Thermal Expansion of HfO2 and ZrO2

被引：123

作者：

Haggerty, Ryan P. ^{[1
]}

Sarin, Pankaj ^{[1
]}

Apostolov, Zlatomir D. ^{[1
]}

Driemeyer, Patrick E. ^{[1
]}

Kriven, Waltraud M. ^{[1
]}

机构：

[1] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2014年 / 97卷 / 07期

基金：

美国国家科学基金会;

关键词：

HIGH-TEMPERATURE; CRYSTAL-STRUCTURE; IN-SITU; HAFNIA; DIFFRACTION; REFINEMENT; SYSTEM;

D O I：

10.1111/jace.12975

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：

The thermal expansion of a low symmetry crystal can be much more interesting than the lattice parameter expansion would suggest. Here, the complete thermal expansion tensors for monoclinic and tetragonal phases of ZrO2 and HfO2 have been measured in air, by high-resolution, high-temperature X-ray diffraction. These results reveal the highly anisotropic nature of thermal expansion in the monoclinic phase as well as a cooperative movement of ions and the existence of a zero thermal expansion plane.

引用

页码：2213 / 2222

页数：10

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