BaTiO3压电陶瓷的断裂韧性与晶粒尺寸及分布的研究

功能材料, 2010, 41(z2): 343-345.

1.太原理工大学,理学院,山西,太原,030024

2.太原理工大学,理学院,山西,太原,030024

3.太原理工大学,理学院,山西,太原,030024

4.太原理工大学,理学院,山西,太原,030024

The relationship between toughness with grain size and distribution in BaTiO3 piezoelectric ceramic

以压电陶瓷的自增韧作用机理为出发点,综合考虑微裂纹和气孔的双重因素影响,建立了一个断裂韧性与晶粒尺寸及分布的模型.理论分析了BaTiO3压电陶瓷的断裂韧性与晶粒尺寸及分布的关系;并进一步分析了大颗粒加入量对断裂韧性的影响.运用该模型得出的计算结果和实验结果具有很好的一致性.

[1]	曲远方.功能陶瓷材料[M].北京:化学工业出版社,2003:324-331.
[2]	穆柏春.陶瓷材料的强韧性[M].北京:冶金工业出版社,2002:103-122.
[3]	金大重 .压电陶瓷的增韧[D].浙江大学,2002.
[4]	龚江宏.陶瓷材料断裂力学[M].北京:清华大学出版社,2001:138-147.
[5]	Rice R W;Freiman S W;Becher P F .[J].Journal of the American Ceramic Society,1981,64(06):345-354.
[6]	Freiman S W .[J].Ferroelectrics,1990,102:381-390.
[7]	Ling L W;Lian G;Kun G Jing .[J].Journal of Inorganic Materials,2000,15(06):1043-1049.
[8]	Yun D X;Hui W X;Tu L L .[J].Rare Metal Materlals and Engineering,2008,37(01):810-812.
[9]	Rice R W;Pohanka R C .[J].Journal of the American Ceramic Society,1981,64(06):345-354.
[10]	J.Y. Li;H. Dai;X.H. Zhong .Lanthanum zirconate ceramic toughened by BaTiO_3 secondary phase[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(2):406-409.
[11]	Ohji T.;Choa YH.;Niihara K.;Jeong YK. .Strengthening and toughening mechanisms of ceramic nanocomposites[J].Journal of the American Ceramic Society,1998(6):1453-1460.
[12]	Yang JS.;Aizawa T.;Kuwabara M.;Chen XM. .PZT based piezoelectric ceramics with enhanced fracture toughness[J].Solid state ionics,1998(1/4):117-121.

上一张下一张

计量

作者相关

文章评分