated. Finally, a high solid loading (52 vol%), low viscosity (980 mPa s at 100 s(-1)) ZrB2-SiC aqueous suspension was successfully prepared. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：2267 / 2274
页数：8
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