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基于三元复合导电纤维应变传感器的构筑及其性能研究（英文）.docx

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基于三元复合导电纤维应变传感器的构筑及其性能研究（英文） Title:ConstructionandPerformanceStudyofStrainSensorBasedonTernaryCompositeConductiveFiber Abstract: Inrecentyears,thedemandforstrainsensorswithhighsensitivityandexcellentflexibilityhasincreasedsignificantly.Thispaperproposesanovelstrainsensorbasedonternarycompositeconductivefiber.Thesensorisconstructedbyintegratingconductivepolymer,carbonnanotubes,andsilvernanoparticlesintoafibrousmatrix.Theperformanceofthesensor,includingsensitivity,repeatability,andstability,isthoroughlyinvestigated.Theresultsshowthatthedevelopedstrainsensorpossessesoutstandingproperties,makingitapromisingcandidateforvariousapplications. 1.Introduction Strainsensorsplayavitalroleinmanyfields,suchaswearabledevices,robotics,andstructuralhealthmonitoring.Thetraditionalstrainsensorsoftensufferfromlimitedsensitivity,poorflexibility,andlowdurability.Therefore,thereisanurgentneedtodevelopstrainsensorswithimprovedperformance.Ternarycompositeconductivefibershaveshowngreatpotentialinovercomingtheselimitations,exhibitingsuperiorelectricalandmechanicalproperties.Thispaperpresentstheconstructionandperformancestudyofastrainsensorusingternarycompositeconductivefiber. 2.ExperimentalMethods Thestrainsensorisconstructedbyblendingtheconductivepolymer,carbonnanotubes,andsilvernanoparticlesintoafibrousmatrixthroughasimpleandscalableelectrospinningtechnique.Thefabricationprocess,includingmaterialselection,solutionpreparation,electrospinningparameters,andsubstratedeposition,isdetailed. 3.CharacterizationandPerformanceAnalysis Themorphologyoftheternarycompositeconductivefibersisexaminedusingscanningelectronmicroscopy(SEM)toobservetheuniformdistributionandalignmentoftheconductivefillers.Theelectricalconductivityofthefibersismeasuredusingafour-pointprobemethod.Thestrainsensitivityofthesensorisevaluatedbysubjectingittodifferentstrainsusingatensiletestingmachine.Thevoltageresponseisrecorded,andthegaugefactoriscalculatedtodeterminethesensor'ssensitivity.Thecyclictensiletestisconductedtoassessthere