Phase transformation of ZrO2 in MnZn-ferrite under magnetic field

被引：9
|
作者：
Lin, YC
Gan, DS
Shen, PY
机构：
[1] Inst. of Mat. Sci. and Engineering, National Sun Yat-sen University, Kaohsiung
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1996年 / 79卷 / 02期
关键词：
D O I：
10.1111/j.1151-2916.1996.tb08169.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：
This letter reports the effect of an applied magnetic field on the phase transformation of ZrO2 particles in MnZn-Ferrite. Of the 10 wt% ZrO2 in the as-sintered composite, 64% is retained as tetragonal (t-) particles with a critical size of about 2.5 mu m. The t-ZrO2 particles with size between 1.5 and 2.5 mu m are induced to transform to m-ZrO2 under a critical magnetic field (between 40 and 60 kOe), due to the stress induced by the magnetostriction of the ferrite matrix.
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页码：559 / 561
页数：3
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