摘要
OxidemetallurgytechnologyhasbeendevelopedatBaosteelforimprovingtheheataffectedzonetoughnessofsteelplatesforhighheatinputwelding.AfterdeoxidationwithstrongdeoxidizersofMgalloy,thecomplexinclusionscontainingpartsofcompoundsofMgO,Ti2O3,MnO,Al2O3,MnS,CaSandTiNareformed.Thesekindsofinclusionsarebeneficialforpromotingtheformationofintragranularferrite.Aftertwo-electrodevibratoryelectrogasarcweldingwiththeV-typegrooveandahighheatinputof395kJ/cminasinglepass,theformeraustenitegrainisveryfineinsize,withanaveragegrainsizeofonly85μm.Excellentheataffectedzonetoughnessisobtainedforthedevelopedsteelplateswithathicknessupto68mm.
出版日期
2012年03月13日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)