简介：Inthispaper,Ni-basedalloycompositecoatingreinforcedbyTi(C,N)particleswasfabricatedonthemildsteelthroughlasercladdingtechnology.Themicrostructureoflasercladdinglayerwasanalyzedbymeansofopticalmicroscopy(OM),X-raydiffraction(XRD)andscanningelectronmicroscopy(SEM).ThewearresistancetestofthecoatingwasevaluatedusinganM-2000tester.TheresultsshowedthattheNi-basedcompositecoatinghadanabilityofrapidsolidificationtoformdendriticcrystalsmicrostructureconsistingofTi(C,N)particulatesuniformlydistributedinthematrix.ItwasfoundthatsomeTi(C,N)particlesaresimilartoberoundinshape,andtheothersareirregular.LasercladdinglayerreinforcedbyTi(C,N)particulateswasfoundtopossessgoodwearresistanceproperty.

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