Lowering the sintering temperature for EPD coatings by applying reaction bonding

被引：24

作者：

Baufeld, Bernd ^{[1
]}

van der Biest, Omer ^{[1
]}

Raetzer-Scheibe, Hans Joachim ^{[2
]}

机构：

[1] Katholieke Univ Leuven, B-3001 Louvain, Belgium

[2] German Aerosp Ctr DLR, Inst Mat Res, D-51147 Cologne, Germany

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2008年 / 28卷 / 09期

关键词：

suspension; electrophoretic deposition; porosity-; thermal conductivity; ZrO2;

D O I：

10.1016/j.jeurceramsoc.2007.11.019

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：

Electrophoretic deposition (EPD) allows the fabrication of ceramic coatings, for example of thermal barrier coatings for turbine engines, at lower cost and higher speed than most other deposition techniques. The commonly used sintering temperatures of more than 1200 degrees C however may damage the metal parts and also lead to high production costs. This study Suggests a powder mixture of zirconia and zirconium nitride to lower the sintering temperature, where during sintering in air at 1000 degrees C a homogenous, porous zirconia coating was obtained. The thermal conductivity determined by laser flash experiments proved to be significantly lower than that of conventional thermal barrier coatings. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1793 / 1799

页数：7

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