Investigation of the Properties of Alumina-Zirconia Ceramics

被引：0

作者：

Ivashutenko, Alexandr S. ^{[1
]}

Kabyshev, Alexandr V. ^{[1
]}

Martyushev, Nikita V. ^{[1
]}

Vidayev, Igor G. ^{[1
]}

机构：

[1] Tomsk Polytech Univ, Tomsk 634050, Russia

来源：

HIGH TECHNOLOGY: RESEARCH AND APPLICATIONS | 2014年 / 1040卷

关键词：

alumina-zirconia ceramics; dielectric properties; zirconium oxide; corundum; ferroelectric properties; RADIATION; SURFACE; METALS;

D O I：

10.4028/www.scientific.net/AMR.1040.245

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The article focuses on the investigation of the properties of alumina-zirconia ceramics possessing high mechanical characteristics and good conductivity at high temperatures. Measurement results of the dielectric dissipation factor, dielectric constant, electric conductivity when using direct and alternating current for the ceramics samples of 80%(ZrO2-3% Y2O3)-20% Al2O3 composition are presented in the paper. Measurements were conducted simultaneously in the electrostatic field in vacuum while heating the samples to the temperatures ranging from 300 to 1700K. Investigations showed that alumina-zirconia ceramics at high temperatures obtains ferroelectric properties not typical of these structures.

引用

页码：245 / 249

页数：5

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