Application of lead-free piezoelectric ceramics

To meet people's urgent needs of environmental protection piezoelectric ceramics,a comprehensive analysis of various types of lead-free piezoelectric ceramic materials for the study of the structure and properties and applications provide a theoretical basis.Focuses on the cause for concern has been based barium titanate,bismuth layered structure,bismuth sodium titanate,niobate-based lead-free piezoelectric ceramics of Research and applications.In terms of performance,these materials and traditional PZT-based piezoelectric ceramics have their own characteristics.Although the current lead-free piezoelectric ceramics can not completely replace PZT-based piezoelectric ceramics,but their research has made great progress.