From conventional to severe shot peening to从常规喷丸到严重喷丸 纳米结构表面层的产生 数值研究

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1、IOPConferenceSeries:MaterialsScienceandEngineeringOPENACCESSRelatedcontent-EffectofsurfacenanostructureontensileFromconventionaltosevereshotpeeningtoandlowcyclefatiguebehaviorofAl2014alloygeneratenanostructuredsurfacelayer:AKChattopadhyay,VPandey,NCSSrinivasetal.numericalstudy-Mechanicalnano-

2、structurationofaC45steelunderrepeatednormalimpactsGKermoucheandCLangladeTocitethisarticle:SMHassani-Gangarajetal2014IOPConf.Ser.:Mater.Sci.Eng.63012038-Fatiguepropertiesofabiomedical316LsteelprocessedbysurfacemechanicalattritionZSun,MChemkhi,PKanouteetal.Viewthearticleonlineforupdatesandenhan

3、cements.Recentcitations-SevereshotpeeningofAISI321with1000%and1300%coverages:Acomparativestudyonthesurfacenanocrystallization,phasetransformation,sub-surfacemicrocracks,andmicrohardnessSadeghPour-Alietal-ExperimentalandNumericalAnalysisofMicrostructuresandStressStatesofShot-PeenedGH4169Supera

4、lloysDianyinHuetal-Finiteelementmulti-impactsimulationsusingacrystalplasticitylawbasedondislocationdynamicsThomasRousseauetalThiscontentwasdownloadedfromIPaddress183.158.90.254on06/08/2018at12:226thInternationalConferenceonNanomaterialsbySeverePlasticDeformationIOPPublishingIOPConf.Series:Mat

5、erialsScienceandEngineering63(2014)012038doi:10.1088/1757-899X/63/1/012038Fromconventionaltosevereshotpeeningtogeneratenanostructuredsurfacelayer:AnumericalstudySMHassani-Gangaraj1,2,AMoridi1,2andMGuagliano1DipartimentodiMeccanica,PolitecnicodiMilano,Milan,ItalyDepartmentofMaterialsScienceand

6、Engineering,MassachusettsInstituteofTechnology,Cambridge,USAE-mail:mario.guagliano@polimi.itAbstract.Surfacenanocrystallization(SNC)wasshowntobeaneffectiveapproachtobypassthechallengesofsynthesizingbulknanocrystallinematerial(NC)andyettoharvestitspotentialadvantages.Inthisstudyunusualcoverage

7、(highnumberofimpacts)wassimulatedforairblastshotpeeningprocesstoinduceSNC.Theprocessiscalledsevereshotpeening.Whilethebodyofknowledgeismainlyexperimentalinsimilarprocessessuchasultrasonicshotpeeningorsurfacemechanicalattrition,amulti-scalesch