高效不锈钢焊条工艺性能的研究

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1、STUDYoNTHEUSABILITYoFEFFICIENTSTAINLESSSTEELELECTRoDEAbstractTheutilizationofstainlesssteelelectrodehasbeenbecomingwidespreaddaybydayalongwiththerapiddevelopmentofoarcountry’Seconomy，andthequantityofrequirementincreasesyearly．Itismoreimportantandcomplextoimprovetheusabi

2、lityofstainlesssteelelectrodethanstructuresteelelectrode．Thoughagreatdealofresearchworkhasbeendoneinthetwodecades，theoperationalpropertiessuchasACarcstability,slagdetachabilityandspatterarenotashighasfamousbrandproductsabroad．Inordertogettheusabilityofstainlesssteelelec

3、trodebetter,theinfluencefactors---corewiresandcoatingcomponentshavebeenstudiedinthisP印eLBasedonweldingarcphysicsandmetalmetallurgicaltheory，theheatedphysicalpropertyofcorehasbeenanalyzed．Inordertoovercometheoperationalpropertiesgettingpoorsuchaselectroderearcoatingredan

4、dcrackwhenwelding，thecorewireHOCrl3hasbeenadopted，andthetechnicalplanforalloytransferisthroughthecommonactionofcorewireandcoatingingredients．Inaccordingtothedifferenteffectsofcoatingcomponents，basedonatypicalformula,throughtheinitialevaluationexperimentfortheusabilityof

5、electrode，thesuitablescopeforcoatingcomponentshasbeenfixed，Usingthemethodofmeasuringthelengthofarcbreak，therelationbetweenACarcstabilityandcoatingcomponentsofstainlesssteelelectrodehasbeenstudied．ThemechanismofimprovingtheACarCstabilityhasbeendiscussedbasedonthetheoryan

6、dtheexperimentresults．ThedropletCanbefined，thelengthofarcbreakCanbeincreasedbyadjustingtheproportionoffluoriteandruffle，theproportionoffluoriteandcalcite，andtheproportionoffeldspar,ferrotitaniumandruffle．Themacroscopicfractureobservationandchemicalanalysisforoxidesinsla

7、ghavebeendone．AlsothemicroscopicstructureanalysishasbeendoneusingSEMandchemicaIcompositiononthephaseshasbeendeterminedbyelectronmicroprobeThelaws，inwhichthemacroscopicfractureappearanceofslag，thekindsofoxides，themicroscopicstructureandthephusecompositioninfluencetheslag

8、detachability,beendiscussedcarefulJy．ThetesthasbeendonetostudytherelationbetweencoatingcomponentsandspatterlOS