TEXTURE AND RECRYSTALLIZATION ON GROUND SURFACES OF HAFNIA

被引：7

作者：

GASDASKA, CJ

WHALEN, PJ

MARTI, J

REIDINGER, F

机构：

[1] Corporate Research and Technology, Allied-Signal, Morristown, New Jersey

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1990年 / 73卷 / 07期

关键词：

ferroelastic materials; grinding; hafnia; recrystallization; texture;

D O I：

10.1111/j.1151-2916.1990.tb05249.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：

The texture in X‐ray diffraction patterns of polycrystalline monoclinic hafnia after surface grinding and annealing was examined and compared to that expected from ferroelastic twinning. The changes in relative peak intensity were consistent with textures expected for twinning. Examination by TEM verified the presence of twins just below the ground surface. At the ground surface, recrystallization was observed at temperatures as low as 450°C. The results support the proposal that similar changes in XRD patterns observed in surface‐ground zirconia materials are due partly to ferroelastic domain switching. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：1941 / 1946

页数：6

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