Influence of microstructure on the dielectric and piezoelectric properties of lead zirconate titanate-polymer composites

Journal Article · Thu Jun 01 00:00:00 EDT 1989 · Journal of the American Ceramic Society; (United States)

DOI:https://doi.org/10.1111/j.1151-2916.1989.tb06248.x· OSTI ID:6268153

Lee, H G; Kim, H G ^[1]

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1. Korea Advanced Inst. of Science, Seoul (Korea, Republic of). Dept. of Materials Science

Composites with 0-3 connectivity were fabricated from lead zirconate titanate (PZT) and phenolic resin powders. This paper reports on these composites that were investigated for dielectric and piezoelectric properties with variations in active particle density and PZT-polymer interface porosity. The dependence of dielectric and piezoelectric properties on interface porosity is discussed, especially in terms of porosity factors. The dependence of the piezoelectric constant on interface porosity was greater than that of the dielectric constant. The interface pores play the role of a stress buffer. Thus local stress applied on PZT particles in the composites was remarkably diminished. When particle porosity was high, the dependence of the dielectric and piezoelectric constants on interface porosity decreased.

• OSTI ID: 6268153
• Journal Information: Journal of the American Ceramic Society; (United States), Vol. 72:6; ISSN 0002-7820
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
COMPOSITE MATERIALS
MICROSTRUCTURE
POWDERS
PZT
DIELECTRIC PROPERTIES
PIEZOELECTRICITY
POROSITY
CRYSTAL STRUCTURE
ELECTRICAL PROPERTIES
ELECTRICITY
LEAD COMPOUNDS
MATERIALS
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ZIRCONATES
ZIRCONIUM COMPOUNDS
360606* - Other Materials- Physical Properties- (1992-)
360602 - Other Materials- Structure & Phase Studies