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author:

马娜 (马娜.) [1] | 郑兴华 (郑兴华.) [2] | 汤德平 (汤德平.) [3]

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CQVIP PKU CSCD

Abstract:

采用固相反应法制备了钨青铜结构的(1-x)Sr1.85Ca0.15NaNb5O15-xBiFeO3(SCNN-BFO)陶瓷,研究了BFO含量对该陶瓷显微结构、烧结和介电性能的影响。结果表明:当x≥0.1时,使陶瓷具有最大密度的烧结温度从1 350℃降低到了1 250℃,并且抑制了烧结开裂问题;当x=0.2时,陶瓷中出现了Sr2(FeNb)O6和Bi1.34Fe0.66Nb1.34O6.35杂质相,且二者的含量随BFO含量的增加而增加;x=0.6时,Bi1.34Fe0.66Nb1.34O6.35成为主晶相;x〈0.1时,陶瓷的介电常数和介电损耗均较低;随BFO含量的增加,低频介电常数显著增大,介电损耗出现峰值后减小。

Keyword:

介电性能 烧结性能 钨青铜结构 铁酸铋 铌酸锶钙钠

Community:

  • [ 1 ] 福州大学材料科学与工程学院,福州350108

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Source :

机械工程材料

ISSN: 1000-3738

Year: 2012

Issue: 1

Volume: 36

Page: 68-71

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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