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Strain Transfer for Optimal Performance of Sensing Sheet.

Author(s): Gerber, Matthew; Weaver, Campbell; Aygun, Levent E; Verma, Naveen; Sturm, James C; et al

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dc.contributor.authorGerber, Matthew-
dc.contributor.authorWeaver, Campbell-
dc.contributor.authorAygun, Levent E-
dc.contributor.authorVerma, Naveen-
dc.contributor.authorSturm, James C-
dc.contributor.authorGlišić, Branko-
dc.date.accessioned2020-04-01T13:23:29Z-
dc.date.available2020-04-01T13:23:29Z-
dc.date.issued2018-06-12en_US
dc.identifier.citationGerber, Matthew, Weaver, Campbell, Aygun, Levent E, Verma, Naveen, Sturm, James C, Glišić, Branko. (2018). Strain Transfer for Optimal Performance of Sensing Sheet.. Sensors (Basel, Switzerland), 18 (6), 10.3390/s18061907en_US
dc.identifier.issn1424-8220-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1m213-
dc.description.abstractSensing sheets based on Large Area Electronics (LAE) and Integrated Circuits (ICs) are novel sensors designed to enable reliable early-stage detection of local unusual structural behaviors. Such a device consists of a dense array of strain sensors, patterned onto a flexible polyimide substrate along with associated electronics. Previous tests performed on steel specimens equipped with sensing sheet prototypes and subjected to fatigue cracking pointed to a potential issue: individual sensors that were on or near a crack would immediately be damaged by the crack, thereby rendering them useless in assessing the size of the crack opening or to monitor future crack growth. In these tests, a stiff adhesive was used to bond the sensing sheet prototype to the steel specimen. Such an adhesive provided excellent strain transfer, but it also caused premature failure of individual sensors within the sheet. Therefore, the aim of this paper is to identify an alternative adhesive that survives minor damage, yet provides strain transfer that is sufficient for reliable early-stage crack detection. A sensor sheet prototype is then calibrated for use with the selected adhesive.en_US
dc.languageengen_US
dc.language.isoen_USen_US
dc.relation.ispartofSensors (Basel, Switzerland)en_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleStrain Transfer for Optimal Performance of Sensing Sheet.en_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.3390/s18061907-
dc.identifier.eissn1424-8220-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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