扫描电镜对金属材料失效及表面缺陷的研究

20101194、、。、。、、、。、。、、。1。。。、。、～、。～、、。。、、。2、、、、、、。。、、、、。、、、、、、。、。。、、。。264003、EDS。abcd1SEM24。。。3。、、。。。、。。。。。。。、。。。。。。。。。。。4X(EDS)。、。。、、、。、。、。a.A.B.3[7]4Bar=1mmb.2SEM2520101194。5。。、。。[1]．[J]．.200543(6):36.[2]．[M]．1990．[3]．[J].200624(6)44.[4]．()[J].20019.[5]．“”[J].200523.[6]．、[J]19940138.[7]．[J]200735(4):23.[8]．SEM[J]200019(4)∶543.StudyofScanningElectronicMicroscopeonFailureandSurfaceDefectofMetalMaterialsCAOPengSUNLiboSHAOYuehuaYantaiInstituteforQualitySupervisionandInspectionofProd-uctYantai264003ShandongChinaAbstract:Thepaperintroducestheprincipleandcharacteristicsofscanningelectronicmicroscope,illustratesitsapplicationinmetalmate-rialsfailureanalysis,surfacedefectanalysisandapplicationofenergydispersivemicroanalysisEDSinmicrocosmiccomponentsanalysisandexplainsitscontributiontothedevelopmentofmaterialsscience.KeyWords:scanningelectronicmicroscopemetalmaterialsfail-ureanalysissurfacedefectenergydispersivemicroanalysis!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!。。5、±°。。[1].[M]..2003:4~6.[2],,.[J]..2000.3.[3]《》GB/T17172-1997.[4].[M]..2004.7.[5].VisualC++[M]..2002.[6]UngerS.H.PatternDetectionandRecognition[J].ProceedingoftheIRE.1959:1737～1752.[7].———[M]..2003.12.[8],,.PDF417[J]..2003,01:13-15.ResearchoftheTwo-DimensionalBarCodeRecognitionAlgorithmWANGPeilinJinanRailwayInstituteofTechnology,Jinan,250013Abstract:UsedthePDF417forexample,afteranalyzingstructureandcodingprincipleoftwo-dimensionalbarcode,wesetupthesoft-warealgorithmoftwo-dimensionalbarcoderecognition.Theentirerecognitionalgorithmiscomposedofimagepre-processing,imagecor-rectionanddecodingalgorithm.Themethodiseffectivebytheexperi-mentalresults,thesoftwarerecognitionsystemisstable,providesaef-fectivewayfortherecognitionoftwo-dimensionalbarcode.Keywords:Two-DimensionalBarCode,PDF417,ImageRecog-nition,Algorithm926