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TheEffectofTransverseMagneticFieldontheStructureandPropertiesofNickelbaseSuperalloyintheSurfacingProcess

  

  1. (CollegeofVocationalandTechnical,DalianOceanUniversity,Liaoning,Wafangdian116300,China)
  • Online:2013-09-30 Published:2013-09-30

Abstract: Transversemagneticisintroducedintheprocessofplasmaarcsurfacingofnickelbasesuperalloy.Usingthefunctionofmagneticfieldtoenhancethepropertiesofsurfacing.Adjustedtheparametersofmagneticfieldandweldprocedurespecificationinthecourseofsurfacing.Hardnesstesting,weartest,microstructureanalysisforoverlayingunderdifferentparameteraregiven.Theresultshowsthatelectromagneticstirringcanimprovetheshapeanddistributionofhardphaseunderpropermagneticfieldparameters.Italsocanrefineanduniformdegreeofprimarycrystallizationstructure,canreducesensitivityofcrackingandpore.Thepropertiesofoverlaydepositareimprovedwhenthemagneticfieldparametersinanoptimallyvalue.

Key words: transversemagneticfield, surfacing, organizationnickerbasesuperalloy, propertiesofnicketbasesuperalloy

CLC Number: