Preparation of Al2O3-ZrO2 nanocomposite films by laser chemical vapour deposition

被引：22
|
作者：
Ito, Akihiko [1 ]
You, Yu [1 ]
Ichikawa, Takahiro [2 ]
Tsuda, Keiichi [2 ]
Goto, Takashi [1 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan
[2] Sumitomo Elect Hardmet Co, Itami, Hyogo 6640016, Japan
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2014年 / 34卷 / 01期
关键词：
Al2O3; ZrO2; Laser CVD; Nanocomposite film; SOLID-SOLUTION; ZIRCONIA; ZRO2; CVD; STABILIZATION; MORPHOLOGY; COATINGS; SYSTEM;
D O I：
10.1016/j.jeurceramsoc.2013.07.025
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：
Alumina (Al2O3)-zirconia (ZrO2) nanocomposite films were prepared by laser chemical vapour deposition. alpha-Al2O3-ZrO2 and gamma-Al2O3-t-ZrO2 nanocomposite films were prepared at 1207 and 1000 K, respectively. In the nanocomposite films, 10-nm-wide t-ZrO2 nanodendrites grew inside the alpha- or gamma-Al2O3 columnar grains. The gamma-Al2O3-t-ZrO2 nanocomposite films exhibited high nanoindentation hardness (28.0 GPa) and heat insulation efficiency (4788 J s(-1/2) m(-2) K-1). (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：161 / 165
页数：5
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