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Power Generation Using Piezoelectric Ceramics
Many different parts and products manufactured or supplied by APCI can be utilized in energy harvesting products. With respect to energy harvesting, APCI functions as a source for OEM's designing energy harvesting products that need piezo elements or devices to complement their electronic design. At this time, applications requiring 1 Watt or less may be practical candidates for the use of energy harvesting using piezo materials. Contact representatives at APCI to explore possibilities for your application. Elements and devices to consider in energy harvesting:
Stack Actuator Catalog of Technical Specifications
Low Voltage Stack Actuator Catalog - One actuator strongly recommended for energy harvesting applications is Pst 50/5x5/2. Review page 26 for specifications.
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 Current Listing: PMN-PT Clearance selection!!
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When should you use hard PZT?
Hard ceramics have characteristics generally opposite those of soft ceramics, including Curie points above 300°C, small piezoelectric charge constants, large electromechanical coupling factors, and large mechanical quality factors. They also are more difficult to polarize or depolarize. Although hard ceramics generally are more stable than soft ceramics, they cannot produce the same large displacements. Hard ceramics are compatible with high mechanical loads and high voltages.Be aware, however, that a soft ceramic can be prepared to exhibit some characteristics approaching those of a hard ceramic, or vice versa. Thus, when choosing a ceramic for a particular application, it can be useful to look beyond general categorization, and carefully compare specific characteristics. | | An example of a small portable ultrasonic cleaning unit |
Some Typical Applications:- Ultrasonic cleaners
- Ultrasonic atomizers
- Transformers
- Underwater echo sounders
- High power actuators
- Vibratory motors
- Ultrasonic surgery
- Sonochemistry
Review basic piezoelectric material information
Explore specific properties of APC International materials
Contact an APC International representative
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Upcoming Events
 Electronic Materials and Applications 2011 When: January 19-21, 2011
 40th Annual Ultrasonic Industry Association Symposium
When: May 23-25, 2011Where: Glasgow, Scotland, UK
This workshop provides a forum for the discussion of state-of-the-art materials and devices to generate, detect and suppress sound. Papers will be presented and commercial firms may also display and/or present products. A copy of the call for papers will be posted in on the UIA website later in 2010 - keep an eye out for updates!
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