简介:Electro-sparkdepositionhasbeencarriedoutonthe35CrMosteelbyfillingandrestoringthesimulatedslotspecimens,andcontinuoussurfacecoatingwithextralowporositywasobtainedwithproperparameters.Themicrostructuretransformationandinterfacebehaviorofdepositedjointwereobservedandanalyzed.Itshowsthatatransitionregionwith15μmindepthwasobtainedbetweenbasemetalanddepositedmetal,andmetallurgicalbondingwasachievedbetweenrestoredbasemetalanddepositioncoating.
简介:Ti-basedfillermetalsmadebytransientsolidificationandnormalcrystallizationwereselectedforthevacuumbrazingoftheTiAlalloyand42CrMounderdifferentprocessingparameters.Theresultsshowthatthetensilestrengthofthejointoftransientsolidifiedfillermetalishigherthanthatofnormalcrystallizedfillermetalunderthesameprocessingparameters.Bytheanalysisofscanningelectronmicroscope(SEM)andX-raydiffracting(XRD),itisfoundthatthehigherstrengthmaybecausedbythegeneratingofTiAl,TiNiandTiCuattheinterfaceofjointmadebytransientsolidifiedfillermetal.