Theoretical calculation and analysis of ZrO2 spherical nanometer powders

被引：37

作者：

Chang, Ying ^{[1
]}

Wang, Huihu ^{[2
]}

Zhu, Qinbiao ^{[1
]}

Luo, Ping ^{[2
]}

Dong, Shijie ^{[2
]}

机构：

[1] Hubei Univ Technol, Sch Chem & Environm Engn, Dept Mat, Wuhan 430068, Peoples R China

[2] Hubei Univ Technol, Sch Mech Engn, Wuhan 430068, Peoples R China

来源：

JOURNAL OF ADVANCED CERAMICS | 2013年 / 2卷 / 01期

基金：

中国国家自然科学基金;

关键词：

spherical; zirconia nanometer powders; theoretical calculation; density; SINTERING KINETICS; MICROSTRUCTURE; ZIRCONIA;

D O I：

10.1007/s40145-013-0036-2

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：

ZrO2 spherical nanometer powders containing 3.5 mol% Y2O3 have been prepared via the coupling route of water/oil (W/O) emulsion with dimethyl oxalate homogenous precipitation. ZrO2 powders and their precursor powders have been characterized by XRD, TEM and SEM. According to the XRD result, phase volume fractions of powders were calculated by comparing the peaks' intensities of spectrum. Furthermore, phase crystal lattice constants were obtained using crystal interplanar spacing formula and Bragg equation. With these results, the theoretical density of powders was analyzed. Finally, powders' spherical degree was revealed via the method of comparison between theoretical density and actual density.

引用

页码：21 / 25

页数：5

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