Cryogenic fracture of cracked piezoelectric ceramics in three-point bending under electric fields

Dynamic Fatigue of Cracked Piezoelectric Ceramics in Three-Point Bending under Electric Fields at Cryogenic Temperatures

“…Therefore, an underst anding of pi ezoelectric fracture and fatigue behavior at cryogenic temperatures is a key issue for the efficient and reliable design of the cryogenic piezoelectric devices. Recently, Shindo and Nari ta 1) conducted an experimental and analytical study of cr yogenic fracture behavior of t he PZT ceram ics under el ectric fields. In t his study, we report numerical and experimental examination of *1 正員，東北大学工学部(〒980-8579 仙台市青葉区荒巻 字青葉 6-6-02 E-mail: narita@material.tohoku.ac.jp the dynamic fatigue in piezoelectric ceramics under electric fields at cryogenic temperatures.…”