[1]陈智慧丁建宁,等.( 0.82- x) Bi0?? 5Na0?? 82TiO3- 0??18Bi0?? 5K0?? 18TiO3- xBiFeO3 无铅压电陶瓷的制备及其电学性能的研究[J].常州大学学报(自然科学版),2010,(02):15-19.
　CHEN Zhi- hui,DING Jian- ning,et al.Research on the Preparation and Properties of ( 0?? 82- x) Bi0?? 5Na0?? 82TiO3 - 0?? 18Bi0?? 5K0?? 18TiO3- xBiFeO3 Lead Free Piezoelectric Ceramics[J].Journal of Changzhou University(Natural Science Edition),2010,(02):15-19.
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( 0.82- x) Bi0?? 5Na0?? 82TiO3- 0??18Bi0?? 5K0?? 18TiO3- xBiFeO3 无铅压电陶瓷的制备及其电学性能的研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2010年02期
页码:
15-19
栏目:
材料科学与工程
出版日期:
2010-06-25

文章信息/Info

Title:
Research on the Preparation and Properties of ( 0?? 82- x) Bi0?? 5Na0?? 82TiO3 - 0?? 18Bi0?? 5K0?? 18TiO3- xBiFeO3 Lead Free Piezoelectric Ceramics
作者:
陈智慧1; 2丁建宁1;  2;  3 ;  朱媛媛1;  2
1 常州大学低维材料微纳器件与系统研究中心, 江苏 常州 213164; 2 常州市新能源工程重点实验室, 江苏 常州 213164; 3??江苏大学, 江苏 镇江 212013
Author(s):
CHEN Zhi- hui1;  2 ;  DING Jian- ning 1;  2;  3 ;  ZHU Yuan- yuan1;  2
1. Cent re for Low Dimensional Mater ials, Micro- Nano Devices and System, Changzhou U niversity, Changzhou 213164, China; 2. Key Laboratory of New Energ y Engineering , Chang zhou 213164, China; 3. Jiangsu University, Zhenjiang 212013, China
关键词:
钛酸铋钠- 铁酸铋;  无铅压电陶瓷;  固相法;  介电性能 中图
Keywords:
sodium bismuth t itanate- iron bismuth;  lead free piezoelect ric ceramics;  so lid state sinter ing;  dielect ric property
分类号:
T G 174 ??
文献标志码:
A
摘要:
采用传统的固相烧结法于1 120 ?? 烧结2 h 得到( 0?? 82- x) Bi0??5 Na0?? 82T iO3- 0?? 18Bi 0?? 5 K0?? 18 T iO3- x BiFeO3 ( x = 0?? 01 - 0?? 07) 无铅压电陶瓷, 并对该体系陶瓷的微观结构和电学性能进行了研究。结果表明, BiFeO3 的引入量x 为0?? 01- 0?? 07 时, 样品均为具有MPB 准同型相界( 三方相和四方相共存) 的钙钛矿结构。BiFeO3 的引入使陶瓷的晶粒度略有增加; 当x = 0?? 03 时, 样品达到最大致密度。为97?? 7%; 陶瓷的压电常数d 33 随BiFeO3 的引入而降低。陶瓷的相对介电常数?? r 和居里温度随 BiFeO3 的引入而明显增大, 在x = 0?? 03 时达到最大值。
Abstract:
Lead- f ree piezoelect ric ceramics ( 0?? 82- x ) Bi0?? 5Na0?? 82T iO3- 0?? 18Bi0?? 5 K0?? 18 TiO3- xBiFeO3 ( x = 0?? 01- 0?? 07) w ere prepared by co nvent io nal so lid state sintering at 1 120 ?? for 2 h. T he microst ruct re, dielect ric and piezo electr ic propert ies w ere studied. BN KT - xBiFeO3 ceramics w ere in perovskite str ucture. The mo rphot ro pic phase boundary ( MPB ) betw een rhombo hedr al and tet ragonal locates in the BNKT systems ( x= 0?? 01- 0?? 07) . T he addit io n of BiFeO3 incr eases the g rain size of BN KT, but leads to the decrease o f the piezoelect ric constant d33 . The dielect ric constant ??r and curie temperature increase w ith the addit io n of BiFeO3 , and at tain maximum values at 0?? 03% BiFeO3 ( 0?? 5 kHz) .

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备注/Memo

备注/Memo:
基金项目: 江苏省自然科学基金( SBK200930272) ; ?? 青蓝工程?? ( 2008- 04) ; 江苏省科技支撑计划( BE20080030) ; 常州市工业科技攻关专项( CE2008014) ; 常州市科技平台专项( CM2008301) 作者简介: 陈智慧( 1977- ) , 女, 吉林通化人, 博士。
更新日期/Last Update: 2010-06-25