φ650-φ630軋輥堆焊層強化工藝的研究.pdf

1、東北大學碩士學位論文φ650φ630軋輥堆焊層強化工藝的研究姓名：譚文振申請學位級別：碩士專業(yè)：材料加工工程指導教師：朱伏先2001.9.1●_f_耋蘭當蘭窶土蘭蘭當罌2：：2ABSTRACTTheroller8surfacingtechnologyis毒effectivewaytoc碾downtheconsumptionofroll螅taiserolIingefficiencyloincrease‘thequantitytoimpro

2、vethequailtyofproducts，teducethecostsforrollinghthispapeLthetechnicaldevelopmentofsurthcingforsteelrollerbothdorrmst把andabroadaregivenadetailex#anatWehavetestedfivesurfacingmaterialsandanalyzedintheorythesurfacingtechnol

3、ogyheattreatmentprocedureandthesurfacinglayer’Schemicalcompositionafterbuildupwelding，dilutionrule，microsYracture，hardnesswearingeapachyandmechanicalpFopertythey瓣25Cr，M02MnV2Crl3，30MnSi，65MnandCrMoVNiVT￡Onthe’basisoftheo

4、ryanatys／sandsummaryfollowingcOneIusiogscanbedrown：J)Asthesamcwearingwearingcapacityolivesurfacingmaterialstthightemperatureisj|罩sllikenlis，Cfj唾oVNiVTi25Cr3M02MnV2Crl365Mn30～mSi2)ThemaineffectfactorofthesurfacinglayerWea

5、ringish矗rdncssathightemperatureAsviewedfrommicrostructure，thereishardcarbideinthematrixofcontainingsingles拓婚gthenmicrostructure，nisprofitab)eforwearingcapacity3)Thewiseforweldingshouldcontainthequantitativealloyingelemen

6、t，inthiswaystabilityathightemperatureforthemicrostructureaftersurfacingc8nberaisedtheboihfunclionofsolmionstrengthenedanddislmrsionstrengthenedbeenpos∞ssed41Theroller’5worksxtfaceshouldbethe協(xié)irdlayerofs畦rfacing，51Inthete