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1、霍尔效应法在无损探伤中的应用JournalofTransdueerTeehnology1995(No.2.1995)Thehalleffectmethodisappliedinnon-destructivetestingXieYuanYangKechong(huangshicityhighschool)(huazhonguniversityofscienceandtechnology)Basedontheprincipleofelectromagneticnondestructiveflawdetection,theha
2、llelementisdiscussedtoobtaintheleakagemagneticfieldThecharacteristicsofthechangesignal,thetechnicalmeasuresforimprovingtheprecisionofdetectingflawarediscussed,andtheapplicationexamplesareintroducedintheproject・Keywordshallelementleakagefieldanalysisofnon-destruet
3、ivef1awdetectionengineeringapplicationsAPPlicationofaHallEffeetSensorinNondestrue6veTestingOozeeYllanvaneedTrainingSehoolHuangshiCityYangKechollgDreama:"longstatecapital0,"isanoleInology//1,and1Basedontlinlaidtheprincipleofthenationalpeople，sofficeEAo'Ctn(addAPPl
4、icaplusnofHallelethis11tsinthetestl5disetwhichedandthetechnicalrnbowqiaojin11°CtimprogenerationdTheacetirlearnedoftheblood915sufromted・KeyWOgovernmentHalleenenqintMaglleticpeople,k:,gefield:n:dsound15ndte:lginoe:ingapplication0theintroductionInrecentyears,thehall
5、effecthasbeenusedfornon-destructivetestingmethodsFull,reliable,practical,canrealizethespeedimpactdetectionandbereceivedWidelyusedinequipmentfaultdiagnosisandmaterialdefectdetectionInthe・Inthispaper,thebasicprinciple,testingmethodanditsworkaredoneTheapplicationexa
6、mplesintheprocessareanalyzedandintroduced・Releasedate:1:1im1241basicprinciplesThe1.1hallelementworksThehallelementisafour-terminalelement,whichisarectangleSemiconductorwafercomposition,whichworksbasedonhalleffectShouldbe,whenthehallelementa,thebendpasswiththecons
7、tantcurrentIcAtthetime,themagneticfieldBisappliedperpendiculartoitssurface・，dThecumulativechargeformationispositivewithcontrollingcurrentandmagneticfieldRatioholotenko:(seefigure1),itsrelationshipis:phase2solution:holoeffectisusedinnondestructivetestingAndit'sthe
8、samethingasK,Ic,andBeosIntheformula,Kisthesensitivityofthehallelement;Secondly,BandHallelementmethodtotheAnglebetweenn,inthemagneticcircuit,whenTheinstallation
