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SALE ITEMS - Low Prices and Ready to Ship !
- Discs, Rings and Plates
- Disc Benders
- Actuators
- Air Transducers
- PMN-PT
Perfect for experimentation, samples, or small projects. Available for QUICK DELIVERY!
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Piezoelectric Constants
What Do Those Subscripts Mean?
A piezoelectric ceramic is anisotropic. Physical constants relate to the direction of the applied mechanical or electric force and the directions perpendicular to the applied force. Each constant generally has two subscripts that indicate the directions of the two related quantities, such as stress (force on the ceramic element / surface area of the element) and strain (change in length of element / original length of element) for elasticity. The direction of positive polarization usually is made to coincide with the Z-axis of a rectangular system of X, Y, and Z axes. Direction X, Y, or Z is represented by the subscript 1, 2, or 3, respectively, and shear about one of these axes is represented by the subscript 4, 5, or 6, respectively. Definitions of the most frequently used constants, and equations for determining and interrelating these constants are summarized here. The piezoelectric charge constant, d, the piezoelectric voltage constant, g, and the permittivity, e, are temperature dependent factors.
Modes of Vibration for Piezo Parts Preview or Order Piezoelectric Ceramics: Principles and Applications on Amazon.com | |
Constants Considered Include:
- Piezoelectric Charge Constant
- Piezoelectric Voltage Constant
- Permittivity
- Elastic Compliance
- Young's Modulus
- Electromechanical Coupling Factor
- Dielectric Dissipation Factor
- Frequency Constant
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Electronic Materials and Applications 2012
When: January 18-20, 2012
Where: DoubleTree by Hilton Orlando at Sea World
Orlando, FL, USA
Event Info: EMA 2012 is designed for materials scientists, engineers, students, researchers and manufacturers with an interest in renewable energy, innovative hybrid and all electric transportation development, electrical ceramics and advanced microelectronics. Review additional event information here !
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SPIE Smart Structures / NDE Exhibition 2012
When: March 11-15, 2012
Where: Town and Country resort and Convention Center, San Diego, California, USA
Event Info: A multidisciplinary forum that seeks to advance research in adaptive structures and mechanisms, smart sensors, NDE, civil infrastructure, aerospace systems, energy harvesting and more.
Learn more about the event!
Review what happened at the exhibition last year.
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Ultrasonic Industry Association 41st Annual Symposium
When: April 16-18, 2012
Where: Mark Hopkins Hotel, San Francisco, CA, USA
Event Info:
This is a well rounded forum for users, manufacturers and researchers to discuss 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.
Additional event information here
Call for Papers - Due Nov 18, 2011
Call for Posters - Due March 16, 2012
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3rd International Symposium: MR-guided Focused Ultrasound 2012
When: October 14-17, 2012
Where: Washington, DC Metro Area, USA
Event Info:
Targeted to scientists, clinicians and others interested in current and future applications of MR-guided focused ultrasound, the conference will offer a multifaceted exploration of this emerging field and feature plenary sessions, panel discussions, poster presentations and technical exhibits.
Symposium topics include:
- MR-guided focused ultrasound technology
- Brain, Prostate, Breast and Liver applications
- Back and neck pain, other applications
- Bone tumors & Uterine fibroids
- Focused ultrasound-mediated drug delivery
- Late-breaking Research
- Accelerating Development & Adoption
Additional event information here
Focused Ultrasound Surgery Foundation
Resources from the 2010 Symposium
Other Related Conferences
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