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Mechanical Quality Factor of Lead Zirconate Titanate/Epoxy Composites

Published online by Cambridge University Press:  01 February 2011

K.C. Cheng ,
H.L.W. Chan ,
S.W. Or  and
C.L. Choy
K.C. Cheng
Affiliation:
Department of Applied Physics and Material Research Centre, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR CHINA.
H.L.W. Chan
Affiliation:
Department of Applied Physics and Material Research Centre, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR CHINA.
S.W. Or
Affiliation:
Department of Applied Physics and Material Research Centre, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR CHINA.
C.L. Choy
Affiliation:
Department of Applied Physics and Material Research Centre, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR CHINA.
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Abstract

The mechanical quality factor Qm of 1–3 piezoelectric lead zirconate titanate/epoxy composites with ceramic volume fractions φ ranging from 0.18 to 0.82 has been measured. This range of φ is wider than those previously investigated by other workers. The width-to-thickness ratio of the ceramic phase is sufficiently small that there are no significant mode couplings. The observed Qm agrees well with the prediction of the parallel model. It is found that Qm increases from 34 to 100 as φ changes from 0 to 0.82 and then increases sharply to reach a high value of 600 at φ = 1. Therefore Qm can be tailored to give a wide range of values by varying φ.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 628: Symposium CC – Hybrid Organic/Inorganic Materials , 2000 , CC6.38
Copyright
Copyright © Materials Research Society 2000

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References

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