贝氏体离心复合轧辊铸造工艺

15720078SOUTHERNMETALSSum.157August2007:2006-11-24:(1974-),,.:1009-9700(2007)04-0018-03(,512123):,,.,.:;;:TG333.17;TG24:BCastingprocessforbainiticcompositecentrifugalrollYANGZhi2wu(ShaoguanIron&SteelGroupCo.,Ltd.,Shaoguan512123,Guangdong)Abstract:Asdifferentcastingprocessesareusedtofabricatetheworkinglayerandthecoreofabainiticcompositecentrif2ugalroll,therollhasagoodperformance/costratio.Itisoneofthemetallurgicalrollsnowwidelyusedinindustry.Thecastingprocessisimportantinfabricatingahighqualitybainiticcompositecentrifugalroll.Keywords:bainite;compositecentrifugalroll;castingprocess1(1),,,,.,NiCrMo,,,.2:1),(2);2)(3,4).11-;2-;3-©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=29.9G/R[1]:n-(r/min)G-R-(m),,,G70;,,,G120.G=80100.4.2,,L04L04.4.3,,,;91157:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:TTT,T=T+T+T.,,3min.4.5,36h,,.55.1,,[2].,,,.,..,5560.,.,,.567.5.2.5100620075006,,.[1].[M].:,2004.[2].[M].:,1998.02SOUTHERNMETALS20074©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.