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1、 # ( L Z *吴null 浪,滕元成,李玉香,周null 飞( 2 S / v S , 621010)K 1 null null 着重从引入新组元(如BaZrO3aBi0.5 Na0.5 TiO3 等)和采用新的制备技术(如微波烧结a二步烧结a晶粒取向生长技术等)两个方面综述了近期BaTiO3 基压电陶瓷的研发进展,并就 BaTiO3 基压电陶瓷今后的研发提出了几点建议b1 o M null null null # ( L null ? m s | : TM 282null null null null null D S M :ANew Progresses of Study on Ba
2、TiO3nullbased Leadnullfree Piezoelectric CeramicsWU Lang, TENG Yuancheng, LI Yuxiang, ZHOU Fei(School of Material Science and Engineering, Southwest U niversity of Scienceand Technology, Mianyang 621010)Abstractnull null The recent progresses of BaTiO3nullbased ceramics are summarized and reviewed w
3、ith emphases on theintroduction of new component of their compositions and the adoption of special fabrication techniques. The futurework on BaTiO3nullbased leadnullfree piezoelectric ceramics is also suggested.Key wordsnull null barium titanate, leadnullfree piezoelectricceramics, piezoelectric pro
4、pertiesnull * 国家自然科学基金面上资助(10775113);西南科技大学博士研究基金资助( 08zx0112)null 吴浪:男,1981年生,博士,讲师,主要从事压电铁电陶瓷材料研究null Tel:0816null2419201null Enullmail: lang. wu 163. com.0null V ? Z 1 p , ( L # ? Z A t 1 b2006M 7 1 ,x null1 0 ! ! K P t 7 ( RoHS)7S 1450 ! ),O ? b V , 4 ! 9 Z E 7:BZTnullxBCT ( L i B ,N 3 B ) M M (
5、 Z null Z a Z null Z Z null Z M M ) ; Z null Z MPB F s _ s ,P V Z M 001%_ Z M 111% _ ? ,y 7 ? b 4 ? # ( L ? 1 i l b1. 2 null BaTiO3nullBi0. 5A0. 5TiO3 ( L (A a KaNa )null null BT , Zr s | Ti ( L Tc | ,y N ,1 Z BT ( L q S ,4 TcbBi0. 5K0. 5TiO3( BKT) B ABO3 A M 8 , i / Z , (T c 380! )bHiruma Y 16 BT =
6、 F BKT, ! ( 1- x) BaTiO3nullxBi0. 5K0. 5TiO3( BTnullBKT)= ( L ,i BTnullBKT ( L ? b V , 0 x 1H BTnullBKT( L B Z M bV 1 BTnullBKT ( L a ? # bV 1null null K ( L ? 2, 16Table 1 null Piezoelectric anddielectric properties ofBTnullBKT ceramics 2, 16F s d33pC/N kp k33 nullrT c!BT 190 0. 36 0. 49 1900 1200.
7、 8BTnull0. 2BKT 67 - 0. 37 432 2380. 6BTnull0. 4BKT 62 - 0. 37 377 2910. 4BTnull0. 6BKT 60 - 0. 34 409 3270.95BTnull0.05BKT+ 0. 1wt%Mn 100 0. 22 0. 40 779 1680. 8BTnull0.2BKT+ 0. 1 wt%Mn 76 0. 19 0. 37 552 230null null V V 1 V A , BT BKT ,( L T c BKT c 9 F + L 6 , x= 0. 2H , T c r230 ! ; B BT ( L M
8、1 , BTnullBKT ( L ? A ( d33= 60 70pC/N,k33= 0.34 0.37)b 0.8BTnull0.2BKT ( L 0. 1%MnCO3( s )H ,( L ? 4 ( d33= 76pC/ N, k33 = 0. 37, T c= 230 ! ) 2 bV V 1 V A , BKT ( L v ,i BTnullBKT ( L V / bBi0. 5Na0. 5TiO3( BNT)9 B ABO3 A 0 | M 8 ,i / Z , v : ( Pr= 38nullC/ cm2) ( T c= 320 ! )b BT BNT BTnullBNT =
9、( L , 9 V P BT ( L T c 6 b o 17 d ( 1- x) BTnullxBNT( x=0. 01 0. 3) ( L ? b F S = , BNT BT M b x 0. 20H ,(L Z M ; x B 9 v H ,( L M Z M t b BNT c 9 F , T c 112 166 ! W o ; x= 0. 05H , d33r K v 78pC/ N; x= 0. 20H ,( L D ? ( d33 = 56pC/N, nullr = 1086, tan = 0. 037, T c= 146 ! )bBTnullBNT ( L : Pr Ec BNT c 9 F s Y h l 9 v 18bV BaTiO3nullBi0.5A0.5TiO3 ( L V A , BT Bi0.5A0. 5TiO3 ? 4 T c, M ? ( d33 100pC/N) , 1 y V ? Bi0. 5A0. 5TiO3 i A M BT , BanullTiO3nullBi0.5A0.5TiO3 ( L MPBby N , BaTiO3nullBi0. 5A0. 5TiO3 ( L Y V F s e , M M ,P C MPB, 4 8 M ? r o b1.3null BaTiO3nullANbO3 ( L (A
