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Functionally graded piezoceramic ultrasonic transducers

DSpace at IIT Bombay

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Title Functionally graded piezoceramic ultrasonic transducers
 
Creator SAMADHIYA, R
MUKHERJEE, A
 
Subject equivalent network representation
thickness vibration modes
piezoelectric plates
parameter
sound
 
Description Ultrasonic piezoelectric transducers that are employed in various applications are desired to produce a broadband frequency spectrum. However, interference from the sympathetic pulses generated by the transducer limits the duration of the waveform to a very short time. This paper discusses grading of the transducer as a means of alleviating the sympathetic pulses. A simple one-dimensional model based on the spectral approach has been presented. The piezoelectric constant e(33) is graded in various manners and their performances are evaluated. The signal qualities are evaluated through their Euclidean distances from the applied voltage pulse. Linearly graded transducers show the best results.
 
Publisher IOP PUBLISHING LTD
 
Date 2011-08-03T18:35:09Z
2011-12-26T12:54:20Z
2011-12-27T05:42:03Z
2011-08-03T18:35:09Z
2011-12-26T12:54:20Z
2011-12-27T05:42:03Z
2006
 
Type Article
 
Identifier SMART MATERIALS & STRUCTURES, 15(6), 1627-1631
0964-1726
http://dx.doi.org/10.1088/0964-1726/15/6/014
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9115
http://hdl.handle.net/10054/9115
 
Language en