Preparation of PZT Microtubes by Slip Casting on Vermicelli, Followed by In Situ Polymerization

被引：1
|
作者：
Prabhakaran, Kuttan [1 ]
Raghunath, Sooraj [1 ]
Melkeri, Anand [1 ]
Jayasingh, Moses Ebenezer [1 ]
Durgaprasad, Chadalapaka [1 ]
Gokhale, Nitin Madusudhan [1 ]
机构：
[1] Naval Mat Res Lab, Addl Ambernath 421506, Thane, India
来源：
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2010年 / 7卷 / 03期
关键词：
HOLLOW-FIBER MEMBRANES; FABRICATION;
D O I：
10.1111/j.1744-7402.2009.02361.x
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：
Slip casting of lead zirconate titanate (PZT) slurries of higher solids loading (48.8-51.6 vol%) prepared in a urea-formaldehyde (UF) monomer solution on vermicelli of similar to 1000 mu m diameter has been studied to prepare PZT microtubes with a higher wall thickness (200-960 mu m) in a lower dipping time (0.5-4.0 min) to facilitate faster production and lower failure during drying and vermicelli burnout. Polymerization of the UF monomer by exposing the PZT slurry-coated vermicelli to HCl gas provides good strength and stability to the coating. The dielectric and piezoelectric properties of the microtubes compare well with the properties of PZT-5H ceramic compositions.
引用
收藏
页码：409 / 414
页数：6
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