Piezoelectric Materials

High Power "Hard" Materials	High power or "hard" ceramics can withstand high levels of electrical excitation and mechanical stress. These materials are suited for high voltage or high power generators and transducers.
DOD STD - 1376A (SH) Type I PZT-4	This material is ideally suited for ultrasonic cleaning, sonar, and other high power acoustic radiation applications. These materials are designated as PZT-4 type materials and are capable of producing large mechanical drive amplitudes while maintaining low mechanical and dielectric losses. In addition, it can be used under both constant and repetitive conditions. Within this group of materials, Morgan Electro Ceramics offer a complete range of eight PZT-4 material types with a variety of permittivity values, coupling, power handling and actuation properties.
DOD STD - 1376A (SH) Type III PZT-8	This material is used in high power applications, even though its piezoelectric activity level is slightly lower than PZT-4 types. With an extremely high mechanical quality and extremely low loss factor, PZT-8 materials have the ultimate power handling capability. Within this group of materials, Morgan Electro Ceramics offer a complete range of eight PZT8 material types with a variety of permittivity values, coupling, power handling and actuation properties.
DOD STD - 1376A (SH) Type IV PC3	This material is a barium titanate ceramic that is still used for a variety of sonar and specialized transducer applications.

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