Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/634
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dc.contributorDepartment of Applied Physics-
dc.contributorMaterials Research Centre-
dc.creatorLam, KH-
dc.creatorLin, D-
dc.creatorChan, HLW-
dc.date.accessioned2014-12-11T08:28:18Z-
dc.date.available2014-12-11T08:28:18Z-
dc.identifier.issn0034-6748-
dc.identifier.urihttp://hdl.handle.net/10397/634-
dc.language.isoenen_US
dc.publisherAmerican Institute of Physicsen_US
dc.rights© 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in K.H. Lam, D.M. Lin, and H.L.W. Chan, Rev. Sci. Instrum. 78, 115109 (2007) and may be found at http://link.aip.org/link/?rsi/78/115109.en_US
dc.subjectAcoustic emission testingen_US
dc.subjectAcoustic transducersen_US
dc.subjectCalibrationen_US
dc.subjectCeramicsen_US
dc.subjectElectromechanical effectsen_US
dc.subjectPotassium compoundsen_US
dc.subjectSodium compoundsen_US
dc.titleLead-free acoustic emission sensorsen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: K. H. Lamen_US
dc.description.otherinformationAuthor name used in this publication: D. M. Linen_US
dc.description.otherinformationAuthor name used in this publication: H. L. W. Chanen_US
dc.identifier.spage1-
dc.identifier.epage4-
dc.identifier.volume78-
dcterms.abstractAcoustic emission (AE) sensors have been fabricated using both soft- and hard-type lead-free (Na[sub 0.5]K[sub 0.5])NbO₃-based ceramics. The acoustic and electromechanical properties of the ceramics have been determined using the resonance technique. The lead-free AE sensors were calibrated using a laser source and compared to a commercial sensor. A lead zirconate titanate (PZT) 5H ceramics AE sensor has also been fabricated and calibrated for comparison. It was found that the sensitivity of lead-free AE sensors is comparable to that of the lead-based PZT sensor. To evaluate the sensors for potential application, they have been used in the detection of AE in an impact test. The lead-free sensors can reproduce AE signals accurately without giving artifacts and have potential use in commercial AE systems.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationReview of scientific instruments, 28 Nov. 2007, v. 78, 115109, p. 1-4-
dcterms.isPartOfReview of scientific instruments-
dcterms.issued2007-11-28-
dc.identifier.isiWOS:000251325900051-
dc.identifier.scopus2-s2.0-36749011936-
dc.identifier.eissn1089-7623-
dc.identifier.rosgroupidr35528-
dc.description.ros2007-2008 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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