Study on the grain growth mechanism of Na0.5Bi0.5TiO3-based lead-free piezoelectric ceramics

Yong Hong Yao; Feng Gao; Rong Zi Hong; Li Hong Cheng; Chang Sheng Tian

Study on the grain growth mechanism of Na_0.5Bi_0.5TiO₃-based lead-free piezoelectric ceramics

Yong Hong Yao, Feng Gao, Rong Zi Hong, Li Hong Cheng, Chang Sheng Tian

School of Materials Sience and Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The grain growth of 0.94Na_0.5Bi_0.5 TiO₃-0.06BaTiO₃ lead-free piezoelectric textured ceramics with the template was studied. The grain growth exponent and apparent activation energy were determined. The mechanism of equiaxial grains in 0.94Na_0.5Bi_0.5 TiO₃-0.06BaTiO₃ textured ceramics was discussed. The result shows that the grain growth mechanism is controlled by phase boundary reaction when the content of template is less than 10%. It changes to grain lattice diffusion when the content template is increased to 15%. The mechanism is controlled by gain boundary diffusion at the content template of 20%. When the content of template is over 20%, it is controlled by phase boundary reaction.

Original language	English
Pages (from-to)	474-476
Number of pages	3
Journal	Yadian Yu Shengguang/Piezoelectrics and Acoustooptics
Volume	30
Issue number	4
State	Published - Aug 2008

Keywords

Apparent activation energy
Grain growth
Lead-free piezoelectric ceramics

Cite this

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title = "Study on the grain growth mechanism of Na0.5Bi0.5TiO3-based lead-free piezoelectric ceramics",

abstract = "The grain growth of 0.94Na0.5Bi0.5 TiO3-0.06BaTiO3 lead-free piezoelectric textured ceramics with the template was studied. The grain growth exponent and apparent activation energy were determined. The mechanism of equiaxial grains in 0.94Na0.5Bi0.5 TiO3-0.06BaTiO3 textured ceramics was discussed. The result shows that the grain growth mechanism is controlled by phase boundary reaction when the content of template is less than 10%. It changes to grain lattice diffusion when the content template is increased to 15%. The mechanism is controlled by gain boundary diffusion at the content template of 20%. When the content of template is over 20%, it is controlled by phase boundary reaction.",

keywords = "Apparent activation energy, Grain growth, Lead-free piezoelectric ceramics",

author = "Yao, {Yong Hong} and Feng Gao and Hong, {Rong Zi} and Cheng, {Li Hong} and Tian, {Chang Sheng}",

year = "2008",

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volume = "30",

pages = "474--476",

journal = "Yadian Yu Shengguang/Piezoelectrics and Acoustooptics",

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number = "4",

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TY - JOUR

T1 - Study on the grain growth mechanism of Na0.5Bi0.5TiO3-based lead-free piezoelectric ceramics

AU - Yao, Yong Hong

AU - Gao, Feng

AU - Hong, Rong Zi

AU - Cheng, Li Hong

AU - Tian, Chang Sheng

PY - 2008/8

Y1 - 2008/8

N2 - The grain growth of 0.94Na0.5Bi0.5 TiO3-0.06BaTiO3 lead-free piezoelectric textured ceramics with the template was studied. The grain growth exponent and apparent activation energy were determined. The mechanism of equiaxial grains in 0.94Na0.5Bi0.5 TiO3-0.06BaTiO3 textured ceramics was discussed. The result shows that the grain growth mechanism is controlled by phase boundary reaction when the content of template is less than 10%. It changes to grain lattice diffusion when the content template is increased to 15%. The mechanism is controlled by gain boundary diffusion at the content template of 20%. When the content of template is over 20%, it is controlled by phase boundary reaction.

AB - The grain growth of 0.94Na0.5Bi0.5 TiO3-0.06BaTiO3 lead-free piezoelectric textured ceramics with the template was studied. The grain growth exponent and apparent activation energy were determined. The mechanism of equiaxial grains in 0.94Na0.5Bi0.5 TiO3-0.06BaTiO3 textured ceramics was discussed. The result shows that the grain growth mechanism is controlled by phase boundary reaction when the content of template is less than 10%. It changes to grain lattice diffusion when the content template is increased to 15%. The mechanism is controlled by gain boundary diffusion at the content template of 20%. When the content of template is over 20%, it is controlled by phase boundary reaction.

KW - Apparent activation energy

KW - Grain growth

KW - Lead-free piezoelectric ceramics

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M3 - 文章

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SN - 1004-2474

VL - 30

SP - 474

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JO - Yadian Yu Shengguang/Piezoelectrics and Acoustooptics

JF - Yadian Yu Shengguang/Piezoelectrics and Acoustooptics

IS - 4

ER -

Study on the grain growth mechanism of Na_0.5Bi_0.5TiO₃-based lead-free piezoelectric ceramics

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