Templated Grain Growth of <001> Textured PMN-28PT Using SrTiO3 Templates

被引：46

作者：

Brosnan, Kristen H. ^{[1
]}

Poterala, Stephen F. ^{[1
]}

Meyer, Richard J. ^{[2
]}

Misture, Scott ^{[3
]}

Messing, Gary L. ^{[1
]}

机构：

[1] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

[2] Penn State Univ, Appl Res Lab, University Pk, PA 16802 USA

[3] Alfred Univ, Inamori Sch Engn, Alfred, NY 14802 USA

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2009年 / 92卷 / 01期

关键词：

PIEZOELECTRIC PROPERTIES; SINGLE-CRYSTALS; PMN-PT; 0.675PB(MG1/3NB2/3)O-3-0.325PBTIO(3) CERAMICS; PLZT CERAMICS; ATMOSPHERE; ORIENTATION; FABRICATION; TITANATE; STRAIN;

D O I：

10.1111/j.1551-2916.2008.02628.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：

Highly textured PMN-28PT (0.72Pb(Mg1/3Nb2/3)O-3-0.28PbTiO(3)) ceramics were produced by templated grain growth on < 001 > oriented platelet-shaped SrTiO3 template particles with an aspect ratio of 10-15. The templates were aligned in PMN-28PT matrix powder via tape casting and fired in an O-2-PbO atmosphere at 1150 degrees C for up to 15 h. This resulted in textured ceramics with a 40 micrometer grain size and without residual templates. The volume fraction of textured material ( f ) and the orientation parameter (r) were quantified by fitting X-ray diffraction rocking curve data to the March-Dollase equation. Processing conditions were optimized to achieve the best possible values of f and r for the chosen templates and matrix powder. A texture fraction of at least 81 vol% and an orientation parameter of 0.2 were achieved when all random matrix grains were consumed (a perfect textured ceramic would show a texture fraction of 100 vol% and an orientation parameter of 0).

引用

页码：S133 / S139

页数：7

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Templated Grain Growth of &lt;001&gt; Textured PMN-28PT Using SrTiO3 Templates

Templated Grain Growth of <001> Textured PMN-28PT Using SrTiO3 Templates