Sintering Properties of (KxNa1-x) NbO3 Piezoelectric Ceramics
Both solid-state reaction and hydrothermal method were used to synthesize the powder of (KxNA1-x)NBO3 in this work.The sintering properties of ceramics fabricated from different powders were investigated.The relationship between the account of pva,the density of ceramics and the sintering temperature was discussed.The ceramics was molded and pressed at different pressure.The influence of the pressure on the density of knn ceramics was also investigated,the crystal structure of the obtained powder was investigated by xrd and the microstructure of ceramics was observed by sem.The results show that the powder prepared by hydrothermal method has better sinterability compared to the one prepared by solid-state reaction method,the k content lowers the sinterability of ceramics.The density of ceramics is very sensitive to the sintering temperature.
(K,Na) NbO3 Hydrothermal method Piezoelectric ceramics Lead-free sintering
Zhaolei Meng Kongjun Zhu Jinhao Qiu Chunsheng Zhao
Precision Driving Laboratory,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,P.R.C The Aeronautical Key Laboratory for Smart Materials and Structures,Nanjing University of Aeronautics Precision Driving Laboratory,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,P.R.C
国际会议
南京
英文
28-32
2007-09-09（万方平台首次上网日期，不代表论文的发表时间）