奥氏体不锈钢焊接接头的晶间腐蚀

,,,(,467013):,,:;;;:TG44117:B:100320794(2008)0120096203ErosionBetweenCrystalLatticeofAusteniticStainlessSteelWeldingJointLIUShu-li,GAOYa-ping,ZHENGHe-ping,LiChun-ping(TianzhuangCoalPreparationPlantPingdingshanTiananCoalCo.Ltd.,Pingdingshan467013,China)Abstract:Introducedaerosivetypeofausteniticstainlesssteelweldingjoint.Analysisedthegeneratingmecha2nismoferosionbetweencrystallatticeofausteniticstainlesssteelweldingjoint.Representthemethodstopre2ventandremovetheerosionbetweencrystallatticeofausteniticstainlesssteelweldingjointandthetechnicalmeasurethatshouldadoptwhenweldausteniticstainlesssteelwithmanualwelding.Keywords:weldbond;erosionbetweencrystallattice;areawithlowdensitychromium;quarter-phasedor2ganization03:,,,,,,,,,,,,3:,,,,,119,,,,3Cr131P3,,:[1],,.[J].,2003(9):68-69.[2].[J].,2002(6):111-113.[3].[J].,2003(11):95-96.[4].2Cr13[J].,2002(5):38-39.[5],.[J].,2003(5):53-54.:(1962-),,,,1986,,8,:[e-mail].:20072082086929120081CoalMineMachineryVol129No11Jan.200812%,()()12%,,,,0.02%0.03%(),0.02%0.03%(),,,,(CrFe)23C8,,,,12%(),2(1),1450850,450,,850,,,450850,(),650,11,t1tu,,;,t1tu,1,,,,,,,(2),,,,0.08%(3)TiNb,,,TiNb,1Cr18Ni9Ti1Cr18Ni11NbA132()(4),10501100,,,,,,(5),850900,2h,,12%(),,(6),,,::NiNCuCoCMn:CrNbTiSiVMo1.8,,,79291,Vol129No111Cr18Ni9Ti,A132,TiNb,,,1Cr18Ni9Ti,A132,3,,,,,,,,2030mm,,,,,,4,,,20%,2530,,,,,3,,60,,,,450850,,21,121,,2,,,1,4,,,,:[1].[M].:,1990.[2].500[M].:,1997.[3].[M].:,2000.:(1974-),,,,1996,,:0375-2740405.:200720920220061,1198028,1,2008291980121198116219821631983164198416519851661986167198716819881691989112101990112111991161219921613199316141994161519951616199616171997161819981121919991122020001122120011122220021122320031122420041122520051122620061122720071122820081122989Vol129No11,291