Application of electrophoretic deposition for inner surface coating of porous ceramic tubes

被引：15

作者：

Kreethawate, L. ^{[4
,5
]}

Larpkiattaworn, S. ^{[3
]}

Jiemsirilers, S. ^{[4
,5
]}

Besra, L. ^{[2
]}

Uchikoshi, T. ^{[1
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

[2] Inst Minerals & Mat Technol, Bhubaneswar 751013, Orissa, India

[3] Technopolis, Thailand Inst Sci & Technol Res TISTR, Khlong Luang 12120, Pathumthani, Thailand

[4] Chulalongkorn Univ, Natl Ctr Excellence Petr Petrochem & Adv Mat, Bangkok 10330, Thailand

[5] Chulalongkorn Univ, Res Unit Adv Ceram, Dept Mat Sci, Fac Sci, Bangkok 10330, Thailand

来源：

SURFACE & COATINGS TECHNOLOGY | 2010年 / 205卷 / 07期

基金：

日本学术振兴会;

关键词：

Electrophoretic deposition; Porous ceramic; Alumina; Tube; Polypyrrole; YSZ COMPOSITE SUBSTRATE; ALUMINA CERAMICS; ELECTROLYTE FILM; FABRICATION; REMOVAL; FIBERS;

D O I：

10.1016/j.surfcoat.2010.08.069

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The direct coating of a nano-porous alumina layer on the inner surface of micro-porous alumina tubes was performed by electrophoretic deposition (EPD). A thin layer of polypyrrole (Ppy) was synthesized on the inside wall of the porous tubes by the chemical polymerization of pyrrole (Py) to give the wall electric conduction for the EPD electrode. The bimodal suspension of alumina powders with 0.6 mu m and 30 nm average particle sizes was selected to control the nano-porous structure. The thickness of the coating layer was controlled by altering the applied voltage and deposition time. The interfacial connection of the coated layer and the substrate was observed by SEM before and after sintering. The pore size of the coated layer was characterized by its pore size distribution. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1922 / 1928

页数：7

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