Two-Step Sintering of Pristine and Aluminum-Doped Zinc Oxide Ceramics

被引：15

作者：

Zhang, Yulong ^{[1
]}

Yang, Ye ^{[1
]}

Zhang, Xianpeng ^{[1
]}

Wang, Weiyan ^{[1
]}

Cui, Ping ^{[1
]}

Song, Weijie ^{[1
]}

Tan, Ruiqin ^{[2
]}

机构：

[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[2] Ningbo Univ, Sch Informat Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2012年 / 9卷 / 05期

基金：

美国国家科学基金会; 浙江省自然科学基金;

关键词：

CONSTANT GRAIN-SIZE; NANOCRYSTALLINE ZNO; GROWTH; DENSIFICATION; TEMPERATURE; BEHAVIOR; DENSE; MICROSTRUCTURE; DIFFUSION; VARISTOR;

D O I：

10.1111/j.1744-7402.2011.02702.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：

ZnO and Al-doped ZnO ceramics with high density and fine grain size were prepared using a two-step sintering method. ZnO ceramics with a grain size of 1.2 mu m and a density greater than 99% were obtained. The kinetic window for a ZnO nanoparticle TSS process was determined in this study. Dense AZO ceramics with homogeneous Al distribution were obtained using a high sintering temperature (Tst) of 1323K and a low sintering temperature (Tnd) of 1273K. The activation energies for ZnO and AZO nanoparticle grain growth were determined to be 169 +/- 18kJ/mol and 374 +/- 36kJ/mol, respectively.

引用

页码：960 / 967

页数：8

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