{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/43777"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/43777","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Experimental investigation and modeling of the electrostrictive relaxor ferroelectric lead magnesium niobate-lead titinate","abstract":"Fundamental to the design of intelligent material systems and structures are the realization of attributes of the constitutive transducer materials—the sensors and actuators—and the ability to model the characteristics of these transducers. In this thesis, electromechanical behaviors of the electrostrictive relaxor ferroelectric lead magnesium niobate-lead titinate (PMN-PT) are experimentally characterized and phenomenologically modeled. The dependencies of PMN-PT electromechanical transduction on temperature and frequency, characteristics of relaxor ferroelectrics, and on applied direct-current electric field, an attribute of electrostrictors which enables tunable transduction sensitivities, are investigated and modeled with respect to electrical, sensing, and actuation properties. A general procedure for using the developed constitutive models to quantitatively describe the behavior of PMN-PT is introduced for sensing and for the three types of actuation—servo, on/off, and alternating current.","abstract_html":"Fundamental to the design of intelligent material systems and structures are the realization of attributes of the constitutive transducer materials—the sensors and actuators—and the ability to model the characteristics of these transducers. In this thesis, electromechanical behaviors of the electrostrictive relaxor ferroelectric lead magnesium niobate-lead titinate (PMN-PT) are experimentally characterized and phenomenologically modeled. The dependencies of PMN-PT electromechanical transduction on temperature and frequency, characteristics of relaxor ferroelectrics, and on applied direct-current electric field, an attribute of electrostrictors which enables tunable transduction sensitivities, are investigated and modeled with respect to electrical, sensing, and actuation properties. A general procedure for using the developed constitutive models to quantitatively describe the behavior of PMN-PT is introduced for sensing and for the three types of actuation—servo, on/off, and alternating current.","abstract_has_math":false,"creators":["Namboodri, Chettoor G."],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Mechanical Engineering","degree_department":"Mechanical Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1992,"date_issued":"1992","date_published":"1992","updated_at":"2026-07-22T22:19:33Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-07212009-040304"],"render_values":[{"text":"etd-07212009-040304","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/43777","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Mechanical Engineering"]},{"key":"dc:creator","label":"Author","values":["Namboodri, Chettoor G."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:40:38Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:40:38Z","2009-07-21"]},{"key":"dc:date.issued","label":"Date","values":["1992"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-07212009-040304"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/43777"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Fundamental to the design of intelligent material systems and structures are the realization of attributes of the constitutive transducer materials—the sensors and actuators—and the ability to model the characteristics of these transducers. In this thesis, electromechanical behaviors of the electrostrictive relaxor ferroelectric lead magnesium niobate-lead titinate (PMN-PT) are experimentally characterized and phenomenologically modeled. The dependencies of PMN-PT electromechanical transduction on temperature and frequency, characteristics of relaxor ferroelectrics, and on applied direct-current electric field, an attribute of electrostrictors which enables tunable transduction sensitivities, are investigated and modeled with respect to electrical, sensing, and actuation properties. A general procedure for using the developed constitutive models to quantitatively describe the behavior of PMN-PT is introduced for sensing and for the three types of actuation—servo, on/off, and alternating current."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Experimental investigation and modeling of the electrostrictive relaxor ferroelectric lead magnesium niobate-lead titinate"]}]}],"canonical_facts":{"dc:contributor.department":["Mechanical Engineering"],"dc:creator":["Namboodri, Chettoor G."],"dc:date.accessioned":["2014-03-14T21:40:38Z"],"dc:date.available":["2014-03-14T21:40:38Z","2009-07-21"],"dc:date.issued":["1992"],"dc:description.abstract":["Fundamental to the design of intelligent material systems and structures are the realization of attributes of the constitutive transducer materials—the sensors and actuators—and the ability to model the characteristics of these transducers. In this thesis, electromechanical behaviors of the electrostrictive relaxor ferroelectric lead magnesium niobate-lead titinate (PMN-PT) are experimentally characterized and phenomenologically modeled. The dependencies of PMN-PT electromechanical transduction on temperature and frequency, characteristics of relaxor ferroelectrics, and on applied direct-current electric field, an attribute of electrostrictors which enables tunable transduction sensitivities, are investigated and modeled with respect to electrical, sensing, and actuation properties. 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