【英语翻译ThewaveformsofthecurrentsareshowninFig.5.Here,allwaveformswereplottedfromtherawdatawithoutfiltering.Inthisexperiment,themeltingcurrent(ortotalcurrent)isapproximately225ampswhilethebasemetalisapproximately】
英语翻译
ThewaveformsofthecurrentsareshowninFig.5.Here,allwaveformswereplottedfromtherawdatawithoutfiltering.Inthisexperiment,themeltingcurrent(ortotalcurrent)isapproximately225ampswhilethebasemetalisapproximately80amps.Therearenospattersobservedalthoughthebasemetalcurrentisonly80ampsandisnotpulsed.(ConventionalGMAWwouldrequirea225ampsorgreatercontinuousbasemetalcurrentfor1.2mmdiametersteelwiretoproducethespraytransferwhichcaneliminatespatters.)ItisapparentthattheDualBypassGMAWmethodastestedonsteelplatesisfeasible.
TheultimategoalofthisresearchistoprovideanewprocesstoweldtheLANL’saluminumringswithaminimalheatinputwithoutsignificantlycompromisingtheproductivity.Theringcontainsagroovewhichrequiresmachiningtoproduce.Inthispresentstudy,aluminumcylinderswith0.32mm(0.125inch)wallthicknessand16.5mm(6.5inch)ODareusedtoconductexperimentsforprocessandweldingproceduredevelopmentsbeforeactualringsarejoined.