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15220054JournalofAnHuiVocationalCollegeofMetallurgyandTechnologyVol.15.No.2Apr.2005[1][2][3]([1]243000)([2]243000)([3]243000):LFVDRH,:;;:TF769:A:1672-9994(2005)02-0013-04:2005-03-11:(1972-),,,CSPH,2004800t,2003200t,16%40%,,H,,,,,2050,:(),;,,,;,,3,4,42LF;3RH1LF3VD1,1LFVDRH111LFLF:a.,;b.(),;c.ArCa,[S],;d.112VDVD,[H][O][C][N],VD,VODRHVD,VD,,,,VD,,113RHRH,,Ar,,RH:a:([H]2ppm,[O]20ppm,[N]30ppm);b:,;c:;d:2LFVDRH211(1)212(2)213(3)214(4)1LF---RHVD--:;;;-2/%CMnSiAlCrTiLF90948590357096.44080RH-899889954768--VD90941009095608098973()/%CMnSiPSMoCrNiAlLF0.010.020.02-0.0010.040.02-0.005RH0.0010.020.02-0.0005---0.007VD0.010.020.0200.0020.008---0.0054(10-6)[C][S][P][T.O][N][H](10-6)LF-501001001502560508046229396RH201525501002040250.51.5110.5211.5VD-15301001505254060131512683,,311LFLF3,6,CSP(1)1#LF95t,110t,,100t/a1#LF()4.5/min(95t10min)45m3/h(),0.8MPa1.0MPa1m/s5m/s(2)3#LFCSP,200t/a2#LF;3#LF,,CSPQ195Q2350808Al1030#Q345Q460SAPH310SAPH4409CuP09CuPCrNiMRSC05,CSP70%312VDVD1,2,,4120052100t,110t6000mm,6650mm,Max500mm400kg/h(67Pa.20),67Pa,13Pa,5min(167Pa)1#LFVD,LFVD11LFVD313RHRH1,,120t,105t,130t23,19.5min22.5min100tRH2500mm,1700mm,102700mm67Pa,20Pa3.5min(167Pa)7500mm,/:15m/min,1.5m/min1450KTB,,,(4/min),,SRH+LF,,20minLFRH24,,LF+VD,/()VDRH5min10min,VD,5min,4min5minVDRH,2835minVD/,/SomFloraneeVD12t,42%(IF),51%();Nucor20044VDCSPIF2RHCSP,,CSPIF,VD,RHRH,,,RHVD,,RHRHRH-OBRH-KTBRH-PBRH-PTB,ThyssenRHIF199780t50tRH,30t/minRH-KTB250t,250t/min2004RH,RHCSP5(1)LFRHVD,,5128:(2)500,,,(3),()[1],.[J]..199912[2].RHVD/VOD[J]..200118DevelopmentofSecondaryRefiningEquipmentofMaSteelLIChaoLIUHuiGUOYuan-youAbstract:IntroducethefunctionofsecondaryrefiningequipmentsuchasLFVDandRH,inthemeantimecomparethesimilaritiesanddifferencesinthisthreeequipments.Thenexpatiateonthedevelop2mentandlevelofMaSteelsexistingsecondaryrefiningequipment.AtlastrecommendationforaccelerateddevelopmentofsecondaryrefiningequipmentofMaSteelisproposedinthispaper.Keywords:secondaryrefiningequipment;development;level(12),,,[1].[J].,2001,22(2):114[2]1[J]1,2001,22(2):7378[3]LiuZ.X.,GuH.C.Failuremodesandmaterialsperfor2manceofrailwaywheelsJournalofmaterialsengineeringandperformance,2000,9(5):580584.[4]13[J]1,1999,36(5),1819[5].(),2000[6]H.K.D.H.Bhadeshia:Bainiteinsteels.secondEdi-tion,2001[7]1[J].,2000,70(2):2132[8]1[J]1,2003,41(6):14[9],1[J]1,1999,34(10),3841,52[10]1DF4[J]1,2001,(2),2425[11],.[J]1,2001,39(2):1922[12]1[J]1,1997,(3),917SummarizeofWheelMaterialResearchonHighSpeedTrainCUIYin-huietc.Abstract:ThisarticleintroducedstudyanddevelopmentofwheelsteelonhighspeedtraininEuropeandJappen,Someresearchachievementsofwheelsteelonhighspeedtraininchinaaresummarized.Theteststeelwithabout0.5%Candasmallamountofmicroalloyedelementhavebettercombinedpropertiesandwithbetterresistanceonfatiguedamagesuchasspalling,suitableforapplicationofwheelsteelonhighspeedtraininChina.Keywords:highspeedtrainwheel;wheelsteel;development;R7steel6120052