Study for multilayer piezoelectric composite structure as displacement actuator by Moire interferometry and infrared thermography experiments

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dc.contributor.authorQiu, Wei
dc.contributor.authorKang, Yi Lan
dc.contributor.authorQin, Qing Hua
dc.contributor.authorSun, Qing-Chi
dc.contributor.authorXu, Fang-Yu
dc.date.accessioned2015-12-10T22:32:23Z
dc.date.issued2007
dc.date.updated2015-12-09T10:16:03Z
dc.description.abstractMultilayer piezoelectric structures are widely applied as a smart structure in precise apparatus. When the structure is in service, fractures often occur near the internal electrode layers. To analyze this issue, a multilayer piezoceramic structure used as displacement actuator is investigated both experimentally and numerically in this paper. Through Moiré interferometry experiment, the plane displacement distribution of the structure is obtained, which is holistically consistent with and locally more acute than the one obtained from finite element simulation. This displacement field shows there is considerable non-uniform deformation in the structure, which is caused by electric field concentration near the edge of the internal electrode, and consequently induces serious stress concentration there that may finally lead to significant damage or failure of the structure in its working environment. Furthermore, the thermal phenomena in piezoelectric structures were measured experimentally by applying infrared thermography. The thermo-concentration around interface crack and inside internal microdefects may intensify non-uniform stress distribution and make structure more vulnerable in its working environment. Hence it should be taken into account in the investigation of piezoelectric structures henceforth.
dc.identifier.issn0921-5093
dc.identifier.urihttp://hdl.handle.net/1885/55740
dc.publisherElsevier
dc.sourceMaterials Science and Engineering A
dc.subjectKeywords: Composite structures; Computer simulation; Cracks; Defect structures; Deformation; Failure (mechanical); Finite element method; Intelligent structures; Interferometry; Piezoelectric actuators; Stress concentration; Thermography (imaging); Finite element s Infrared thermography; Moiré interferometry; Multilayer piezoelectric structure
dc.titleStudy for multilayer piezoelectric composite structure as displacement actuator by Moire interferometry and infrared thermography experiments
dc.typeJournal article
local.bibliographicCitation.lastpage234
local.bibliographicCitation.startpage228
local.contributor.affiliationQiu, Wei, Tianjin University
local.contributor.affiliationKang, Yi Lan, Tianjin University
local.contributor.affiliationQin, Qing Hua, College of Engineering and Computer Science, ANU
local.contributor.affiliationSun, Qing-Chi, Tianjin University
local.contributor.affiliationXu, Fang-Yu, Tianjin University
local.contributor.authoremailu4119044@anu.edu.au
local.contributor.authoruidQin, Qing Hua, u4119044
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor091202 - Composite and Hybrid Materials
local.identifier.absseo860304 - Prepared Animal Feed
local.identifier.ariespublicationu4251866xPUB338
local.identifier.citationvolume452-453
local.identifier.doi10.1016/j.msea.2006.10.165
local.identifier.scopusID2-s2.0-33847318673
local.identifier.uidSubmittedByu4251866
local.type.statusPublished Version

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