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	Electrical and mechanical properties of (1-x)(Bi/sub 1/2/Na/sub 1/2/)Ba/sub 0.088/Sr/sub 0.012/TiO/sub 3-x/ (Bi/sub 1/2/K/sub 1\2/)TiO/sub 3/ lead-free piezoelectric ceramics
	Peng Chun'e ; Zhen Yuhua ; Zhang Yaru ; Li Jinfeng
	2010-10-12 ; 2010-10-12
关键词	Experimental/ barium compounds bismuth compounds dielectric losses ferroelectric Curie temperature fracture toughness permittivity piezoceramics piezoelectricity potassium compounds sodium compounds strontium compounds Vickers hardness/ electrical properties mechanical properties lead-free piezoelectric ceramics bismuth sodium titanate dopants conventional ceramic processing BNT-based ceramics piezoelectric constant dielectric constant dielectric losses electromechanical coupling Curie temperature Vickers hardness fracture toughness frequency 1 kHz temperature 293 K to 298 K (Bi/sub 0.5/Na/sub 0.5/)/sub 0.900/Ba/sub 0.088/Sr/sub 0.012/TiO/sub 3-x/-(Bi/sub 0.5/K/sub 0.5/)TiO/sub 3// A7760 Piezoelectricity and electrostriction A8120L Preparation of ceramics and refractories A7720 Dielectric permittivity A7740 Dielectric loss and relaxation A7780B Ferroelectric transitions and Curie point A6220M Fatigue, brittleness, fracture, and cracks A8140N Fatigue, embrittlement, and fracture B2810F Piezoelectric and ferroelectric materials/ frequency 1.0E+03 Hz temperature 2.93E+02 to 2.98E+02 K/ Bi0.5Na0.5Ba0.088Sr0.012TiO3Bi0.5K0.5TiO3/ss Ba0.088/ss Sr0.012/ss Bi0.5/ss Na0.5/ss K0.5/ss TiO3/ss O3/ss Ba/ss Bi/ss Na/ss Sr/ss Ti/ss K/ss O/ss
中文摘要	Bismuth sodium titanate (Bi/sub 1/2/Na/sub 1/2/)TiO/sub 3/ (BNT) lead-free ceramics containing multiple A-site dopants were synthesized by conventional ceramic processing, and their electrical properties and mechanical properties were investigated to reveal the effects of the multiple A-site dopants on the BNT-based ceramics. In the case of (1-x)(Bi/sub 1/2/Na/sub 1/2/)Ba/sub 0.088/Sr/sub 0.012/TiO/sub 3-x/ (Bi/sub 1/2/K/sub 1\2/)TiO/sub 3/ (x=0-0.14) ceramics, the maximum of the piezoelectric constant d/sub 33/ (168 pC/N) was obtained for the x=0.10 composition. The dielectric constant epsiv /sub 33//sup T// epsiv /sub 0/, loss tangent tan delta and planar electromechanical coupling factor k/sub p/ at 1 kHz and room temperature are 1221, 0.0361 and 0.2281, respectively. The Curie temperature first increases with increasing x value and reaches the maximum value of 300 degrees C at the x=0.12 composition, then decreases with further increasing of the x value. The Vickers hardness and fracture toughness of the ceramic with the composition x=0.1 are about 5.0 GPa and 2.0MPa ldr m/sup 1/2/, respectively, which are higher than those of Pb(Zr,Ti)O/sub 3/ ceramics.
语种	中文
出版者	Chinese Ceramic Society ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78467]
专题	清华大学
推荐引用方式 GB/T 7714	Peng Chun'e,Zhen Yuhua,Zhang Yaru,et al. Electrical and mechanical properties of (1-x)(Bi/sub 1/2/Na/sub 1/2/)Ba/sub 0.088/Sr/sub 0.012/TiO/sub 3-x/ (Bi/sub 1/2/K/sub 1\2/)TiO/sub 3/ lead-free piezoelectric ceramics[J],2010, 2010.
APA	Peng Chun'e,Zhen Yuhua,Zhang Yaru,&Li Jinfeng.(2010).Electrical and mechanical properties of (1-x)(Bi/sub 1/2/Na/sub 1/2/)Ba/sub 0.088/Sr/sub 0.012/TiO/sub 3-x/ (Bi/sub 1/2/K/sub 1\2/)TiO/sub 3/ lead-free piezoelectric ceramics..
MLA	Peng Chun'e,et al."Electrical and mechanical properties of (1-x)(Bi/sub 1/2/Na/sub 1/2/)Ba/sub 0.088/Sr/sub 0.012/TiO/sub 3-x/ (Bi/sub 1/2/K/sub 1\2/)TiO/sub 3/ lead-free piezoelectric ceramics".(2010).

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